From 50cb55368083f1fe8f2fb2b39d473132a8da3c7f Mon Sep 17 00:00:00 2001 From: tornadocontrib Date: Mon, 11 Nov 2024 09:54:39 +0000 Subject: [PATCH] Fixed line break on tornadocore --- static/tornado.umd.js | 8232 ++++++++++++++++++++--------------------- 1 file changed, 4116 insertions(+), 4116 deletions(-) diff --git a/static/tornado.umd.js b/static/tornado.umd.js index 76b3f2d..30e3b9f 100644 --- a/static/tornado.umd.js +++ b/static/tornado.umd.js @@ -11112,1455 +11112,1455 @@ function unstringifyBigInts(o) { /***/ ((module, exports, __webpack_require__) => { /* module decorator */ module = __webpack_require__.nmd(module); -var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;var bigInt = (function (undefined) { - "use strict"; - - var BASE = 1e7, - LOG_BASE = 7, - MAX_INT = 9007199254740992, - MAX_INT_ARR = smallToArray(MAX_INT), - DEFAULT_ALPHABET = "0123456789abcdefghijklmnopqrstuvwxyz"; - - var supportsNativeBigInt = typeof BigInt === "function"; - - function Integer(v, radix, alphabet, caseSensitive) { - if (typeof v === "undefined") return Integer[0]; - if (typeof radix !== "undefined") return +radix === 10 && !alphabet ? parseValue(v) : parseBase(v, radix, alphabet, caseSensitive); - return parseValue(v); - } - - function BigInteger(value, sign) { - this.value = value; - this.sign = sign; - this.isSmall = false; - } - BigInteger.prototype = Object.create(Integer.prototype); - - function SmallInteger(value) { - this.value = value; - this.sign = value < 0; - this.isSmall = true; - } - SmallInteger.prototype = Object.create(Integer.prototype); - - function NativeBigInt(value) { - this.value = value; - } - NativeBigInt.prototype = Object.create(Integer.prototype); - - function isPrecise(n) { - return -MAX_INT < n && n < MAX_INT; - } - - function smallToArray(n) { // For performance reasons doesn't reference BASE, need to change this function if BASE changes - if (n < 1e7) - return [n]; - if (n < 1e14) - return [n % 1e7, Math.floor(n / 1e7)]; - return [n % 1e7, Math.floor(n / 1e7) % 1e7, Math.floor(n / 1e14)]; - } - - function arrayToSmall(arr) { // If BASE changes this function may need to change - trim(arr); - var length = arr.length; - if (length < 4 && compareAbs(arr, MAX_INT_ARR) < 0) { - switch (length) { - case 0: return 0; - case 1: return arr[0]; - case 2: return arr[0] + arr[1] * BASE; - default: return arr[0] + (arr[1] + arr[2] * BASE) * BASE; - } - } - return arr; - } - - function trim(v) { - var i = v.length; - while (v[--i] === 0); - v.length = i + 1; - } - - function createArray(length) { // function shamelessly stolen from Yaffle's library https://github.com/Yaffle/BigInteger - var x = new Array(length); - var i = -1; - while (++i < length) { - x[i] = 0; - } - return x; - } - - function truncate(n) { - if (n > 0) return Math.floor(n); - return Math.ceil(n); - } - - function add(a, b) { // assumes a and b are arrays with a.length >= b.length - var l_a = a.length, - l_b = b.length, - r = new Array(l_a), - carry = 0, - base = BASE, - sum, i; - for (i = 0; i < l_b; i++) { - sum = a[i] + b[i] + carry; - carry = sum >= base ? 1 : 0; - r[i] = sum - carry * base; - } - while (i < l_a) { - sum = a[i] + carry; - carry = sum === base ? 1 : 0; - r[i++] = sum - carry * base; - } - if (carry > 0) r.push(carry); - return r; - } - - function addAny(a, b) { - if (a.length >= b.length) return add(a, b); - return add(b, a); - } - - function addSmall(a, carry) { // assumes a is array, carry is number with 0 <= carry < MAX_INT - var l = a.length, - r = new Array(l), - base = BASE, - sum, i; - for (i = 0; i < l; i++) { - sum = a[i] - base + carry; - carry = Math.floor(sum / base); - r[i] = sum - carry * base; - carry += 1; - } - while (carry > 0) { - r[i++] = carry % base; - carry = Math.floor(carry / base); - } - return r; - } - - BigInteger.prototype.add = function (v) { - var n = parseValue(v); - if (this.sign !== n.sign) { - return this.subtract(n.negate()); - } - var a = this.value, b = n.value; - if (n.isSmall) { - return new BigInteger(addSmall(a, Math.abs(b)), this.sign); - } - return new BigInteger(addAny(a, b), this.sign); - }; - BigInteger.prototype.plus = BigInteger.prototype.add; - - SmallInteger.prototype.add = function (v) { - var n = parseValue(v); - var a = this.value; - if (a < 0 !== n.sign) { - return this.subtract(n.negate()); - } - var b = n.value; - if (n.isSmall) { - if (isPrecise(a + b)) return new SmallInteger(a + b); - b = smallToArray(Math.abs(b)); - } - return new BigInteger(addSmall(b, Math.abs(a)), a < 0); - }; - SmallInteger.prototype.plus = SmallInteger.prototype.add; - - NativeBigInt.prototype.add = function (v) { - return new NativeBigInt(this.value + parseValue(v).value); - } - NativeBigInt.prototype.plus = NativeBigInt.prototype.add; - - function subtract(a, b) { // assumes a and b are arrays with a >= b - var a_l = a.length, - b_l = b.length, - r = new Array(a_l), - borrow = 0, - base = BASE, - i, difference; - for (i = 0; i < b_l; i++) { - difference = a[i] - borrow - b[i]; - if (difference < 0) { - difference += base; - borrow = 1; - } else borrow = 0; - r[i] = difference; - } - for (i = b_l; i < a_l; i++) { - difference = a[i] - borrow; - if (difference < 0) difference += base; - else { - r[i++] = difference; - break; - } - r[i] = difference; - } - for (; i < a_l; i++) { - r[i] = a[i]; - } - trim(r); - return r; - } - - function subtractAny(a, b, sign) { - var value; - if (compareAbs(a, b) >= 0) { - value = subtract(a, b); - } else { - value = subtract(b, a); - sign = !sign; - } - value = arrayToSmall(value); - if (typeof value === "number") { - if (sign) value = -value; - return new SmallInteger(value); - } - return new BigInteger(value, sign); - } - - function subtractSmall(a, b, sign) { // assumes a is array, b is number with 0 <= b < MAX_INT - var l = a.length, - r = new Array(l), - carry = -b, - base = BASE, - i, difference; - for (i = 0; i < l; i++) { - difference = a[i] + carry; - carry = Math.floor(difference / base); - difference %= base; - r[i] = difference < 0 ? difference + base : difference; - } - r = arrayToSmall(r); - if (typeof r === "number") { - if (sign) r = -r; - return new SmallInteger(r); - } return new BigInteger(r, sign); - } - - BigInteger.prototype.subtract = function (v) { - var n = parseValue(v); - if (this.sign !== n.sign) { - return this.add(n.negate()); - } - var a = this.value, b = n.value; - if (n.isSmall) - return subtractSmall(a, Math.abs(b), this.sign); - return subtractAny(a, b, this.sign); - }; - BigInteger.prototype.minus = BigInteger.prototype.subtract; - - SmallInteger.prototype.subtract = function (v) { - var n = parseValue(v); - var a = this.value; - if (a < 0 !== n.sign) { - return this.add(n.negate()); - } - var b = n.value; - if (n.isSmall) { - return new SmallInteger(a - b); - } - return subtractSmall(b, Math.abs(a), a >= 0); - }; - SmallInteger.prototype.minus = SmallInteger.prototype.subtract; - - NativeBigInt.prototype.subtract = function (v) { - return new NativeBigInt(this.value - parseValue(v).value); - } - NativeBigInt.prototype.minus = NativeBigInt.prototype.subtract; - - BigInteger.prototype.negate = function () { - return new BigInteger(this.value, !this.sign); - }; - SmallInteger.prototype.negate = function () { - var sign = this.sign; - var small = new SmallInteger(-this.value); - small.sign = !sign; - return small; - }; - NativeBigInt.prototype.negate = function () { - return new NativeBigInt(-this.value); - } - - BigInteger.prototype.abs = function () { - return new BigInteger(this.value, false); - }; - SmallInteger.prototype.abs = function () { - return new SmallInteger(Math.abs(this.value)); - }; - NativeBigInt.prototype.abs = function () { - return new NativeBigInt(this.value >= 0 ? this.value : -this.value); - } - - - function multiplyLong(a, b) { - var a_l = a.length, - b_l = b.length, - l = a_l + b_l, - r = createArray(l), - base = BASE, - product, carry, i, a_i, b_j; - for (i = 0; i < a_l; ++i) { - a_i = a[i]; - for (var j = 0; j < b_l; ++j) { - b_j = b[j]; - product = a_i * b_j + r[i + j]; - carry = Math.floor(product / base); - r[i + j] = product - carry * base; - r[i + j + 1] += carry; - } - } - trim(r); - return r; - } - - function multiplySmall(a, b) { // assumes a is array, b is number with |b| < BASE - var l = a.length, - r = new Array(l), - base = BASE, - carry = 0, - product, i; - for (i = 0; i < l; i++) { - product = a[i] * b + carry; - carry = Math.floor(product / base); - r[i] = product - carry * base; - } - while (carry > 0) { - r[i++] = carry % base; - carry = Math.floor(carry / base); - } - return r; - } - - function shiftLeft(x, n) { - var r = []; - while (n-- > 0) r.push(0); - return r.concat(x); - } - - function multiplyKaratsuba(x, y) { - var n = Math.max(x.length, y.length); - - if (n <= 30) return multiplyLong(x, y); - n = Math.ceil(n / 2); - - var b = x.slice(n), - a = x.slice(0, n), - d = y.slice(n), - c = y.slice(0, n); - - var ac = multiplyKaratsuba(a, c), - bd = multiplyKaratsuba(b, d), - abcd = multiplyKaratsuba(addAny(a, b), addAny(c, d)); - - var product = addAny(addAny(ac, shiftLeft(subtract(subtract(abcd, ac), bd), n)), shiftLeft(bd, 2 * n)); - trim(product); - return product; - } - - // The following function is derived from a surface fit of a graph plotting the performance difference - // between long multiplication and karatsuba multiplication versus the lengths of the two arrays. - function useKaratsuba(l1, l2) { - return -0.012 * l1 - 0.012 * l2 + 0.000015 * l1 * l2 > 0; - } - - BigInteger.prototype.multiply = function (v) { - var n = parseValue(v), - a = this.value, b = n.value, - sign = this.sign !== n.sign, - abs; - if (n.isSmall) { - if (b === 0) return Integer[0]; - if (b === 1) return this; - if (b === -1) return this.negate(); - abs = Math.abs(b); - if (abs < BASE) { - return new BigInteger(multiplySmall(a, abs), sign); - } - b = smallToArray(abs); - } - if (useKaratsuba(a.length, b.length)) // Karatsuba is only faster for certain array sizes - return new BigInteger(multiplyKaratsuba(a, b), sign); - return new BigInteger(multiplyLong(a, b), sign); - }; - - BigInteger.prototype.times = BigInteger.prototype.multiply; - - function multiplySmallAndArray(a, b, sign) { // a >= 0 - if (a < BASE) { - return new BigInteger(multiplySmall(b, a), sign); - } - return new BigInteger(multiplyLong(b, smallToArray(a)), sign); - } - SmallInteger.prototype._multiplyBySmall = function (a) { - if (isPrecise(a.value * this.value)) { - return new SmallInteger(a.value * this.value); - } - return multiplySmallAndArray(Math.abs(a.value), smallToArray(Math.abs(this.value)), this.sign !== a.sign); - }; - BigInteger.prototype._multiplyBySmall = function (a) { - if (a.value === 0) return Integer[0]; - if (a.value === 1) return this; - if (a.value === -1) return this.negate(); - return multiplySmallAndArray(Math.abs(a.value), this.value, this.sign !== a.sign); - }; - SmallInteger.prototype.multiply = function (v) { - return parseValue(v)._multiplyBySmall(this); - }; - SmallInteger.prototype.times = SmallInteger.prototype.multiply; - - NativeBigInt.prototype.multiply = function (v) { - return new NativeBigInt(this.value * parseValue(v).value); - } - NativeBigInt.prototype.times = NativeBigInt.prototype.multiply; - - function square(a) { - //console.assert(2 * BASE * BASE < MAX_INT); - var l = a.length, - r = createArray(l + l), - base = BASE, - product, carry, i, a_i, a_j; - for (i = 0; i < l; i++) { - a_i = a[i]; - carry = 0 - a_i * a_i; - for (var j = i; j < l; j++) { - a_j = a[j]; - product = 2 * (a_i * a_j) + r[i + j] + carry; - carry = Math.floor(product / base); - r[i + j] = product - carry * base; - } - r[i + l] = carry; - } - trim(r); - return r; - } - - BigInteger.prototype.square = function () { - return new BigInteger(square(this.value), false); - }; - - SmallInteger.prototype.square = function () { - var value = this.value * this.value; - if (isPrecise(value)) return new SmallInteger(value); - return new BigInteger(square(smallToArray(Math.abs(this.value))), false); - }; - - NativeBigInt.prototype.square = function (v) { - return new NativeBigInt(this.value * this.value); - } - - function divMod1(a, b) { // Left over from previous version. Performs faster than divMod2 on smaller input sizes. - var a_l = a.length, - b_l = b.length, - base = BASE, - result = createArray(b.length), - divisorMostSignificantDigit = b[b_l - 1], - // normalization - lambda = Math.ceil(base / (2 * divisorMostSignificantDigit)), - remainder = multiplySmall(a, lambda), - divisor = multiplySmall(b, lambda), - quotientDigit, shift, carry, borrow, i, l, q; - if (remainder.length <= a_l) remainder.push(0); - divisor.push(0); - divisorMostSignificantDigit = divisor[b_l - 1]; - for (shift = a_l - b_l; shift >= 0; shift--) { - quotientDigit = base - 1; - if (remainder[shift + b_l] !== divisorMostSignificantDigit) { - quotientDigit = Math.floor((remainder[shift + b_l] * base + remainder[shift + b_l - 1]) / divisorMostSignificantDigit); - } - // quotientDigit <= base - 1 - carry = 0; - borrow = 0; - l = divisor.length; - for (i = 0; i < l; i++) { - carry += quotientDigit * divisor[i]; - q = Math.floor(carry / base); - borrow += remainder[shift + i] - (carry - q * base); - carry = q; - if (borrow < 0) { - remainder[shift + i] = borrow + base; - borrow = -1; - } else { - remainder[shift + i] = borrow; - borrow = 0; - } - } - while (borrow !== 0) { - quotientDigit -= 1; - carry = 0; - for (i = 0; i < l; i++) { - carry += remainder[shift + i] - base + divisor[i]; - if (carry < 0) { - remainder[shift + i] = carry + base; - carry = 0; - } else { - remainder[shift + i] = carry; - carry = 1; - } - } - borrow += carry; - } - result[shift] = quotientDigit; - } - // denormalization - remainder = divModSmall(remainder, lambda)[0]; - return [arrayToSmall(result), arrayToSmall(remainder)]; - } - - function divMod2(a, b) { // Implementation idea shamelessly stolen from Silent Matt's library http://silentmatt.com/biginteger/ - // Performs faster than divMod1 on larger input sizes. - var a_l = a.length, - b_l = b.length, - result = [], - part = [], - base = BASE, - guess, xlen, highx, highy, check; - while (a_l) { - part.unshift(a[--a_l]); - trim(part); - if (compareAbs(part, b) < 0) { - result.push(0); - continue; - } - xlen = part.length; - highx = part[xlen - 1] * base + part[xlen - 2]; - highy = b[b_l - 1] * base + b[b_l - 2]; - if (xlen > b_l) { - highx = (highx + 1) * base; - } - guess = Math.ceil(highx / highy); - do { - check = multiplySmall(b, guess); - if (compareAbs(check, part) <= 0) break; - guess--; - } while (guess); - result.push(guess); - part = subtract(part, check); - } - result.reverse(); - return [arrayToSmall(result), arrayToSmall(part)]; - } - - function divModSmall(value, lambda) { - var length = value.length, - quotient = createArray(length), - base = BASE, - i, q, remainder, divisor; - remainder = 0; - for (i = length - 1; i >= 0; --i) { - divisor = remainder * base + value[i]; - q = truncate(divisor / lambda); - remainder = divisor - q * lambda; - quotient[i] = q | 0; - } - return [quotient, remainder | 0]; - } - - function divModAny(self, v) { - var value, n = parseValue(v); - if (supportsNativeBigInt) { - return [new NativeBigInt(self.value / n.value), new NativeBigInt(self.value % n.value)]; - } - var a = self.value, b = n.value; - var quotient; - if (b === 0) throw new Error("Cannot divide by zero"); - if (self.isSmall) { - if (n.isSmall) { - return [new SmallInteger(truncate(a / b)), new SmallInteger(a % b)]; - } - return [Integer[0], self]; - } - if (n.isSmall) { - if (b === 1) return [self, Integer[0]]; - if (b == -1) return [self.negate(), Integer[0]]; - var abs = Math.abs(b); - if (abs < BASE) { - value = divModSmall(a, abs); - quotient = arrayToSmall(value[0]); - var remainder = value[1]; - if (self.sign) remainder = -remainder; - if (typeof quotient === "number") { - if (self.sign !== n.sign) quotient = -quotient; - return [new SmallInteger(quotient), new SmallInteger(remainder)]; - } - return [new BigInteger(quotient, self.sign !== n.sign), new SmallInteger(remainder)]; - } - b = smallToArray(abs); - } - var comparison = compareAbs(a, b); - if (comparison === -1) return [Integer[0], self]; - if (comparison === 0) return [Integer[self.sign === n.sign ? 1 : -1], Integer[0]]; - - // divMod1 is faster on smaller input sizes - if (a.length + b.length <= 200) - value = divMod1(a, b); - else value = divMod2(a, b); - - quotient = value[0]; - var qSign = self.sign !== n.sign, - mod = value[1], - mSign = self.sign; - if (typeof quotient === "number") { - if (qSign) quotient = -quotient; - quotient = new SmallInteger(quotient); - } else quotient = new BigInteger(quotient, qSign); - if (typeof mod === "number") { - if (mSign) mod = -mod; - mod = new SmallInteger(mod); - } else mod = new BigInteger(mod, mSign); - return [quotient, mod]; - } - - BigInteger.prototype.divmod = function (v) { - var result = divModAny(this, v); - return { - quotient: result[0], - remainder: result[1] - }; - }; - NativeBigInt.prototype.divmod = SmallInteger.prototype.divmod = BigInteger.prototype.divmod; - - - BigInteger.prototype.divide = function (v) { - return divModAny(this, v)[0]; - }; - NativeBigInt.prototype.over = NativeBigInt.prototype.divide = function (v) { - return new NativeBigInt(this.value / parseValue(v).value); - }; - SmallInteger.prototype.over = SmallInteger.prototype.divide = BigInteger.prototype.over = BigInteger.prototype.divide; - - BigInteger.prototype.mod = function (v) { - return divModAny(this, v)[1]; - }; - NativeBigInt.prototype.mod = NativeBigInt.prototype.remainder = function (v) { - return new NativeBigInt(this.value % parseValue(v).value); - }; - SmallInteger.prototype.remainder = SmallInteger.prototype.mod = BigInteger.prototype.remainder = BigInteger.prototype.mod; - - BigInteger.prototype.pow = function (v) { - var n = parseValue(v), - a = this.value, - b = n.value, - value, x, y; - if (b === 0) return Integer[1]; - if (a === 0) return Integer[0]; - if (a === 1) return Integer[1]; - if (a === -1) return n.isEven() ? Integer[1] : Integer[-1]; - if (n.sign) { - return Integer[0]; - } - if (!n.isSmall) throw new Error("The exponent " + n.toString() + " is too large."); - if (this.isSmall) { - if (isPrecise(value = Math.pow(a, b))) - return new SmallInteger(truncate(value)); - } - x = this; - y = Integer[1]; - while (true) { - if (b & 1 === 1) { - y = y.times(x); - --b; - } - if (b === 0) break; - b /= 2; - x = x.square(); - } - return y; - }; - SmallInteger.prototype.pow = BigInteger.prototype.pow; - - NativeBigInt.prototype.pow = function (v) { - var n = parseValue(v); - var a = this.value, b = n.value; - var _0 = BigInt(0), _1 = BigInt(1), _2 = BigInt(2); - if (b === _0) return Integer[1]; - if (a === _0) return Integer[0]; - if (a === _1) return Integer[1]; - if (a === BigInt(-1)) return n.isEven() ? Integer[1] : Integer[-1]; - if (n.isNegative()) return new NativeBigInt(_0); - var x = this; - var y = Integer[1]; - while (true) { - if ((b & _1) === _1) { - y = y.times(x); - --b; - } - if (b === _0) break; - b /= _2; - x = x.square(); - } - return y; - } - - BigInteger.prototype.modPow = function (exp, mod) { - exp = parseValue(exp); - mod = parseValue(mod); - if (mod.isZero()) throw new Error("Cannot take modPow with modulus 0"); - var r = Integer[1], - base = this.mod(mod); - while (exp.isPositive()) { - if (base.isZero()) return Integer[0]; - if (exp.isOdd()) r = r.multiply(base).mod(mod); - exp = exp.divide(2); - base = base.square().mod(mod); - } - return r; - }; - NativeBigInt.prototype.modPow = SmallInteger.prototype.modPow = BigInteger.prototype.modPow; - - function compareAbs(a, b) { - if (a.length !== b.length) { - return a.length > b.length ? 1 : -1; - } - for (var i = a.length - 1; i >= 0; i--) { - if (a[i] !== b[i]) return a[i] > b[i] ? 1 : -1; - } - return 0; - } - - BigInteger.prototype.compareAbs = function (v) { - var n = parseValue(v), - a = this.value, - b = n.value; - if (n.isSmall) return 1; - return compareAbs(a, b); - }; - SmallInteger.prototype.compareAbs = function (v) { - var n = parseValue(v), - a = Math.abs(this.value), - b = n.value; - if (n.isSmall) { - b = Math.abs(b); - return a === b ? 0 : a > b ? 1 : -1; - } - return -1; - }; - NativeBigInt.prototype.compareAbs = function (v) { - var a = this.value; - var b = parseValue(v).value; - a = a >= 0 ? a : -a; - b = b >= 0 ? b : -b; - return a === b ? 0 : a > b ? 1 : -1; - } - - BigInteger.prototype.compare = function (v) { - // See discussion about comparison with Infinity: - // https://github.com/peterolson/BigInteger.js/issues/61 - if (v === Infinity) { - return -1; - } - if (v === -Infinity) { - return 1; - } - - var n = parseValue(v), - a = this.value, - b = n.value; - if (this.sign !== n.sign) { - return n.sign ? 1 : -1; - } - if (n.isSmall) { - return this.sign ? -1 : 1; - } - return compareAbs(a, b) * (this.sign ? -1 : 1); - }; - BigInteger.prototype.compareTo = BigInteger.prototype.compare; - - SmallInteger.prototype.compare = function (v) { - if (v === Infinity) { - return -1; - } - if (v === -Infinity) { - return 1; - } - - var n = parseValue(v), - a = this.value, - b = n.value; - if (n.isSmall) { - return a == b ? 0 : a > b ? 1 : -1; - } - if (a < 0 !== n.sign) { - return a < 0 ? -1 : 1; - } - return a < 0 ? 1 : -1; - }; - SmallInteger.prototype.compareTo = SmallInteger.prototype.compare; - - NativeBigInt.prototype.compare = function (v) { - if (v === Infinity) { - return -1; - } - if (v === -Infinity) { - return 1; - } - var a = this.value; - var b = parseValue(v).value; - return a === b ? 0 : a > b ? 1 : -1; - } - NativeBigInt.prototype.compareTo = NativeBigInt.prototype.compare; - - BigInteger.prototype.equals = function (v) { - return this.compare(v) === 0; - }; - NativeBigInt.prototype.eq = NativeBigInt.prototype.equals = SmallInteger.prototype.eq = SmallInteger.prototype.equals = BigInteger.prototype.eq = BigInteger.prototype.equals; - - BigInteger.prototype.notEquals = function (v) { - return this.compare(v) !== 0; - }; - NativeBigInt.prototype.neq = NativeBigInt.prototype.notEquals = SmallInteger.prototype.neq = SmallInteger.prototype.notEquals = BigInteger.prototype.neq = BigInteger.prototype.notEquals; - - BigInteger.prototype.greater = function (v) { - return this.compare(v) > 0; - }; - NativeBigInt.prototype.gt = NativeBigInt.prototype.greater = SmallInteger.prototype.gt = SmallInteger.prototype.greater = BigInteger.prototype.gt = BigInteger.prototype.greater; - - BigInteger.prototype.lesser = function (v) { - return this.compare(v) < 0; - }; - NativeBigInt.prototype.lt = NativeBigInt.prototype.lesser = SmallInteger.prototype.lt = SmallInteger.prototype.lesser = BigInteger.prototype.lt = BigInteger.prototype.lesser; - - BigInteger.prototype.greaterOrEquals = function (v) { - return this.compare(v) >= 0; - }; - NativeBigInt.prototype.geq = NativeBigInt.prototype.greaterOrEquals = SmallInteger.prototype.geq = SmallInteger.prototype.greaterOrEquals = BigInteger.prototype.geq = BigInteger.prototype.greaterOrEquals; - - BigInteger.prototype.lesserOrEquals = function (v) { - return this.compare(v) <= 0; - }; - NativeBigInt.prototype.leq = NativeBigInt.prototype.lesserOrEquals = SmallInteger.prototype.leq = SmallInteger.prototype.lesserOrEquals = BigInteger.prototype.leq = BigInteger.prototype.lesserOrEquals; - - BigInteger.prototype.isEven = function () { - return (this.value[0] & 1) === 0; - }; - SmallInteger.prototype.isEven = function () { - return (this.value & 1) === 0; - }; - NativeBigInt.prototype.isEven = function () { - return (this.value & BigInt(1)) === BigInt(0); - } - - BigInteger.prototype.isOdd = function () { - return (this.value[0] & 1) === 1; - }; - SmallInteger.prototype.isOdd = function () { - return (this.value & 1) === 1; - }; - NativeBigInt.prototype.isOdd = function () { - return (this.value & BigInt(1)) === BigInt(1); - } - - BigInteger.prototype.isPositive = function () { - return !this.sign; - }; - SmallInteger.prototype.isPositive = function () { - return this.value > 0; - }; - NativeBigInt.prototype.isPositive = SmallInteger.prototype.isPositive; - - BigInteger.prototype.isNegative = function () { - return this.sign; - }; - SmallInteger.prototype.isNegative = function () { - return this.value < 0; - }; - NativeBigInt.prototype.isNegative = SmallInteger.prototype.isNegative; - - BigInteger.prototype.isUnit = function () { - return false; - }; - SmallInteger.prototype.isUnit = function () { - return Math.abs(this.value) === 1; - }; - NativeBigInt.prototype.isUnit = function () { - return this.abs().value === BigInt(1); - } - - BigInteger.prototype.isZero = function () { - return false; - }; - SmallInteger.prototype.isZero = function () { - return this.value === 0; - }; - NativeBigInt.prototype.isZero = function () { - return this.value === BigInt(0); - } - - BigInteger.prototype.isDivisibleBy = function (v) { - var n = parseValue(v); - if (n.isZero()) return false; - if (n.isUnit()) return true; - if (n.compareAbs(2) === 0) return this.isEven(); - return this.mod(n).isZero(); - }; - NativeBigInt.prototype.isDivisibleBy = SmallInteger.prototype.isDivisibleBy = BigInteger.prototype.isDivisibleBy; - - function isBasicPrime(v) { - var n = v.abs(); - if (n.isUnit()) return false; - if (n.equals(2) || n.equals(3) || n.equals(5)) return true; - if (n.isEven() || n.isDivisibleBy(3) || n.isDivisibleBy(5)) return false; - if (n.lesser(49)) return true; - // we don't know if it's prime: let the other functions figure it out - } - - function millerRabinTest(n, a) { - var nPrev = n.prev(), - b = nPrev, - r = 0, - d, t, i, x; - while (b.isEven()) b = b.divide(2), r++; - next: for (i = 0; i < a.length; i++) { - if (n.lesser(a[i])) continue; - x = bigInt(a[i]).modPow(b, n); - if (x.isUnit() || x.equals(nPrev)) continue; - for (d = r - 1; d != 0; d--) { - x = x.square().mod(n); - if (x.isUnit()) return false; - if (x.equals(nPrev)) continue next; - } - return false; - } - return true; - } - - // Set "strict" to true to force GRH-supported lower bound of 2*log(N)^2 - BigInteger.prototype.isPrime = function (strict) { - var isPrime = isBasicPrime(this); - if (isPrime !== undefined) return isPrime; - var n = this.abs(); - var bits = n.bitLength(); - if (bits <= 64) - return millerRabinTest(n, [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37]); - var logN = Math.log(2) * bits.toJSNumber(); - var t = Math.ceil((strict === true) ? (2 * Math.pow(logN, 2)) : logN); - for (var a = [], i = 0; i < t; i++) { - a.push(bigInt(i + 2)); - } - return millerRabinTest(n, a); - }; - NativeBigInt.prototype.isPrime = SmallInteger.prototype.isPrime = BigInteger.prototype.isPrime; - - BigInteger.prototype.isProbablePrime = function (iterations) { - var isPrime = isBasicPrime(this); - if (isPrime !== undefined) return isPrime; - var n = this.abs(); - var t = iterations === undefined ? 5 : iterations; - for (var a = [], i = 0; i < t; i++) { - a.push(bigInt.randBetween(2, n.minus(2))); - } - return millerRabinTest(n, a); - }; - NativeBigInt.prototype.isProbablePrime = SmallInteger.prototype.isProbablePrime = BigInteger.prototype.isProbablePrime; - - BigInteger.prototype.modInv = function (n) { - var t = bigInt.zero, newT = bigInt.one, r = parseValue(n), newR = this.abs(), q, lastT, lastR; - while (!newR.isZero()) { - q = r.divide(newR); - lastT = t; - lastR = r; - t = newT; - r = newR; - newT = lastT.subtract(q.multiply(newT)); - newR = lastR.subtract(q.multiply(newR)); - } - if (!r.isUnit()) throw new Error(this.toString() + " and " + n.toString() + " are not co-prime"); - if (t.compare(0) === -1) { - t = t.add(n); - } - if (this.isNegative()) { - return t.negate(); - } - return t; - }; - - NativeBigInt.prototype.modInv = SmallInteger.prototype.modInv = BigInteger.prototype.modInv; - - BigInteger.prototype.next = function () { - var value = this.value; - if (this.sign) { - return subtractSmall(value, 1, this.sign); - } - return new BigInteger(addSmall(value, 1), this.sign); - }; - SmallInteger.prototype.next = function () { - var value = this.value; - if (value + 1 < MAX_INT) return new SmallInteger(value + 1); - return new BigInteger(MAX_INT_ARR, false); - }; - NativeBigInt.prototype.next = function () { - return new NativeBigInt(this.value + BigInt(1)); - } - - BigInteger.prototype.prev = function () { - var value = this.value; - if (this.sign) { - return new BigInteger(addSmall(value, 1), true); - } - return subtractSmall(value, 1, this.sign); - }; - SmallInteger.prototype.prev = function () { - var value = this.value; - if (value - 1 > -MAX_INT) return new SmallInteger(value - 1); - return new BigInteger(MAX_INT_ARR, true); - }; - NativeBigInt.prototype.prev = function () { - return new NativeBigInt(this.value - BigInt(1)); - } - - var powersOfTwo = [1]; - while (2 * powersOfTwo[powersOfTwo.length - 1] <= BASE) powersOfTwo.push(2 * powersOfTwo[powersOfTwo.length - 1]); - var powers2Length = powersOfTwo.length, highestPower2 = powersOfTwo[powers2Length - 1]; - - function shift_isSmall(n) { - return Math.abs(n) <= BASE; - } - - BigInteger.prototype.shiftLeft = function (v) { - var n = parseValue(v).toJSNumber(); - if (!shift_isSmall(n)) { - throw new Error(String(n) + " is too large for shifting."); - } - if (n < 0) return this.shiftRight(-n); - var result = this; - if (result.isZero()) return result; - while (n >= powers2Length) { - result = result.multiply(highestPower2); - n -= powers2Length - 1; - } - return result.multiply(powersOfTwo[n]); - }; - NativeBigInt.prototype.shiftLeft = SmallInteger.prototype.shiftLeft = BigInteger.prototype.shiftLeft; - - BigInteger.prototype.shiftRight = function (v) { - var remQuo; - var n = parseValue(v).toJSNumber(); - if (!shift_isSmall(n)) { - throw new Error(String(n) + " is too large for shifting."); - } - if (n < 0) return this.shiftLeft(-n); - var result = this; - while (n >= powers2Length) { - if (result.isZero() || (result.isNegative() && result.isUnit())) return result; - remQuo = divModAny(result, highestPower2); - result = remQuo[1].isNegative() ? remQuo[0].prev() : remQuo[0]; - n -= powers2Length - 1; - } - remQuo = divModAny(result, powersOfTwo[n]); - return remQuo[1].isNegative() ? remQuo[0].prev() : remQuo[0]; - }; - NativeBigInt.prototype.shiftRight = SmallInteger.prototype.shiftRight = BigInteger.prototype.shiftRight; - - function bitwise(x, y, fn) { - y = parseValue(y); - var xSign = x.isNegative(), ySign = y.isNegative(); - var xRem = xSign ? x.not() : x, - yRem = ySign ? y.not() : y; - var xDigit = 0, yDigit = 0; - var xDivMod = null, yDivMod = null; - var result = []; - while (!xRem.isZero() || !yRem.isZero()) { - xDivMod = divModAny(xRem, highestPower2); - xDigit = xDivMod[1].toJSNumber(); - if (xSign) { - xDigit = highestPower2 - 1 - xDigit; // two's complement for negative numbers - } - - yDivMod = divModAny(yRem, highestPower2); - yDigit = yDivMod[1].toJSNumber(); - if (ySign) { - yDigit = highestPower2 - 1 - yDigit; // two's complement for negative numbers - } - - xRem = xDivMod[0]; - yRem = yDivMod[0]; - result.push(fn(xDigit, yDigit)); - } - var sum = fn(xSign ? 1 : 0, ySign ? 1 : 0) !== 0 ? bigInt(-1) : bigInt(0); - for (var i = result.length - 1; i >= 0; i -= 1) { - sum = sum.multiply(highestPower2).add(bigInt(result[i])); - } - return sum; - } - - BigInteger.prototype.not = function () { - return this.negate().prev(); - }; - NativeBigInt.prototype.not = SmallInteger.prototype.not = BigInteger.prototype.not; - - BigInteger.prototype.and = function (n) { - return bitwise(this, n, function (a, b) { return a & b; }); - }; - NativeBigInt.prototype.and = SmallInteger.prototype.and = BigInteger.prototype.and; - - BigInteger.prototype.or = function (n) { - return bitwise(this, n, function (a, b) { return a | b; }); - }; - NativeBigInt.prototype.or = SmallInteger.prototype.or = BigInteger.prototype.or; - - BigInteger.prototype.xor = function (n) { - return bitwise(this, n, function (a, b) { return a ^ b; }); - }; - NativeBigInt.prototype.xor = SmallInteger.prototype.xor = BigInteger.prototype.xor; - - var LOBMASK_I = 1 << 30, LOBMASK_BI = (BASE & -BASE) * (BASE & -BASE) | LOBMASK_I; - function roughLOB(n) { // get lowestOneBit (rough) - // SmallInteger: return Min(lowestOneBit(n), 1 << 30) - // BigInteger: return Min(lowestOneBit(n), 1 << 14) [BASE=1e7] - var v = n.value, - x = typeof v === "number" ? v | LOBMASK_I : - typeof v === "bigint" ? v | BigInt(LOBMASK_I) : - v[0] + v[1] * BASE | LOBMASK_BI; - return x & -x; - } - - function integerLogarithm(value, base) { - if (base.compareTo(value) <= 0) { - var tmp = integerLogarithm(value, base.square(base)); - var p = tmp.p; - var e = tmp.e; - var t = p.multiply(base); - return t.compareTo(value) <= 0 ? { p: t, e: e * 2 + 1 } : { p: p, e: e * 2 }; - } - return { p: bigInt(1), e: 0 }; - } - - BigInteger.prototype.bitLength = function () { - var n = this; - if (n.compareTo(bigInt(0)) < 0) { - n = n.negate().subtract(bigInt(1)); - } - if (n.compareTo(bigInt(0)) === 0) { - return bigInt(0); - } - return bigInt(integerLogarithm(n, bigInt(2)).e).add(bigInt(1)); - } - NativeBigInt.prototype.bitLength = SmallInteger.prototype.bitLength = BigInteger.prototype.bitLength; - - function max(a, b) { - a = parseValue(a); - b = parseValue(b); - return a.greater(b) ? a : b; - } - function min(a, b) { - a = parseValue(a); - b = parseValue(b); - return a.lesser(b) ? a : b; - } - function gcd(a, b) { - a = parseValue(a).abs(); - b = parseValue(b).abs(); - if (a.equals(b)) return a; - if (a.isZero()) return b; - if (b.isZero()) return a; - var c = Integer[1], d, t; - while (a.isEven() && b.isEven()) { - d = min(roughLOB(a), roughLOB(b)); - a = a.divide(d); - b = b.divide(d); - c = c.multiply(d); - } - while (a.isEven()) { - a = a.divide(roughLOB(a)); - } - do { - while (b.isEven()) { - b = b.divide(roughLOB(b)); - } - if (a.greater(b)) { - t = b; b = a; a = t; - } - b = b.subtract(a); - } while (!b.isZero()); - return c.isUnit() ? a : a.multiply(c); - } - function lcm(a, b) { - a = parseValue(a).abs(); - b = parseValue(b).abs(); - return a.divide(gcd(a, b)).multiply(b); - } - function randBetween(a, b) { - a = parseValue(a); - b = parseValue(b); - var low = min(a, b), high = max(a, b); - var range = high.subtract(low).add(1); - if (range.isSmall) return low.add(Math.floor(Math.random() * range)); - var digits = toBase(range, BASE).value; - var result = [], restricted = true; - for (var i = 0; i < digits.length; i++) { - var top = restricted ? digits[i] : BASE; - var digit = truncate(Math.random() * top); - result.push(digit); - if (digit < top) restricted = false; - } - return low.add(Integer.fromArray(result, BASE, false)); - } - - var parseBase = function (text, base, alphabet, caseSensitive) { - alphabet = alphabet || DEFAULT_ALPHABET; - text = String(text); - if (!caseSensitive) { - text = text.toLowerCase(); - alphabet = alphabet.toLowerCase(); - } - var length = text.length; - var i; - var absBase = Math.abs(base); - var alphabetValues = {}; - for (i = 0; i < alphabet.length; i++) { - alphabetValues[alphabet[i]] = i; - } - for (i = 0; i < length; i++) { - var c = text[i]; - if (c === "-") continue; - if (c in alphabetValues) { - if (alphabetValues[c] >= absBase) { - if (c === "1" && absBase === 1) continue; - throw new Error(c + " is not a valid digit in base " + base + "."); - } - } - } - base = parseValue(base); - var digits = []; - var isNegative = text[0] === "-"; - for (i = isNegative ? 1 : 0; i < text.length; i++) { - var c = text[i]; - if (c in alphabetValues) digits.push(parseValue(alphabetValues[c])); - else if (c === "<") { - var start = i; - do { i++; } while (text[i] !== ">" && i < text.length); - digits.push(parseValue(text.slice(start + 1, i))); - } - else throw new Error(c + " is not a valid character"); - } - return parseBaseFromArray(digits, base, isNegative); - }; - - function parseBaseFromArray(digits, base, isNegative) { - var val = Integer[0], pow = Integer[1], i; - for (i = digits.length - 1; i >= 0; i--) { - val = val.add(digits[i].times(pow)); - pow = pow.times(base); - } - return isNegative ? val.negate() : val; - } - - function stringify(digit, alphabet) { - alphabet = alphabet || DEFAULT_ALPHABET; - if (digit < alphabet.length) { - return alphabet[digit]; - } - return "<" + digit + ">"; - } - - function toBase(n, base) { - base = bigInt(base); - if (base.isZero()) { - if (n.isZero()) return { value: [0], isNegative: false }; - throw new Error("Cannot convert nonzero numbers to base 0."); - } - if (base.equals(-1)) { - if (n.isZero()) return { value: [0], isNegative: false }; - if (n.isNegative()) - return { - value: [].concat.apply([], Array.apply(null, Array(-n.toJSNumber())) - .map(Array.prototype.valueOf, [1, 0]) - ), - isNegative: false - }; - - var arr = Array.apply(null, Array(n.toJSNumber() - 1)) - .map(Array.prototype.valueOf, [0, 1]); - arr.unshift([1]); - return { - value: [].concat.apply([], arr), - isNegative: false - }; - } - - var neg = false; - if (n.isNegative() && base.isPositive()) { - neg = true; - n = n.abs(); - } - if (base.isUnit()) { - if (n.isZero()) return { value: [0], isNegative: false }; - - return { - value: Array.apply(null, Array(n.toJSNumber())) - .map(Number.prototype.valueOf, 1), - isNegative: neg - }; - } - var out = []; - var left = n, divmod; - while (left.isNegative() || left.compareAbs(base) >= 0) { - divmod = left.divmod(base); - left = divmod.quotient; - var digit = divmod.remainder; - if (digit.isNegative()) { - digit = base.minus(digit).abs(); - left = left.next(); - } - out.push(digit.toJSNumber()); - } - out.push(left.toJSNumber()); - return { value: out.reverse(), isNegative: neg }; - } - - function toBaseString(n, base, alphabet) { - var arr = toBase(n, base); - return (arr.isNegative ? "-" : "") + arr.value.map(function (x) { - return stringify(x, alphabet); - }).join(''); - } - - BigInteger.prototype.toArray = function (radix) { - return toBase(this, radix); - }; - - SmallInteger.prototype.toArray = function (radix) { - return toBase(this, radix); - }; - - NativeBigInt.prototype.toArray = function (radix) { - return toBase(this, radix); - }; - - BigInteger.prototype.toString = function (radix, alphabet) { - if (radix === undefined) radix = 10; - if (radix !== 10) return toBaseString(this, radix, alphabet); - var v = this.value, l = v.length, str = String(v[--l]), zeros = "0000000", digit; - while (--l >= 0) { - digit = String(v[l]); - str += zeros.slice(digit.length) + digit; - } - var sign = this.sign ? "-" : ""; - return sign + str; - }; - - SmallInteger.prototype.toString = function (radix, alphabet) { - if (radix === undefined) radix = 10; - if (radix != 10) return toBaseString(this, radix, alphabet); - return String(this.value); - }; - - NativeBigInt.prototype.toString = SmallInteger.prototype.toString; - - NativeBigInt.prototype.toJSON = BigInteger.prototype.toJSON = SmallInteger.prototype.toJSON = function () { return this.toString(); } - - BigInteger.prototype.valueOf = function () { - return parseInt(this.toString(), 10); - }; - BigInteger.prototype.toJSNumber = BigInteger.prototype.valueOf; - - SmallInteger.prototype.valueOf = function () { - return this.value; - }; - SmallInteger.prototype.toJSNumber = SmallInteger.prototype.valueOf; - NativeBigInt.prototype.valueOf = NativeBigInt.prototype.toJSNumber = function () { - return parseInt(this.toString(), 10); - } - - function parseStringValue(v) { - if (isPrecise(+v)) { - var x = +v; - if (x === truncate(x)) - return supportsNativeBigInt ? new NativeBigInt(BigInt(x)) : new SmallInteger(x); - throw new Error("Invalid integer: " + v); - } - var sign = v[0] === "-"; - if (sign) v = v.slice(1); - var split = v.split(/e/i); - if (split.length > 2) throw new Error("Invalid integer: " + split.join("e")); - if (split.length === 2) { - var exp = split[1]; - if (exp[0] === "+") exp = exp.slice(1); - exp = +exp; - if (exp !== truncate(exp) || !isPrecise(exp)) throw new Error("Invalid integer: " + exp + " is not a valid exponent."); - var text = split[0]; - var decimalPlace = text.indexOf("."); - if (decimalPlace >= 0) { - exp -= text.length - decimalPlace - 1; - text = text.slice(0, decimalPlace) + text.slice(decimalPlace + 1); - } - if (exp < 0) throw new Error("Cannot include negative exponent part for integers"); - text += (new Array(exp + 1)).join("0"); - v = text; - } - var isValid = /^([0-9][0-9]*)$/.test(v); - if (!isValid) throw new Error("Invalid integer: " + v); - if (supportsNativeBigInt) { - return new NativeBigInt(BigInt(sign ? "-" + v : v)); - } - var r = [], max = v.length, l = LOG_BASE, min = max - l; - while (max > 0) { - r.push(+v.slice(min, max)); - min -= l; - if (min < 0) min = 0; - max -= l; - } - trim(r); - return new BigInteger(r, sign); - } - - function parseNumberValue(v) { - if (supportsNativeBigInt) { - return new NativeBigInt(BigInt(v)); - } - if (isPrecise(v)) { - if (v !== truncate(v)) throw new Error(v + " is not an integer."); - return new SmallInteger(v); - } - return parseStringValue(v.toString()); - } - - function parseValue(v) { - if (typeof v === "number") { - return parseNumberValue(v); - } - if (typeof v === "string") { - return parseStringValue(v); - } - if (typeof v === "bigint") { - return new NativeBigInt(v); - } - return v; - } - // Pre-define numbers in range [-999,999] - for (var i = 0; i < 1000; i++) { - Integer[i] = parseValue(i); - if (i > 0) Integer[-i] = parseValue(-i); - } - // Backwards compatibility - Integer.one = Integer[1]; - Integer.zero = Integer[0]; - Integer.minusOne = Integer[-1]; - Integer.max = max; - Integer.min = min; - Integer.gcd = gcd; - Integer.lcm = lcm; - Integer.isInstance = function (x) { return x instanceof BigInteger || x instanceof SmallInteger || x instanceof NativeBigInt; }; - Integer.randBetween = randBetween; - - Integer.fromArray = function (digits, base, isNegative) { - return parseBaseFromArray(digits.map(parseValue), parseValue(base || 10), isNegative); - }; - - return Integer; -})(); - -// Node.js check -if ( true && module.hasOwnProperty("exports")) { - module.exports = bigInt; -} - -//amd check -if (true) { - !(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_RESULT__ = (function () { - return bigInt; +var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;var bigInt = (function (undefined) { + "use strict"; + + var BASE = 1e7, + LOG_BASE = 7, + MAX_INT = 9007199254740992, + MAX_INT_ARR = smallToArray(MAX_INT), + DEFAULT_ALPHABET = "0123456789abcdefghijklmnopqrstuvwxyz"; + + var supportsNativeBigInt = typeof BigInt === "function"; + + function Integer(v, radix, alphabet, caseSensitive) { + if (typeof v === "undefined") return Integer[0]; + if (typeof radix !== "undefined") return +radix === 10 && !alphabet ? parseValue(v) : parseBase(v, radix, alphabet, caseSensitive); + return parseValue(v); + } + + function BigInteger(value, sign) { + this.value = value; + this.sign = sign; + this.isSmall = false; + } + BigInteger.prototype = Object.create(Integer.prototype); + + function SmallInteger(value) { + this.value = value; + this.sign = value < 0; + this.isSmall = true; + } + SmallInteger.prototype = Object.create(Integer.prototype); + + function NativeBigInt(value) { + this.value = value; + } + NativeBigInt.prototype = Object.create(Integer.prototype); + + function isPrecise(n) { + return -MAX_INT < n && n < MAX_INT; + } + + function smallToArray(n) { // For performance reasons doesn't reference BASE, need to change this function if BASE changes + if (n < 1e7) + return [n]; + if (n < 1e14) + return [n % 1e7, Math.floor(n / 1e7)]; + return [n % 1e7, Math.floor(n / 1e7) % 1e7, Math.floor(n / 1e14)]; + } + + function arrayToSmall(arr) { // If BASE changes this function may need to change + trim(arr); + var length = arr.length; + if (length < 4 && compareAbs(arr, MAX_INT_ARR) < 0) { + switch (length) { + case 0: return 0; + case 1: return arr[0]; + case 2: return arr[0] + arr[1] * BASE; + default: return arr[0] + (arr[1] + arr[2] * BASE) * BASE; + } + } + return arr; + } + + function trim(v) { + var i = v.length; + while (v[--i] === 0); + v.length = i + 1; + } + + function createArray(length) { // function shamelessly stolen from Yaffle's library https://github.com/Yaffle/BigInteger + var x = new Array(length); + var i = -1; + while (++i < length) { + x[i] = 0; + } + return x; + } + + function truncate(n) { + if (n > 0) return Math.floor(n); + return Math.ceil(n); + } + + function add(a, b) { // assumes a and b are arrays with a.length >= b.length + var l_a = a.length, + l_b = b.length, + r = new Array(l_a), + carry = 0, + base = BASE, + sum, i; + for (i = 0; i < l_b; i++) { + sum = a[i] + b[i] + carry; + carry = sum >= base ? 1 : 0; + r[i] = sum - carry * base; + } + while (i < l_a) { + sum = a[i] + carry; + carry = sum === base ? 1 : 0; + r[i++] = sum - carry * base; + } + if (carry > 0) r.push(carry); + return r; + } + + function addAny(a, b) { + if (a.length >= b.length) return add(a, b); + return add(b, a); + } + + function addSmall(a, carry) { // assumes a is array, carry is number with 0 <= carry < MAX_INT + var l = a.length, + r = new Array(l), + base = BASE, + sum, i; + for (i = 0; i < l; i++) { + sum = a[i] - base + carry; + carry = Math.floor(sum / base); + r[i] = sum - carry * base; + carry += 1; + } + while (carry > 0) { + r[i++] = carry % base; + carry = Math.floor(carry / base); + } + return r; + } + + BigInteger.prototype.add = function (v) { + var n = parseValue(v); + if (this.sign !== n.sign) { + return this.subtract(n.negate()); + } + var a = this.value, b = n.value; + if (n.isSmall) { + return new BigInteger(addSmall(a, Math.abs(b)), this.sign); + } + return new BigInteger(addAny(a, b), this.sign); + }; + BigInteger.prototype.plus = BigInteger.prototype.add; + + SmallInteger.prototype.add = function (v) { + var n = parseValue(v); + var a = this.value; + if (a < 0 !== n.sign) { + return this.subtract(n.negate()); + } + var b = n.value; + if (n.isSmall) { + if (isPrecise(a + b)) return new SmallInteger(a + b); + b = smallToArray(Math.abs(b)); + } + return new BigInteger(addSmall(b, Math.abs(a)), a < 0); + }; + SmallInteger.prototype.plus = SmallInteger.prototype.add; + + NativeBigInt.prototype.add = function (v) { + return new NativeBigInt(this.value + parseValue(v).value); + } + NativeBigInt.prototype.plus = NativeBigInt.prototype.add; + + function subtract(a, b) { // assumes a and b are arrays with a >= b + var a_l = a.length, + b_l = b.length, + r = new Array(a_l), + borrow = 0, + base = BASE, + i, difference; + for (i = 0; i < b_l; i++) { + difference = a[i] - borrow - b[i]; + if (difference < 0) { + difference += base; + borrow = 1; + } else borrow = 0; + r[i] = difference; + } + for (i = b_l; i < a_l; i++) { + difference = a[i] - borrow; + if (difference < 0) difference += base; + else { + r[i++] = difference; + break; + } + r[i] = difference; + } + for (; i < a_l; i++) { + r[i] = a[i]; + } + trim(r); + return r; + } + + function subtractAny(a, b, sign) { + var value; + if (compareAbs(a, b) >= 0) { + value = subtract(a, b); + } else { + value = subtract(b, a); + sign = !sign; + } + value = arrayToSmall(value); + if (typeof value === "number") { + if (sign) value = -value; + return new SmallInteger(value); + } + return new BigInteger(value, sign); + } + + function subtractSmall(a, b, sign) { // assumes a is array, b is number with 0 <= b < MAX_INT + var l = a.length, + r = new Array(l), + carry = -b, + base = BASE, + i, difference; + for (i = 0; i < l; i++) { + difference = a[i] + carry; + carry = Math.floor(difference / base); + difference %= base; + r[i] = difference < 0 ? difference + base : difference; + } + r = arrayToSmall(r); + if (typeof r === "number") { + if (sign) r = -r; + return new SmallInteger(r); + } return new BigInteger(r, sign); + } + + BigInteger.prototype.subtract = function (v) { + var n = parseValue(v); + if (this.sign !== n.sign) { + return this.add(n.negate()); + } + var a = this.value, b = n.value; + if (n.isSmall) + return subtractSmall(a, Math.abs(b), this.sign); + return subtractAny(a, b, this.sign); + }; + BigInteger.prototype.minus = BigInteger.prototype.subtract; + + SmallInteger.prototype.subtract = function (v) { + var n = parseValue(v); + var a = this.value; + if (a < 0 !== n.sign) { + return this.add(n.negate()); + } + var b = n.value; + if (n.isSmall) { + return new SmallInteger(a - b); + } + return subtractSmall(b, Math.abs(a), a >= 0); + }; + SmallInteger.prototype.minus = SmallInteger.prototype.subtract; + + NativeBigInt.prototype.subtract = function (v) { + return new NativeBigInt(this.value - parseValue(v).value); + } + NativeBigInt.prototype.minus = NativeBigInt.prototype.subtract; + + BigInteger.prototype.negate = function () { + return new BigInteger(this.value, !this.sign); + }; + SmallInteger.prototype.negate = function () { + var sign = this.sign; + var small = new SmallInteger(-this.value); + small.sign = !sign; + return small; + }; + NativeBigInt.prototype.negate = function () { + return new NativeBigInt(-this.value); + } + + BigInteger.prototype.abs = function () { + return new BigInteger(this.value, false); + }; + SmallInteger.prototype.abs = function () { + return new SmallInteger(Math.abs(this.value)); + }; + NativeBigInt.prototype.abs = function () { + return new NativeBigInt(this.value >= 0 ? this.value : -this.value); + } + + + function multiplyLong(a, b) { + var a_l = a.length, + b_l = b.length, + l = a_l + b_l, + r = createArray(l), + base = BASE, + product, carry, i, a_i, b_j; + for (i = 0; i < a_l; ++i) { + a_i = a[i]; + for (var j = 0; j < b_l; ++j) { + b_j = b[j]; + product = a_i * b_j + r[i + j]; + carry = Math.floor(product / base); + r[i + j] = product - carry * base; + r[i + j + 1] += carry; + } + } + trim(r); + return r; + } + + function multiplySmall(a, b) { // assumes a is array, b is number with |b| < BASE + var l = a.length, + r = new Array(l), + base = BASE, + carry = 0, + product, i; + for (i = 0; i < l; i++) { + product = a[i] * b + carry; + carry = Math.floor(product / base); + r[i] = product - carry * base; + } + while (carry > 0) { + r[i++] = carry % base; + carry = Math.floor(carry / base); + } + return r; + } + + function shiftLeft(x, n) { + var r = []; + while (n-- > 0) r.push(0); + return r.concat(x); + } + + function multiplyKaratsuba(x, y) { + var n = Math.max(x.length, y.length); + + if (n <= 30) return multiplyLong(x, y); + n = Math.ceil(n / 2); + + var b = x.slice(n), + a = x.slice(0, n), + d = y.slice(n), + c = y.slice(0, n); + + var ac = multiplyKaratsuba(a, c), + bd = multiplyKaratsuba(b, d), + abcd = multiplyKaratsuba(addAny(a, b), addAny(c, d)); + + var product = addAny(addAny(ac, shiftLeft(subtract(subtract(abcd, ac), bd), n)), shiftLeft(bd, 2 * n)); + trim(product); + return product; + } + + // The following function is derived from a surface fit of a graph plotting the performance difference + // between long multiplication and karatsuba multiplication versus the lengths of the two arrays. + function useKaratsuba(l1, l2) { + return -0.012 * l1 - 0.012 * l2 + 0.000015 * l1 * l2 > 0; + } + + BigInteger.prototype.multiply = function (v) { + var n = parseValue(v), + a = this.value, b = n.value, + sign = this.sign !== n.sign, + abs; + if (n.isSmall) { + if (b === 0) return Integer[0]; + if (b === 1) return this; + if (b === -1) return this.negate(); + abs = Math.abs(b); + if (abs < BASE) { + return new BigInteger(multiplySmall(a, abs), sign); + } + b = smallToArray(abs); + } + if (useKaratsuba(a.length, b.length)) // Karatsuba is only faster for certain array sizes + return new BigInteger(multiplyKaratsuba(a, b), sign); + return new BigInteger(multiplyLong(a, b), sign); + }; + + BigInteger.prototype.times = BigInteger.prototype.multiply; + + function multiplySmallAndArray(a, b, sign) { // a >= 0 + if (a < BASE) { + return new BigInteger(multiplySmall(b, a), sign); + } + return new BigInteger(multiplyLong(b, smallToArray(a)), sign); + } + SmallInteger.prototype._multiplyBySmall = function (a) { + if (isPrecise(a.value * this.value)) { + return new SmallInteger(a.value * this.value); + } + return multiplySmallAndArray(Math.abs(a.value), smallToArray(Math.abs(this.value)), this.sign !== a.sign); + }; + BigInteger.prototype._multiplyBySmall = function (a) { + if (a.value === 0) return Integer[0]; + if (a.value === 1) return this; + if (a.value === -1) return this.negate(); + return multiplySmallAndArray(Math.abs(a.value), this.value, this.sign !== a.sign); + }; + SmallInteger.prototype.multiply = function (v) { + return parseValue(v)._multiplyBySmall(this); + }; + SmallInteger.prototype.times = SmallInteger.prototype.multiply; + + NativeBigInt.prototype.multiply = function (v) { + return new NativeBigInt(this.value * parseValue(v).value); + } + NativeBigInt.prototype.times = NativeBigInt.prototype.multiply; + + function square(a) { + //console.assert(2 * BASE * BASE < MAX_INT); + var l = a.length, + r = createArray(l + l), + base = BASE, + product, carry, i, a_i, a_j; + for (i = 0; i < l; i++) { + a_i = a[i]; + carry = 0 - a_i * a_i; + for (var j = i; j < l; j++) { + a_j = a[j]; + product = 2 * (a_i * a_j) + r[i + j] + carry; + carry = Math.floor(product / base); + r[i + j] = product - carry * base; + } + r[i + l] = carry; + } + trim(r); + return r; + } + + BigInteger.prototype.square = function () { + return new BigInteger(square(this.value), false); + }; + + SmallInteger.prototype.square = function () { + var value = this.value * this.value; + if (isPrecise(value)) return new SmallInteger(value); + return new BigInteger(square(smallToArray(Math.abs(this.value))), false); + }; + + NativeBigInt.prototype.square = function (v) { + return new NativeBigInt(this.value * this.value); + } + + function divMod1(a, b) { // Left over from previous version. Performs faster than divMod2 on smaller input sizes. + var a_l = a.length, + b_l = b.length, + base = BASE, + result = createArray(b.length), + divisorMostSignificantDigit = b[b_l - 1], + // normalization + lambda = Math.ceil(base / (2 * divisorMostSignificantDigit)), + remainder = multiplySmall(a, lambda), + divisor = multiplySmall(b, lambda), + quotientDigit, shift, carry, borrow, i, l, q; + if (remainder.length <= a_l) remainder.push(0); + divisor.push(0); + divisorMostSignificantDigit = divisor[b_l - 1]; + for (shift = a_l - b_l; shift >= 0; shift--) { + quotientDigit = base - 1; + if (remainder[shift + b_l] !== divisorMostSignificantDigit) { + quotientDigit = Math.floor((remainder[shift + b_l] * base + remainder[shift + b_l - 1]) / divisorMostSignificantDigit); + } + // quotientDigit <= base - 1 + carry = 0; + borrow = 0; + l = divisor.length; + for (i = 0; i < l; i++) { + carry += quotientDigit * divisor[i]; + q = Math.floor(carry / base); + borrow += remainder[shift + i] - (carry - q * base); + carry = q; + if (borrow < 0) { + remainder[shift + i] = borrow + base; + borrow = -1; + } else { + remainder[shift + i] = borrow; + borrow = 0; + } + } + while (borrow !== 0) { + quotientDigit -= 1; + carry = 0; + for (i = 0; i < l; i++) { + carry += remainder[shift + i] - base + divisor[i]; + if (carry < 0) { + remainder[shift + i] = carry + base; + carry = 0; + } else { + remainder[shift + i] = carry; + carry = 1; + } + } + borrow += carry; + } + result[shift] = quotientDigit; + } + // denormalization + remainder = divModSmall(remainder, lambda)[0]; + return [arrayToSmall(result), arrayToSmall(remainder)]; + } + + function divMod2(a, b) { // Implementation idea shamelessly stolen from Silent Matt's library http://silentmatt.com/biginteger/ + // Performs faster than divMod1 on larger input sizes. + var a_l = a.length, + b_l = b.length, + result = [], + part = [], + base = BASE, + guess, xlen, highx, highy, check; + while (a_l) { + part.unshift(a[--a_l]); + trim(part); + if (compareAbs(part, b) < 0) { + result.push(0); + continue; + } + xlen = part.length; + highx = part[xlen - 1] * base + part[xlen - 2]; + highy = b[b_l - 1] * base + b[b_l - 2]; + if (xlen > b_l) { + highx = (highx + 1) * base; + } + guess = Math.ceil(highx / highy); + do { + check = multiplySmall(b, guess); + if (compareAbs(check, part) <= 0) break; + guess--; + } while (guess); + result.push(guess); + part = subtract(part, check); + } + result.reverse(); + return [arrayToSmall(result), arrayToSmall(part)]; + } + + function divModSmall(value, lambda) { + var length = value.length, + quotient = createArray(length), + base = BASE, + i, q, remainder, divisor; + remainder = 0; + for (i = length - 1; i >= 0; --i) { + divisor = remainder * base + value[i]; + q = truncate(divisor / lambda); + remainder = divisor - q * lambda; + quotient[i] = q | 0; + } + return [quotient, remainder | 0]; + } + + function divModAny(self, v) { + var value, n = parseValue(v); + if (supportsNativeBigInt) { + return [new NativeBigInt(self.value / n.value), new NativeBigInt(self.value % n.value)]; + } + var a = self.value, b = n.value; + var quotient; + if (b === 0) throw new Error("Cannot divide by zero"); + if (self.isSmall) { + if (n.isSmall) { + return [new SmallInteger(truncate(a / b)), new SmallInteger(a % b)]; + } + return [Integer[0], self]; + } + if (n.isSmall) { + if (b === 1) return [self, Integer[0]]; + if (b == -1) return [self.negate(), Integer[0]]; + var abs = Math.abs(b); + if (abs < BASE) { + value = divModSmall(a, abs); + quotient = arrayToSmall(value[0]); + var remainder = value[1]; + if (self.sign) remainder = -remainder; + if (typeof quotient === "number") { + if (self.sign !== n.sign) quotient = -quotient; + return [new SmallInteger(quotient), new SmallInteger(remainder)]; + } + return [new BigInteger(quotient, self.sign !== n.sign), new SmallInteger(remainder)]; + } + b = smallToArray(abs); + } + var comparison = compareAbs(a, b); + if (comparison === -1) return [Integer[0], self]; + if (comparison === 0) return [Integer[self.sign === n.sign ? 1 : -1], Integer[0]]; + + // divMod1 is faster on smaller input sizes + if (a.length + b.length <= 200) + value = divMod1(a, b); + else value = divMod2(a, b); + + quotient = value[0]; + var qSign = self.sign !== n.sign, + mod = value[1], + mSign = self.sign; + if (typeof quotient === "number") { + if (qSign) quotient = -quotient; + quotient = new SmallInteger(quotient); + } else quotient = new BigInteger(quotient, qSign); + if (typeof mod === "number") { + if (mSign) mod = -mod; + mod = new SmallInteger(mod); + } else mod = new BigInteger(mod, mSign); + return [quotient, mod]; + } + + BigInteger.prototype.divmod = function (v) { + var result = divModAny(this, v); + return { + quotient: result[0], + remainder: result[1] + }; + }; + NativeBigInt.prototype.divmod = SmallInteger.prototype.divmod = BigInteger.prototype.divmod; + + + BigInteger.prototype.divide = function (v) { + return divModAny(this, v)[0]; + }; + NativeBigInt.prototype.over = NativeBigInt.prototype.divide = function (v) { + return new NativeBigInt(this.value / parseValue(v).value); + }; + SmallInteger.prototype.over = SmallInteger.prototype.divide = BigInteger.prototype.over = BigInteger.prototype.divide; + + BigInteger.prototype.mod = function (v) { + return divModAny(this, v)[1]; + }; + NativeBigInt.prototype.mod = NativeBigInt.prototype.remainder = function (v) { + return new NativeBigInt(this.value % parseValue(v).value); + }; + SmallInteger.prototype.remainder = SmallInteger.prototype.mod = BigInteger.prototype.remainder = BigInteger.prototype.mod; + + BigInteger.prototype.pow = function (v) { + var n = parseValue(v), + a = this.value, + b = n.value, + value, x, y; + if (b === 0) return Integer[1]; + if (a === 0) return Integer[0]; + if (a === 1) return Integer[1]; + if (a === -1) return n.isEven() ? Integer[1] : Integer[-1]; + if (n.sign) { + return Integer[0]; + } + if (!n.isSmall) throw new Error("The exponent " + n.toString() + " is too large."); + if (this.isSmall) { + if (isPrecise(value = Math.pow(a, b))) + return new SmallInteger(truncate(value)); + } + x = this; + y = Integer[1]; + while (true) { + if (b & 1 === 1) { + y = y.times(x); + --b; + } + if (b === 0) break; + b /= 2; + x = x.square(); + } + return y; + }; + SmallInteger.prototype.pow = BigInteger.prototype.pow; + + NativeBigInt.prototype.pow = function (v) { + var n = parseValue(v); + var a = this.value, b = n.value; + var _0 = BigInt(0), _1 = BigInt(1), _2 = BigInt(2); + if (b === _0) return Integer[1]; + if (a === _0) return Integer[0]; + if (a === _1) return Integer[1]; + if (a === BigInt(-1)) return n.isEven() ? Integer[1] : Integer[-1]; + if (n.isNegative()) return new NativeBigInt(_0); + var x = this; + var y = Integer[1]; + while (true) { + if ((b & _1) === _1) { + y = y.times(x); + --b; + } + if (b === _0) break; + b /= _2; + x = x.square(); + } + return y; + } + + BigInteger.prototype.modPow = function (exp, mod) { + exp = parseValue(exp); + mod = parseValue(mod); + if (mod.isZero()) throw new Error("Cannot take modPow with modulus 0"); + var r = Integer[1], + base = this.mod(mod); + while (exp.isPositive()) { + if (base.isZero()) return Integer[0]; + if (exp.isOdd()) r = r.multiply(base).mod(mod); + exp = exp.divide(2); + base = base.square().mod(mod); + } + return r; + }; + NativeBigInt.prototype.modPow = SmallInteger.prototype.modPow = BigInteger.prototype.modPow; + + function compareAbs(a, b) { + if (a.length !== b.length) { + return a.length > b.length ? 1 : -1; + } + for (var i = a.length - 1; i >= 0; i--) { + if (a[i] !== b[i]) return a[i] > b[i] ? 1 : -1; + } + return 0; + } + + BigInteger.prototype.compareAbs = function (v) { + var n = parseValue(v), + a = this.value, + b = n.value; + if (n.isSmall) return 1; + return compareAbs(a, b); + }; + SmallInteger.prototype.compareAbs = function (v) { + var n = parseValue(v), + a = Math.abs(this.value), + b = n.value; + if (n.isSmall) { + b = Math.abs(b); + return a === b ? 0 : a > b ? 1 : -1; + } + return -1; + }; + NativeBigInt.prototype.compareAbs = function (v) { + var a = this.value; + var b = parseValue(v).value; + a = a >= 0 ? a : -a; + b = b >= 0 ? b : -b; + return a === b ? 0 : a > b ? 1 : -1; + } + + BigInteger.prototype.compare = function (v) { + // See discussion about comparison with Infinity: + // https://github.com/peterolson/BigInteger.js/issues/61 + if (v === Infinity) { + return -1; + } + if (v === -Infinity) { + return 1; + } + + var n = parseValue(v), + a = this.value, + b = n.value; + if (this.sign !== n.sign) { + return n.sign ? 1 : -1; + } + if (n.isSmall) { + return this.sign ? -1 : 1; + } + return compareAbs(a, b) * (this.sign ? -1 : 1); + }; + BigInteger.prototype.compareTo = BigInteger.prototype.compare; + + SmallInteger.prototype.compare = function (v) { + if (v === Infinity) { + return -1; + } + if (v === -Infinity) { + return 1; + } + + var n = parseValue(v), + a = this.value, + b = n.value; + if (n.isSmall) { + return a == b ? 0 : a > b ? 1 : -1; + } + if (a < 0 !== n.sign) { + return a < 0 ? -1 : 1; + } + return a < 0 ? 1 : -1; + }; + SmallInteger.prototype.compareTo = SmallInteger.prototype.compare; + + NativeBigInt.prototype.compare = function (v) { + if (v === Infinity) { + return -1; + } + if (v === -Infinity) { + return 1; + } + var a = this.value; + var b = parseValue(v).value; + return a === b ? 0 : a > b ? 1 : -1; + } + NativeBigInt.prototype.compareTo = NativeBigInt.prototype.compare; + + BigInteger.prototype.equals = function (v) { + return this.compare(v) === 0; + }; + NativeBigInt.prototype.eq = NativeBigInt.prototype.equals = SmallInteger.prototype.eq = SmallInteger.prototype.equals = BigInteger.prototype.eq = BigInteger.prototype.equals; + + BigInteger.prototype.notEquals = function (v) { + return this.compare(v) !== 0; + }; + NativeBigInt.prototype.neq = NativeBigInt.prototype.notEquals = SmallInteger.prototype.neq = SmallInteger.prototype.notEquals = BigInteger.prototype.neq = BigInteger.prototype.notEquals; + + BigInteger.prototype.greater = function (v) { + return this.compare(v) > 0; + }; + NativeBigInt.prototype.gt = NativeBigInt.prototype.greater = SmallInteger.prototype.gt = SmallInteger.prototype.greater = BigInteger.prototype.gt = BigInteger.prototype.greater; + + BigInteger.prototype.lesser = function (v) { + return this.compare(v) < 0; + }; + NativeBigInt.prototype.lt = NativeBigInt.prototype.lesser = SmallInteger.prototype.lt = SmallInteger.prototype.lesser = BigInteger.prototype.lt = BigInteger.prototype.lesser; + + BigInteger.prototype.greaterOrEquals = function (v) { + return this.compare(v) >= 0; + }; + NativeBigInt.prototype.geq = NativeBigInt.prototype.greaterOrEquals = SmallInteger.prototype.geq = SmallInteger.prototype.greaterOrEquals = BigInteger.prototype.geq = BigInteger.prototype.greaterOrEquals; + + BigInteger.prototype.lesserOrEquals = function (v) { + return this.compare(v) <= 0; + }; + NativeBigInt.prototype.leq = NativeBigInt.prototype.lesserOrEquals = SmallInteger.prototype.leq = SmallInteger.prototype.lesserOrEquals = BigInteger.prototype.leq = BigInteger.prototype.lesserOrEquals; + + BigInteger.prototype.isEven = function () { + return (this.value[0] & 1) === 0; + }; + SmallInteger.prototype.isEven = function () { + return (this.value & 1) === 0; + }; + NativeBigInt.prototype.isEven = function () { + return (this.value & BigInt(1)) === BigInt(0); + } + + BigInteger.prototype.isOdd = function () { + return (this.value[0] & 1) === 1; + }; + SmallInteger.prototype.isOdd = function () { + return (this.value & 1) === 1; + }; + NativeBigInt.prototype.isOdd = function () { + return (this.value & BigInt(1)) === BigInt(1); + } + + BigInteger.prototype.isPositive = function () { + return !this.sign; + }; + SmallInteger.prototype.isPositive = function () { + return this.value > 0; + }; + NativeBigInt.prototype.isPositive = SmallInteger.prototype.isPositive; + + BigInteger.prototype.isNegative = function () { + return this.sign; + }; + SmallInteger.prototype.isNegative = function () { + return this.value < 0; + }; + NativeBigInt.prototype.isNegative = SmallInteger.prototype.isNegative; + + BigInteger.prototype.isUnit = function () { + return false; + }; + SmallInteger.prototype.isUnit = function () { + return Math.abs(this.value) === 1; + }; + NativeBigInt.prototype.isUnit = function () { + return this.abs().value === BigInt(1); + } + + BigInteger.prototype.isZero = function () { + return false; + }; + SmallInteger.prototype.isZero = function () { + return this.value === 0; + }; + NativeBigInt.prototype.isZero = function () { + return this.value === BigInt(0); + } + + BigInteger.prototype.isDivisibleBy = function (v) { + var n = parseValue(v); + if (n.isZero()) return false; + if (n.isUnit()) return true; + if (n.compareAbs(2) === 0) return this.isEven(); + return this.mod(n).isZero(); + }; + NativeBigInt.prototype.isDivisibleBy = SmallInteger.prototype.isDivisibleBy = BigInteger.prototype.isDivisibleBy; + + function isBasicPrime(v) { + var n = v.abs(); + if (n.isUnit()) return false; + if (n.equals(2) || n.equals(3) || n.equals(5)) return true; + if (n.isEven() || n.isDivisibleBy(3) || n.isDivisibleBy(5)) return false; + if (n.lesser(49)) return true; + // we don't know if it's prime: let the other functions figure it out + } + + function millerRabinTest(n, a) { + var nPrev = n.prev(), + b = nPrev, + r = 0, + d, t, i, x; + while (b.isEven()) b = b.divide(2), r++; + next: for (i = 0; i < a.length; i++) { + if (n.lesser(a[i])) continue; + x = bigInt(a[i]).modPow(b, n); + if (x.isUnit() || x.equals(nPrev)) continue; + for (d = r - 1; d != 0; d--) { + x = x.square().mod(n); + if (x.isUnit()) return false; + if (x.equals(nPrev)) continue next; + } + return false; + } + return true; + } + + // Set "strict" to true to force GRH-supported lower bound of 2*log(N)^2 + BigInteger.prototype.isPrime = function (strict) { + var isPrime = isBasicPrime(this); + if (isPrime !== undefined) return isPrime; + var n = this.abs(); + var bits = n.bitLength(); + if (bits <= 64) + return millerRabinTest(n, [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37]); + var logN = Math.log(2) * bits.toJSNumber(); + var t = Math.ceil((strict === true) ? (2 * Math.pow(logN, 2)) : logN); + for (var a = [], i = 0; i < t; i++) { + a.push(bigInt(i + 2)); + } + return millerRabinTest(n, a); + }; + NativeBigInt.prototype.isPrime = SmallInteger.prototype.isPrime = BigInteger.prototype.isPrime; + + BigInteger.prototype.isProbablePrime = function (iterations) { + var isPrime = isBasicPrime(this); + if (isPrime !== undefined) return isPrime; + var n = this.abs(); + var t = iterations === undefined ? 5 : iterations; + for (var a = [], i = 0; i < t; i++) { + a.push(bigInt.randBetween(2, n.minus(2))); + } + return millerRabinTest(n, a); + }; + NativeBigInt.prototype.isProbablePrime = SmallInteger.prototype.isProbablePrime = BigInteger.prototype.isProbablePrime; + + BigInteger.prototype.modInv = function (n) { + var t = bigInt.zero, newT = bigInt.one, r = parseValue(n), newR = this.abs(), q, lastT, lastR; + while (!newR.isZero()) { + q = r.divide(newR); + lastT = t; + lastR = r; + t = newT; + r = newR; + newT = lastT.subtract(q.multiply(newT)); + newR = lastR.subtract(q.multiply(newR)); + } + if (!r.isUnit()) throw new Error(this.toString() + " and " + n.toString() + " are not co-prime"); + if (t.compare(0) === -1) { + t = t.add(n); + } + if (this.isNegative()) { + return t.negate(); + } + return t; + }; + + NativeBigInt.prototype.modInv = SmallInteger.prototype.modInv = BigInteger.prototype.modInv; + + BigInteger.prototype.next = function () { + var value = this.value; + if (this.sign) { + return subtractSmall(value, 1, this.sign); + } + return new BigInteger(addSmall(value, 1), this.sign); + }; + SmallInteger.prototype.next = function () { + var value = this.value; + if (value + 1 < MAX_INT) return new SmallInteger(value + 1); + return new BigInteger(MAX_INT_ARR, false); + }; + NativeBigInt.prototype.next = function () { + return new NativeBigInt(this.value + BigInt(1)); + } + + BigInteger.prototype.prev = function () { + var value = this.value; + if (this.sign) { + return new BigInteger(addSmall(value, 1), true); + } + return subtractSmall(value, 1, this.sign); + }; + SmallInteger.prototype.prev = function () { + var value = this.value; + if (value - 1 > -MAX_INT) return new SmallInteger(value - 1); + return new BigInteger(MAX_INT_ARR, true); + }; + NativeBigInt.prototype.prev = function () { + return new NativeBigInt(this.value - BigInt(1)); + } + + var powersOfTwo = [1]; + while (2 * powersOfTwo[powersOfTwo.length - 1] <= BASE) powersOfTwo.push(2 * powersOfTwo[powersOfTwo.length - 1]); + var powers2Length = powersOfTwo.length, highestPower2 = powersOfTwo[powers2Length - 1]; + + function shift_isSmall(n) { + return Math.abs(n) <= BASE; + } + + BigInteger.prototype.shiftLeft = function (v) { + var n = parseValue(v).toJSNumber(); + if (!shift_isSmall(n)) { + throw new Error(String(n) + " is too large for shifting."); + } + if (n < 0) return this.shiftRight(-n); + var result = this; + if (result.isZero()) return result; + while (n >= powers2Length) { + result = result.multiply(highestPower2); + n -= powers2Length - 1; + } + return result.multiply(powersOfTwo[n]); + }; + NativeBigInt.prototype.shiftLeft = SmallInteger.prototype.shiftLeft = BigInteger.prototype.shiftLeft; + + BigInteger.prototype.shiftRight = function (v) { + var remQuo; + var n = parseValue(v).toJSNumber(); + if (!shift_isSmall(n)) { + throw new Error(String(n) + " is too large for shifting."); + } + if (n < 0) return this.shiftLeft(-n); + var result = this; + while (n >= powers2Length) { + if (result.isZero() || (result.isNegative() && result.isUnit())) return result; + remQuo = divModAny(result, highestPower2); + result = remQuo[1].isNegative() ? remQuo[0].prev() : remQuo[0]; + n -= powers2Length - 1; + } + remQuo = divModAny(result, powersOfTwo[n]); + return remQuo[1].isNegative() ? remQuo[0].prev() : remQuo[0]; + }; + NativeBigInt.prototype.shiftRight = SmallInteger.prototype.shiftRight = BigInteger.prototype.shiftRight; + + function bitwise(x, y, fn) { + y = parseValue(y); + var xSign = x.isNegative(), ySign = y.isNegative(); + var xRem = xSign ? x.not() : x, + yRem = ySign ? y.not() : y; + var xDigit = 0, yDigit = 0; + var xDivMod = null, yDivMod = null; + var result = []; + while (!xRem.isZero() || !yRem.isZero()) { + xDivMod = divModAny(xRem, highestPower2); + xDigit = xDivMod[1].toJSNumber(); + if (xSign) { + xDigit = highestPower2 - 1 - xDigit; // two's complement for negative numbers + } + + yDivMod = divModAny(yRem, highestPower2); + yDigit = yDivMod[1].toJSNumber(); + if (ySign) { + yDigit = highestPower2 - 1 - yDigit; // two's complement for negative numbers + } + + xRem = xDivMod[0]; + yRem = yDivMod[0]; + result.push(fn(xDigit, yDigit)); + } + var sum = fn(xSign ? 1 : 0, ySign ? 1 : 0) !== 0 ? bigInt(-1) : bigInt(0); + for (var i = result.length - 1; i >= 0; i -= 1) { + sum = sum.multiply(highestPower2).add(bigInt(result[i])); + } + return sum; + } + + BigInteger.prototype.not = function () { + return this.negate().prev(); + }; + NativeBigInt.prototype.not = SmallInteger.prototype.not = BigInteger.prototype.not; + + BigInteger.prototype.and = function (n) { + return bitwise(this, n, function (a, b) { return a & b; }); + }; + NativeBigInt.prototype.and = SmallInteger.prototype.and = BigInteger.prototype.and; + + BigInteger.prototype.or = function (n) { + return bitwise(this, n, function (a, b) { return a | b; }); + }; + NativeBigInt.prototype.or = SmallInteger.prototype.or = BigInteger.prototype.or; + + BigInteger.prototype.xor = function (n) { + return bitwise(this, n, function (a, b) { return a ^ b; }); + }; + NativeBigInt.prototype.xor = SmallInteger.prototype.xor = BigInteger.prototype.xor; + + var LOBMASK_I = 1 << 30, LOBMASK_BI = (BASE & -BASE) * (BASE & -BASE) | LOBMASK_I; + function roughLOB(n) { // get lowestOneBit (rough) + // SmallInteger: return Min(lowestOneBit(n), 1 << 30) + // BigInteger: return Min(lowestOneBit(n), 1 << 14) [BASE=1e7] + var v = n.value, + x = typeof v === "number" ? v | LOBMASK_I : + typeof v === "bigint" ? v | BigInt(LOBMASK_I) : + v[0] + v[1] * BASE | LOBMASK_BI; + return x & -x; + } + + function integerLogarithm(value, base) { + if (base.compareTo(value) <= 0) { + var tmp = integerLogarithm(value, base.square(base)); + var p = tmp.p; + var e = tmp.e; + var t = p.multiply(base); + return t.compareTo(value) <= 0 ? { p: t, e: e * 2 + 1 } : { p: p, e: e * 2 }; + } + return { p: bigInt(1), e: 0 }; + } + + BigInteger.prototype.bitLength = function () { + var n = this; + if (n.compareTo(bigInt(0)) < 0) { + n = n.negate().subtract(bigInt(1)); + } + if (n.compareTo(bigInt(0)) === 0) { + return bigInt(0); + } + return bigInt(integerLogarithm(n, bigInt(2)).e).add(bigInt(1)); + } + NativeBigInt.prototype.bitLength = SmallInteger.prototype.bitLength = BigInteger.prototype.bitLength; + + function max(a, b) { + a = parseValue(a); + b = parseValue(b); + return a.greater(b) ? a : b; + } + function min(a, b) { + a = parseValue(a); + b = parseValue(b); + return a.lesser(b) ? a : b; + } + function gcd(a, b) { + a = parseValue(a).abs(); + b = parseValue(b).abs(); + if (a.equals(b)) return a; + if (a.isZero()) return b; + if (b.isZero()) return a; + var c = Integer[1], d, t; + while (a.isEven() && b.isEven()) { + d = min(roughLOB(a), roughLOB(b)); + a = a.divide(d); + b = b.divide(d); + c = c.multiply(d); + } + while (a.isEven()) { + a = a.divide(roughLOB(a)); + } + do { + while (b.isEven()) { + b = b.divide(roughLOB(b)); + } + if (a.greater(b)) { + t = b; b = a; a = t; + } + b = b.subtract(a); + } while (!b.isZero()); + return c.isUnit() ? a : a.multiply(c); + } + function lcm(a, b) { + a = parseValue(a).abs(); + b = parseValue(b).abs(); + return a.divide(gcd(a, b)).multiply(b); + } + function randBetween(a, b) { + a = parseValue(a); + b = parseValue(b); + var low = min(a, b), high = max(a, b); + var range = high.subtract(low).add(1); + if (range.isSmall) return low.add(Math.floor(Math.random() * range)); + var digits = toBase(range, BASE).value; + var result = [], restricted = true; + for (var i = 0; i < digits.length; i++) { + var top = restricted ? digits[i] : BASE; + var digit = truncate(Math.random() * top); + result.push(digit); + if (digit < top) restricted = false; + } + return low.add(Integer.fromArray(result, BASE, false)); + } + + var parseBase = function (text, base, alphabet, caseSensitive) { + alphabet = alphabet || DEFAULT_ALPHABET; + text = String(text); + if (!caseSensitive) { + text = text.toLowerCase(); + alphabet = alphabet.toLowerCase(); + } + var length = text.length; + var i; + var absBase = Math.abs(base); + var alphabetValues = {}; + for (i = 0; i < alphabet.length; i++) { + alphabetValues[alphabet[i]] = i; + } + for (i = 0; i < length; i++) { + var c = text[i]; + if (c === "-") continue; + if (c in alphabetValues) { + if (alphabetValues[c] >= absBase) { + if (c === "1" && absBase === 1) continue; + throw new Error(c + " is not a valid digit in base " + base + "."); + } + } + } + base = parseValue(base); + var digits = []; + var isNegative = text[0] === "-"; + for (i = isNegative ? 1 : 0; i < text.length; i++) { + var c = text[i]; + if (c in alphabetValues) digits.push(parseValue(alphabetValues[c])); + else if (c === "<") { + var start = i; + do { i++; } while (text[i] !== ">" && i < text.length); + digits.push(parseValue(text.slice(start + 1, i))); + } + else throw new Error(c + " is not a valid character"); + } + return parseBaseFromArray(digits, base, isNegative); + }; + + function parseBaseFromArray(digits, base, isNegative) { + var val = Integer[0], pow = Integer[1], i; + for (i = digits.length - 1; i >= 0; i--) { + val = val.add(digits[i].times(pow)); + pow = pow.times(base); + } + return isNegative ? val.negate() : val; + } + + function stringify(digit, alphabet) { + alphabet = alphabet || DEFAULT_ALPHABET; + if (digit < alphabet.length) { + return alphabet[digit]; + } + return "<" + digit + ">"; + } + + function toBase(n, base) { + base = bigInt(base); + if (base.isZero()) { + if (n.isZero()) return { value: [0], isNegative: false }; + throw new Error("Cannot convert nonzero numbers to base 0."); + } + if (base.equals(-1)) { + if (n.isZero()) return { value: [0], isNegative: false }; + if (n.isNegative()) + return { + value: [].concat.apply([], Array.apply(null, Array(-n.toJSNumber())) + .map(Array.prototype.valueOf, [1, 0]) + ), + isNegative: false + }; + + var arr = Array.apply(null, Array(n.toJSNumber() - 1)) + .map(Array.prototype.valueOf, [0, 1]); + arr.unshift([1]); + return { + value: [].concat.apply([], arr), + isNegative: false + }; + } + + var neg = false; + if (n.isNegative() && base.isPositive()) { + neg = true; + n = n.abs(); + } + if (base.isUnit()) { + if (n.isZero()) return { value: [0], isNegative: false }; + + return { + value: Array.apply(null, Array(n.toJSNumber())) + .map(Number.prototype.valueOf, 1), + isNegative: neg + }; + } + var out = []; + var left = n, divmod; + while (left.isNegative() || left.compareAbs(base) >= 0) { + divmod = left.divmod(base); + left = divmod.quotient; + var digit = divmod.remainder; + if (digit.isNegative()) { + digit = base.minus(digit).abs(); + left = left.next(); + } + out.push(digit.toJSNumber()); + } + out.push(left.toJSNumber()); + return { value: out.reverse(), isNegative: neg }; + } + + function toBaseString(n, base, alphabet) { + var arr = toBase(n, base); + return (arr.isNegative ? "-" : "") + arr.value.map(function (x) { + return stringify(x, alphabet); + }).join(''); + } + + BigInteger.prototype.toArray = function (radix) { + return toBase(this, radix); + }; + + SmallInteger.prototype.toArray = function (radix) { + return toBase(this, radix); + }; + + NativeBigInt.prototype.toArray = function (radix) { + return toBase(this, radix); + }; + + BigInteger.prototype.toString = function (radix, alphabet) { + if (radix === undefined) radix = 10; + if (radix !== 10) return toBaseString(this, radix, alphabet); + var v = this.value, l = v.length, str = String(v[--l]), zeros = "0000000", digit; + while (--l >= 0) { + digit = String(v[l]); + str += zeros.slice(digit.length) + digit; + } + var sign = this.sign ? "-" : ""; + return sign + str; + }; + + SmallInteger.prototype.toString = function (radix, alphabet) { + if (radix === undefined) radix = 10; + if (radix != 10) return toBaseString(this, radix, alphabet); + return String(this.value); + }; + + NativeBigInt.prototype.toString = SmallInteger.prototype.toString; + + NativeBigInt.prototype.toJSON = BigInteger.prototype.toJSON = SmallInteger.prototype.toJSON = function () { return this.toString(); } + + BigInteger.prototype.valueOf = function () { + return parseInt(this.toString(), 10); + }; + BigInteger.prototype.toJSNumber = BigInteger.prototype.valueOf; + + SmallInteger.prototype.valueOf = function () { + return this.value; + }; + SmallInteger.prototype.toJSNumber = SmallInteger.prototype.valueOf; + NativeBigInt.prototype.valueOf = NativeBigInt.prototype.toJSNumber = function () { + return parseInt(this.toString(), 10); + } + + function parseStringValue(v) { + if (isPrecise(+v)) { + var x = +v; + if (x === truncate(x)) + return supportsNativeBigInt ? new NativeBigInt(BigInt(x)) : new SmallInteger(x); + throw new Error("Invalid integer: " + v); + } + var sign = v[0] === "-"; + if (sign) v = v.slice(1); + var split = v.split(/e/i); + if (split.length > 2) throw new Error("Invalid integer: " + split.join("e")); + if (split.length === 2) { + var exp = split[1]; + if (exp[0] === "+") exp = exp.slice(1); + exp = +exp; + if (exp !== truncate(exp) || !isPrecise(exp)) throw new Error("Invalid integer: " + exp + " is not a valid exponent."); + var text = split[0]; + var decimalPlace = text.indexOf("."); + if (decimalPlace >= 0) { + exp -= text.length - decimalPlace - 1; + text = text.slice(0, decimalPlace) + text.slice(decimalPlace + 1); + } + if (exp < 0) throw new Error("Cannot include negative exponent part for integers"); + text += (new Array(exp + 1)).join("0"); + v = text; + } + var isValid = /^([0-9][0-9]*)$/.test(v); + if (!isValid) throw new Error("Invalid integer: " + v); + if (supportsNativeBigInt) { + return new NativeBigInt(BigInt(sign ? "-" + v : v)); + } + var r = [], max = v.length, l = LOG_BASE, min = max - l; + while (max > 0) { + r.push(+v.slice(min, max)); + min -= l; + if (min < 0) min = 0; + max -= l; + } + trim(r); + return new BigInteger(r, sign); + } + + function parseNumberValue(v) { + if (supportsNativeBigInt) { + return new NativeBigInt(BigInt(v)); + } + if (isPrecise(v)) { + if (v !== truncate(v)) throw new Error(v + " is not an integer."); + return new SmallInteger(v); + } + return parseStringValue(v.toString()); + } + + function parseValue(v) { + if (typeof v === "number") { + return parseNumberValue(v); + } + if (typeof v === "string") { + return parseStringValue(v); + } + if (typeof v === "bigint") { + return new NativeBigInt(v); + } + return v; + } + // Pre-define numbers in range [-999,999] + for (var i = 0; i < 1000; i++) { + Integer[i] = parseValue(i); + if (i > 0) Integer[-i] = parseValue(-i); + } + // Backwards compatibility + Integer.one = Integer[1]; + Integer.zero = Integer[0]; + Integer.minusOne = Integer[-1]; + Integer.max = max; + Integer.min = min; + Integer.gcd = gcd; + Integer.lcm = lcm; + Integer.isInstance = function (x) { return x instanceof BigInteger || x instanceof SmallInteger || x instanceof NativeBigInt; }; + Integer.randBetween = randBetween; + + Integer.fromArray = function (digits, base, isNegative) { + return parseBaseFromArray(digits.map(parseValue), parseValue(base || 10), isNegative); + }; + + return Integer; +})(); + +// Node.js check +if ( true && module.hasOwnProperty("exports")) { + module.exports = bigInt; +} + +//amd check +if (true) { + !(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_RESULT__ = (function () { + return bigInt; }).apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__), - __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)); -} + __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)); +} /***/ }), @@ -27200,1460 +27200,1460 @@ function fromByteArray (uint8) { /***/ ((module, exports, __webpack_require__) => { /* module decorator */ module = __webpack_require__.nmd(module); -var __WEBPACK_AMD_DEFINE_RESULT__;var bigInt = (function (undefined) { - "use strict"; - - var BASE = 1e7, - LOG_BASE = 7, - MAX_INT = 9007199254740992, - MAX_INT_ARR = smallToArray(MAX_INT), - DEFAULT_ALPHABET = "0123456789abcdefghijklmnopqrstuvwxyz"; - - var supportsNativeBigInt = typeof BigInt === "function"; - - function Integer(v, radix, alphabet, caseSensitive) { - if (typeof v === "undefined") return Integer[0]; - if (typeof radix !== "undefined") return +radix === 10 && !alphabet ? parseValue(v) : parseBase(v, radix, alphabet, caseSensitive); - return parseValue(v); - } - - function BigInteger(value, sign) { - this.value = value; - this.sign = sign; - this.isSmall = false; - } - BigInteger.prototype = Object.create(Integer.prototype); - - function SmallInteger(value) { - this.value = value; - this.sign = value < 0; - this.isSmall = true; - } - SmallInteger.prototype = Object.create(Integer.prototype); - - function NativeBigInt(value) { - this.value = value; - } - NativeBigInt.prototype = Object.create(Integer.prototype); - - function isPrecise(n) { - return -MAX_INT < n && n < MAX_INT; - } - - function smallToArray(n) { // For performance reasons doesn't reference BASE, need to change this function if BASE changes - if (n < 1e7) - return [n]; - if (n < 1e14) - return [n % 1e7, Math.floor(n / 1e7)]; - return [n % 1e7, Math.floor(n / 1e7) % 1e7, Math.floor(n / 1e14)]; - } - - function arrayToSmall(arr) { // If BASE changes this function may need to change - trim(arr); - var length = arr.length; - if (length < 4 && compareAbs(arr, MAX_INT_ARR) < 0) { - switch (length) { - case 0: return 0; - case 1: return arr[0]; - case 2: return arr[0] + arr[1] * BASE; - default: return arr[0] + (arr[1] + arr[2] * BASE) * BASE; - } - } - return arr; - } - - function trim(v) { - var i = v.length; - while (v[--i] === 0); - v.length = i + 1; - } - - function createArray(length) { // function shamelessly stolen from Yaffle's library https://github.com/Yaffle/BigInteger - var x = new Array(length); - var i = -1; - while (++i < length) { - x[i] = 0; - } - return x; - } - - function truncate(n) { - if (n > 0) return Math.floor(n); - return Math.ceil(n); - } - - function add(a, b) { // assumes a and b are arrays with a.length >= b.length - var l_a = a.length, - l_b = b.length, - r = new Array(l_a), - carry = 0, - base = BASE, - sum, i; - for (i = 0; i < l_b; i++) { - sum = a[i] + b[i] + carry; - carry = sum >= base ? 1 : 0; - r[i] = sum - carry * base; - } - while (i < l_a) { - sum = a[i] + carry; - carry = sum === base ? 1 : 0; - r[i++] = sum - carry * base; - } - if (carry > 0) r.push(carry); - return r; - } - - function addAny(a, b) { - if (a.length >= b.length) return add(a, b); - return add(b, a); - } - - function addSmall(a, carry) { // assumes a is array, carry is number with 0 <= carry < MAX_INT - var l = a.length, - r = new Array(l), - base = BASE, - sum, i; - for (i = 0; i < l; i++) { - sum = a[i] - base + carry; - carry = Math.floor(sum / base); - r[i] = sum - carry * base; - carry += 1; - } - while (carry > 0) { - r[i++] = carry % base; - carry = Math.floor(carry / base); - } - return r; - } - - BigInteger.prototype.add = function (v) { - var n = parseValue(v); - if (this.sign !== n.sign) { - return this.subtract(n.negate()); - } - var a = this.value, b = n.value; - if (n.isSmall) { - return new BigInteger(addSmall(a, Math.abs(b)), this.sign); - } - return new BigInteger(addAny(a, b), this.sign); - }; - BigInteger.prototype.plus = BigInteger.prototype.add; - - SmallInteger.prototype.add = function (v) { - var n = parseValue(v); - var a = this.value; - if (a < 0 !== n.sign) { - return this.subtract(n.negate()); - } - var b = n.value; - if (n.isSmall) { - if (isPrecise(a + b)) return new SmallInteger(a + b); - b = smallToArray(Math.abs(b)); - } - return new BigInteger(addSmall(b, Math.abs(a)), a < 0); - }; - SmallInteger.prototype.plus = SmallInteger.prototype.add; - - NativeBigInt.prototype.add = function (v) { - return new NativeBigInt(this.value + parseValue(v).value); - } - NativeBigInt.prototype.plus = NativeBigInt.prototype.add; - - function subtract(a, b) { // assumes a and b are arrays with a >= b - var a_l = a.length, - b_l = b.length, - r = new Array(a_l), - borrow = 0, - base = BASE, - i, difference; - for (i = 0; i < b_l; i++) { - difference = a[i] - borrow - b[i]; - if (difference < 0) { - difference += base; - borrow = 1; - } else borrow = 0; - r[i] = difference; - } - for (i = b_l; i < a_l; i++) { - difference = a[i] - borrow; - if (difference < 0) difference += base; - else { - r[i++] = difference; - break; - } - r[i] = difference; - } - for (; i < a_l; i++) { - r[i] = a[i]; - } - trim(r); - return r; - } - - function subtractAny(a, b, sign) { - var value; - if (compareAbs(a, b) >= 0) { - value = subtract(a, b); - } else { - value = subtract(b, a); - sign = !sign; - } - value = arrayToSmall(value); - if (typeof value === "number") { - if (sign) value = -value; - return new SmallInteger(value); - } - return new BigInteger(value, sign); - } - - function subtractSmall(a, b, sign) { // assumes a is array, b is number with 0 <= b < MAX_INT - var l = a.length, - r = new Array(l), - carry = -b, - base = BASE, - i, difference; - for (i = 0; i < l; i++) { - difference = a[i] + carry; - carry = Math.floor(difference / base); - difference %= base; - r[i] = difference < 0 ? difference + base : difference; - } - r = arrayToSmall(r); - if (typeof r === "number") { - if (sign) r = -r; - return new SmallInteger(r); - } return new BigInteger(r, sign); - } - - BigInteger.prototype.subtract = function (v) { - var n = parseValue(v); - if (this.sign !== n.sign) { - return this.add(n.negate()); - } - var a = this.value, b = n.value; - if (n.isSmall) - return subtractSmall(a, Math.abs(b), this.sign); - return subtractAny(a, b, this.sign); - }; - BigInteger.prototype.minus = BigInteger.prototype.subtract; - - SmallInteger.prototype.subtract = function (v) { - var n = parseValue(v); - var a = this.value; - if (a < 0 !== n.sign) { - return this.add(n.negate()); - } - var b = n.value; - if (n.isSmall) { - return new SmallInteger(a - b); - } - return subtractSmall(b, Math.abs(a), a >= 0); - }; - SmallInteger.prototype.minus = SmallInteger.prototype.subtract; - - NativeBigInt.prototype.subtract = function (v) { - return new NativeBigInt(this.value - parseValue(v).value); - } - NativeBigInt.prototype.minus = NativeBigInt.prototype.subtract; - - BigInteger.prototype.negate = function () { - return new BigInteger(this.value, !this.sign); - }; - SmallInteger.prototype.negate = function () { - var sign = this.sign; - var small = new SmallInteger(-this.value); - small.sign = !sign; - return small; - }; - NativeBigInt.prototype.negate = function () { - return new NativeBigInt(-this.value); - } - - BigInteger.prototype.abs = function () { - return new BigInteger(this.value, false); - }; - SmallInteger.prototype.abs = function () { - return new SmallInteger(Math.abs(this.value)); - }; - NativeBigInt.prototype.abs = function () { - return new NativeBigInt(this.value >= 0 ? this.value : -this.value); - } - - - function multiplyLong(a, b) { - var a_l = a.length, - b_l = b.length, - l = a_l + b_l, - r = createArray(l), - base = BASE, - product, carry, i, a_i, b_j; - for (i = 0; i < a_l; ++i) { - a_i = a[i]; - for (var j = 0; j < b_l; ++j) { - b_j = b[j]; - product = a_i * b_j + r[i + j]; - carry = Math.floor(product / base); - r[i + j] = product - carry * base; - r[i + j + 1] += carry; - } - } - trim(r); - return r; - } - - function multiplySmall(a, b) { // assumes a is array, b is number with |b| < BASE - var l = a.length, - r = new Array(l), - base = BASE, - carry = 0, - product, i; - for (i = 0; i < l; i++) { - product = a[i] * b + carry; - carry = Math.floor(product / base); - r[i] = product - carry * base; - } - while (carry > 0) { - r[i++] = carry % base; - carry = Math.floor(carry / base); - } - return r; - } - - function shiftLeft(x, n) { - var r = []; - while (n-- > 0) r.push(0); - return r.concat(x); - } - - function multiplyKaratsuba(x, y) { - var n = Math.max(x.length, y.length); - - if (n <= 30) return multiplyLong(x, y); - n = Math.ceil(n / 2); - - var b = x.slice(n), - a = x.slice(0, n), - d = y.slice(n), - c = y.slice(0, n); - - var ac = multiplyKaratsuba(a, c), - bd = multiplyKaratsuba(b, d), - abcd = multiplyKaratsuba(addAny(a, b), addAny(c, d)); - - var product = addAny(addAny(ac, shiftLeft(subtract(subtract(abcd, ac), bd), n)), shiftLeft(bd, 2 * n)); - trim(product); - return product; - } - - // The following function is derived from a surface fit of a graph plotting the performance difference - // between long multiplication and karatsuba multiplication versus the lengths of the two arrays. - function useKaratsuba(l1, l2) { - return -0.012 * l1 - 0.012 * l2 + 0.000015 * l1 * l2 > 0; - } - - BigInteger.prototype.multiply = function (v) { - var n = parseValue(v), - a = this.value, b = n.value, - sign = this.sign !== n.sign, - abs; - if (n.isSmall) { - if (b === 0) return Integer[0]; - if (b === 1) return this; - if (b === -1) return this.negate(); - abs = Math.abs(b); - if (abs < BASE) { - return new BigInteger(multiplySmall(a, abs), sign); - } - b = smallToArray(abs); - } - if (useKaratsuba(a.length, b.length)) // Karatsuba is only faster for certain array sizes - return new BigInteger(multiplyKaratsuba(a, b), sign); - return new BigInteger(multiplyLong(a, b), sign); - }; - - BigInteger.prototype.times = BigInteger.prototype.multiply; - - function multiplySmallAndArray(a, b, sign) { // a >= 0 - if (a < BASE) { - return new BigInteger(multiplySmall(b, a), sign); - } - return new BigInteger(multiplyLong(b, smallToArray(a)), sign); - } - SmallInteger.prototype._multiplyBySmall = function (a) { - if (isPrecise(a.value * this.value)) { - return new SmallInteger(a.value * this.value); - } - return multiplySmallAndArray(Math.abs(a.value), smallToArray(Math.abs(this.value)), this.sign !== a.sign); - }; - BigInteger.prototype._multiplyBySmall = function (a) { - if (a.value === 0) return Integer[0]; - if (a.value === 1) return this; - if (a.value === -1) return this.negate(); - return multiplySmallAndArray(Math.abs(a.value), this.value, this.sign !== a.sign); - }; - SmallInteger.prototype.multiply = function (v) { - return parseValue(v)._multiplyBySmall(this); - }; - SmallInteger.prototype.times = SmallInteger.prototype.multiply; - - NativeBigInt.prototype.multiply = function (v) { - return new NativeBigInt(this.value * parseValue(v).value); - } - NativeBigInt.prototype.times = NativeBigInt.prototype.multiply; - - function square(a) { - //console.assert(2 * BASE * BASE < MAX_INT); - var l = a.length, - r = createArray(l + l), - base = BASE, - product, carry, i, a_i, a_j; - for (i = 0; i < l; i++) { - a_i = a[i]; - carry = 0 - a_i * a_i; - for (var j = i; j < l; j++) { - a_j = a[j]; - product = 2 * (a_i * a_j) + r[i + j] + carry; - carry = Math.floor(product / base); - r[i + j] = product - carry * base; - } - r[i + l] = carry; - } - trim(r); - return r; - } - - BigInteger.prototype.square = function () { - return new BigInteger(square(this.value), false); - }; - - SmallInteger.prototype.square = function () { - var value = this.value * this.value; - if (isPrecise(value)) return new SmallInteger(value); - return new BigInteger(square(smallToArray(Math.abs(this.value))), false); - }; - - NativeBigInt.prototype.square = function (v) { - return new NativeBigInt(this.value * this.value); - } - - function divMod1(a, b) { // Left over from previous version. Performs faster than divMod2 on smaller input sizes. - var a_l = a.length, - b_l = b.length, - base = BASE, - result = createArray(b.length), - divisorMostSignificantDigit = b[b_l - 1], - // normalization - lambda = Math.ceil(base / (2 * divisorMostSignificantDigit)), - remainder = multiplySmall(a, lambda), - divisor = multiplySmall(b, lambda), - quotientDigit, shift, carry, borrow, i, l, q; - if (remainder.length <= a_l) remainder.push(0); - divisor.push(0); - divisorMostSignificantDigit = divisor[b_l - 1]; - for (shift = a_l - b_l; shift >= 0; shift--) { - quotientDigit = base - 1; - if (remainder[shift + b_l] !== divisorMostSignificantDigit) { - quotientDigit = Math.floor((remainder[shift + b_l] * base + remainder[shift + b_l - 1]) / divisorMostSignificantDigit); - } - // quotientDigit <= base - 1 - carry = 0; - borrow = 0; - l = divisor.length; - for (i = 0; i < l; i++) { - carry += quotientDigit * divisor[i]; - q = Math.floor(carry / base); - borrow += remainder[shift + i] - (carry - q * base); - carry = q; - if (borrow < 0) { - remainder[shift + i] = borrow + base; - borrow = -1; - } else { - remainder[shift + i] = borrow; - borrow = 0; - } - } - while (borrow !== 0) { - quotientDigit -= 1; - carry = 0; - for (i = 0; i < l; i++) { - carry += remainder[shift + i] - base + divisor[i]; - if (carry < 0) { - remainder[shift + i] = carry + base; - carry = 0; - } else { - remainder[shift + i] = carry; - carry = 1; - } - } - borrow += carry; - } - result[shift] = quotientDigit; - } - // denormalization - remainder = divModSmall(remainder, lambda)[0]; - return [arrayToSmall(result), arrayToSmall(remainder)]; - } - - function divMod2(a, b) { // Implementation idea shamelessly stolen from Silent Matt's library http://silentmatt.com/biginteger/ - // Performs faster than divMod1 on larger input sizes. - var a_l = a.length, - b_l = b.length, - result = [], - part = [], - base = BASE, - guess, xlen, highx, highy, check; - while (a_l) { - part.unshift(a[--a_l]); - trim(part); - if (compareAbs(part, b) < 0) { - result.push(0); - continue; - } - xlen = part.length; - highx = part[xlen - 1] * base + part[xlen - 2]; - highy = b[b_l - 1] * base + b[b_l - 2]; - if (xlen > b_l) { - highx = (highx + 1) * base; - } - guess = Math.ceil(highx / highy); - do { - check = multiplySmall(b, guess); - if (compareAbs(check, part) <= 0) break; - guess--; - } while (guess); - result.push(guess); - part = subtract(part, check); - } - result.reverse(); - return [arrayToSmall(result), arrayToSmall(part)]; - } - - function divModSmall(value, lambda) { - var length = value.length, - quotient = createArray(length), - base = BASE, - i, q, remainder, divisor; - remainder = 0; - for (i = length - 1; i >= 0; --i) { - divisor = remainder * base + value[i]; - q = truncate(divisor / lambda); - remainder = divisor - q * lambda; - quotient[i] = q | 0; - } - return [quotient, remainder | 0]; - } - - function divModAny(self, v) { - var value, n = parseValue(v); - if (supportsNativeBigInt) { - return [new NativeBigInt(self.value / n.value), new NativeBigInt(self.value % n.value)]; - } - var a = self.value, b = n.value; - var quotient; - if (b === 0) throw new Error("Cannot divide by zero"); - if (self.isSmall) { - if (n.isSmall) { - return [new SmallInteger(truncate(a / b)), new SmallInteger(a % b)]; - } - return [Integer[0], self]; - } - if (n.isSmall) { - if (b === 1) return [self, Integer[0]]; - if (b == -1) return [self.negate(), Integer[0]]; - var abs = Math.abs(b); - if (abs < BASE) { - value = divModSmall(a, abs); - quotient = arrayToSmall(value[0]); - var remainder = value[1]; - if (self.sign) remainder = -remainder; - if (typeof quotient === "number") { - if (self.sign !== n.sign) quotient = -quotient; - return [new SmallInteger(quotient), new SmallInteger(remainder)]; - } - return [new BigInteger(quotient, self.sign !== n.sign), new SmallInteger(remainder)]; - } - b = smallToArray(abs); - } - var comparison = compareAbs(a, b); - if (comparison === -1) return [Integer[0], self]; - if (comparison === 0) return [Integer[self.sign === n.sign ? 1 : -1], Integer[0]]; - - // divMod1 is faster on smaller input sizes - if (a.length + b.length <= 200) - value = divMod1(a, b); - else value = divMod2(a, b); - - quotient = value[0]; - var qSign = self.sign !== n.sign, - mod = value[1], - mSign = self.sign; - if (typeof quotient === "number") { - if (qSign) quotient = -quotient; - quotient = new SmallInteger(quotient); - } else quotient = new BigInteger(quotient, qSign); - if (typeof mod === "number") { - if (mSign) mod = -mod; - mod = new SmallInteger(mod); - } else mod = new BigInteger(mod, mSign); - return [quotient, mod]; - } - - BigInteger.prototype.divmod = function (v) { - var result = divModAny(this, v); - return { - quotient: result[0], - remainder: result[1] - }; - }; - NativeBigInt.prototype.divmod = SmallInteger.prototype.divmod = BigInteger.prototype.divmod; - - - BigInteger.prototype.divide = function (v) { - return divModAny(this, v)[0]; - }; - NativeBigInt.prototype.over = NativeBigInt.prototype.divide = function (v) { - return new NativeBigInt(this.value / parseValue(v).value); - }; - SmallInteger.prototype.over = SmallInteger.prototype.divide = BigInteger.prototype.over = BigInteger.prototype.divide; - - BigInteger.prototype.mod = function (v) { - return divModAny(this, v)[1]; - }; - NativeBigInt.prototype.mod = NativeBigInt.prototype.remainder = function (v) { - return new NativeBigInt(this.value % parseValue(v).value); - }; - SmallInteger.prototype.remainder = SmallInteger.prototype.mod = BigInteger.prototype.remainder = BigInteger.prototype.mod; - - BigInteger.prototype.pow = function (v) { - var n = parseValue(v), - a = this.value, - b = n.value, - value, x, y; - if (b === 0) return Integer[1]; - if (a === 0) return Integer[0]; - if (a === 1) return Integer[1]; - if (a === -1) return n.isEven() ? Integer[1] : Integer[-1]; - if (n.sign) { - return Integer[0]; - } - if (!n.isSmall) throw new Error("The exponent " + n.toString() + " is too large."); - if (this.isSmall) { - if (isPrecise(value = Math.pow(a, b))) - return new SmallInteger(truncate(value)); - } - x = this; - y = Integer[1]; - while (true) { - if (b & 1 === 1) { - y = y.times(x); - --b; - } - if (b === 0) break; - b /= 2; - x = x.square(); - } - return y; - }; - SmallInteger.prototype.pow = BigInteger.prototype.pow; - - NativeBigInt.prototype.pow = function (v) { - var n = parseValue(v); - var a = this.value, b = n.value; - var _0 = BigInt(0), _1 = BigInt(1), _2 = BigInt(2); - if (b === _0) return Integer[1]; - if (a === _0) return Integer[0]; - if (a === _1) return Integer[1]; - if (a === BigInt(-1)) return n.isEven() ? Integer[1] : Integer[-1]; - if (n.isNegative()) return new NativeBigInt(_0); - var x = this; - var y = Integer[1]; - while (true) { - if ((b & _1) === _1) { - y = y.times(x); - --b; - } - if (b === _0) break; - b /= _2; - x = x.square(); - } - return y; - } - - BigInteger.prototype.modPow = function (exp, mod) { - exp = parseValue(exp); - mod = parseValue(mod); - if (mod.isZero()) throw new Error("Cannot take modPow with modulus 0"); - var r = Integer[1], - base = this.mod(mod); - if (exp.isNegative()) { - exp = exp.multiply(Integer[-1]); - base = base.modInv(mod); - } - while (exp.isPositive()) { - if (base.isZero()) return Integer[0]; - if (exp.isOdd()) r = r.multiply(base).mod(mod); - exp = exp.divide(2); - base = base.square().mod(mod); - } - return r; - }; - NativeBigInt.prototype.modPow = SmallInteger.prototype.modPow = BigInteger.prototype.modPow; - - function compareAbs(a, b) { - if (a.length !== b.length) { - return a.length > b.length ? 1 : -1; - } - for (var i = a.length - 1; i >= 0; i--) { - if (a[i] !== b[i]) return a[i] > b[i] ? 1 : -1; - } - return 0; - } - - BigInteger.prototype.compareAbs = function (v) { - var n = parseValue(v), - a = this.value, - b = n.value; - if (n.isSmall) return 1; - return compareAbs(a, b); - }; - SmallInteger.prototype.compareAbs = function (v) { - var n = parseValue(v), - a = Math.abs(this.value), - b = n.value; - if (n.isSmall) { - b = Math.abs(b); - return a === b ? 0 : a > b ? 1 : -1; - } - return -1; - }; - NativeBigInt.prototype.compareAbs = function (v) { - var a = this.value; - var b = parseValue(v).value; - a = a >= 0 ? a : -a; - b = b >= 0 ? b : -b; - return a === b ? 0 : a > b ? 1 : -1; - } - - BigInteger.prototype.compare = function (v) { - // See discussion about comparison with Infinity: - // https://github.com/peterolson/BigInteger.js/issues/61 - if (v === Infinity) { - return -1; - } - if (v === -Infinity) { - return 1; - } - - var n = parseValue(v), - a = this.value, - b = n.value; - if (this.sign !== n.sign) { - return n.sign ? 1 : -1; - } - if (n.isSmall) { - return this.sign ? -1 : 1; - } - return compareAbs(a, b) * (this.sign ? -1 : 1); - }; - BigInteger.prototype.compareTo = BigInteger.prototype.compare; - - SmallInteger.prototype.compare = function (v) { - if (v === Infinity) { - return -1; - } - if (v === -Infinity) { - return 1; - } - - var n = parseValue(v), - a = this.value, - b = n.value; - if (n.isSmall) { - return a == b ? 0 : a > b ? 1 : -1; - } - if (a < 0 !== n.sign) { - return a < 0 ? -1 : 1; - } - return a < 0 ? 1 : -1; - }; - SmallInteger.prototype.compareTo = SmallInteger.prototype.compare; - - NativeBigInt.prototype.compare = function (v) { - if (v === Infinity) { - return -1; - } - if (v === -Infinity) { - return 1; - } - var a = this.value; - var b = parseValue(v).value; - return a === b ? 0 : a > b ? 1 : -1; - } - NativeBigInt.prototype.compareTo = NativeBigInt.prototype.compare; - - BigInteger.prototype.equals = function (v) { - return this.compare(v) === 0; - }; - NativeBigInt.prototype.eq = NativeBigInt.prototype.equals = SmallInteger.prototype.eq = SmallInteger.prototype.equals = BigInteger.prototype.eq = BigInteger.prototype.equals; - - BigInteger.prototype.notEquals = function (v) { - return this.compare(v) !== 0; - }; - NativeBigInt.prototype.neq = NativeBigInt.prototype.notEquals = SmallInteger.prototype.neq = SmallInteger.prototype.notEquals = BigInteger.prototype.neq = BigInteger.prototype.notEquals; - - BigInteger.prototype.greater = function (v) { - return this.compare(v) > 0; - }; - NativeBigInt.prototype.gt = NativeBigInt.prototype.greater = SmallInteger.prototype.gt = SmallInteger.prototype.greater = BigInteger.prototype.gt = BigInteger.prototype.greater; - - BigInteger.prototype.lesser = function (v) { - return this.compare(v) < 0; - }; - NativeBigInt.prototype.lt = NativeBigInt.prototype.lesser = SmallInteger.prototype.lt = SmallInteger.prototype.lesser = BigInteger.prototype.lt = BigInteger.prototype.lesser; - - BigInteger.prototype.greaterOrEquals = function (v) { - return this.compare(v) >= 0; - }; - NativeBigInt.prototype.geq = NativeBigInt.prototype.greaterOrEquals = SmallInteger.prototype.geq = SmallInteger.prototype.greaterOrEquals = BigInteger.prototype.geq = BigInteger.prototype.greaterOrEquals; - - BigInteger.prototype.lesserOrEquals = function (v) { - return this.compare(v) <= 0; - }; - NativeBigInt.prototype.leq = NativeBigInt.prototype.lesserOrEquals = SmallInteger.prototype.leq = SmallInteger.prototype.lesserOrEquals = BigInteger.prototype.leq = BigInteger.prototype.lesserOrEquals; - - BigInteger.prototype.isEven = function () { - return (this.value[0] & 1) === 0; - }; - SmallInteger.prototype.isEven = function () { - return (this.value & 1) === 0; - }; - NativeBigInt.prototype.isEven = function () { - return (this.value & BigInt(1)) === BigInt(0); - } - - BigInteger.prototype.isOdd = function () { - return (this.value[0] & 1) === 1; - }; - SmallInteger.prototype.isOdd = function () { - return (this.value & 1) === 1; - }; - NativeBigInt.prototype.isOdd = function () { - return (this.value & BigInt(1)) === BigInt(1); - } - - BigInteger.prototype.isPositive = function () { - return !this.sign; - }; - SmallInteger.prototype.isPositive = function () { - return this.value > 0; - }; - NativeBigInt.prototype.isPositive = SmallInteger.prototype.isPositive; - - BigInteger.prototype.isNegative = function () { - return this.sign; - }; - SmallInteger.prototype.isNegative = function () { - return this.value < 0; - }; - NativeBigInt.prototype.isNegative = SmallInteger.prototype.isNegative; - - BigInteger.prototype.isUnit = function () { - return false; - }; - SmallInteger.prototype.isUnit = function () { - return Math.abs(this.value) === 1; - }; - NativeBigInt.prototype.isUnit = function () { - return this.abs().value === BigInt(1); - } - - BigInteger.prototype.isZero = function () { - return false; - }; - SmallInteger.prototype.isZero = function () { - return this.value === 0; - }; - NativeBigInt.prototype.isZero = function () { - return this.value === BigInt(0); - } - - BigInteger.prototype.isDivisibleBy = function (v) { - var n = parseValue(v); - if (n.isZero()) return false; - if (n.isUnit()) return true; - if (n.compareAbs(2) === 0) return this.isEven(); - return this.mod(n).isZero(); - }; - NativeBigInt.prototype.isDivisibleBy = SmallInteger.prototype.isDivisibleBy = BigInteger.prototype.isDivisibleBy; - - function isBasicPrime(v) { - var n = v.abs(); - if (n.isUnit()) return false; - if (n.equals(2) || n.equals(3) || n.equals(5)) return true; - if (n.isEven() || n.isDivisibleBy(3) || n.isDivisibleBy(5)) return false; - if (n.lesser(49)) return true; - // we don't know if it's prime: let the other functions figure it out - } - - function millerRabinTest(n, a) { - var nPrev = n.prev(), - b = nPrev, - r = 0, - d, t, i, x; - while (b.isEven()) b = b.divide(2), r++; - next: for (i = 0; i < a.length; i++) { - if (n.lesser(a[i])) continue; - x = bigInt(a[i]).modPow(b, n); - if (x.isUnit() || x.equals(nPrev)) continue; - for (d = r - 1; d != 0; d--) { - x = x.square().mod(n); - if (x.isUnit()) return false; - if (x.equals(nPrev)) continue next; - } - return false; - } - return true; - } - - // Set "strict" to true to force GRH-supported lower bound of 2*log(N)^2 - BigInteger.prototype.isPrime = function (strict) { - var isPrime = isBasicPrime(this); - if (isPrime !== undefined) return isPrime; - var n = this.abs(); - var bits = n.bitLength(); - if (bits <= 64) - return millerRabinTest(n, [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37]); - var logN = Math.log(2) * bits.toJSNumber(); - var t = Math.ceil((strict === true) ? (2 * Math.pow(logN, 2)) : logN); - for (var a = [], i = 0; i < t; i++) { - a.push(bigInt(i + 2)); - } - return millerRabinTest(n, a); - }; - NativeBigInt.prototype.isPrime = SmallInteger.prototype.isPrime = BigInteger.prototype.isPrime; - - BigInteger.prototype.isProbablePrime = function (iterations, rng) { - var isPrime = isBasicPrime(this); - if (isPrime !== undefined) return isPrime; - var n = this.abs(); - var t = iterations === undefined ? 5 : iterations; - for (var a = [], i = 0; i < t; i++) { - a.push(bigInt.randBetween(2, n.minus(2), rng)); - } - return millerRabinTest(n, a); - }; - NativeBigInt.prototype.isProbablePrime = SmallInteger.prototype.isProbablePrime = BigInteger.prototype.isProbablePrime; - - BigInteger.prototype.modInv = function (n) { - var t = bigInt.zero, newT = bigInt.one, r = parseValue(n), newR = this.abs(), q, lastT, lastR; - while (!newR.isZero()) { - q = r.divide(newR); - lastT = t; - lastR = r; - t = newT; - r = newR; - newT = lastT.subtract(q.multiply(newT)); - newR = lastR.subtract(q.multiply(newR)); - } - if (!r.isUnit()) throw new Error(this.toString() + " and " + n.toString() + " are not co-prime"); - if (t.compare(0) === -1) { - t = t.add(n); - } - if (this.isNegative()) { - return t.negate(); - } - return t; - }; - - NativeBigInt.prototype.modInv = SmallInteger.prototype.modInv = BigInteger.prototype.modInv; - - BigInteger.prototype.next = function () { - var value = this.value; - if (this.sign) { - return subtractSmall(value, 1, this.sign); - } - return new BigInteger(addSmall(value, 1), this.sign); - }; - SmallInteger.prototype.next = function () { - var value = this.value; - if (value + 1 < MAX_INT) return new SmallInteger(value + 1); - return new BigInteger(MAX_INT_ARR, false); - }; - NativeBigInt.prototype.next = function () { - return new NativeBigInt(this.value + BigInt(1)); - } - - BigInteger.prototype.prev = function () { - var value = this.value; - if (this.sign) { - return new BigInteger(addSmall(value, 1), true); - } - return subtractSmall(value, 1, this.sign); - }; - SmallInteger.prototype.prev = function () { - var value = this.value; - if (value - 1 > -MAX_INT) return new SmallInteger(value - 1); - return new BigInteger(MAX_INT_ARR, true); - }; - NativeBigInt.prototype.prev = function () { - return new NativeBigInt(this.value - BigInt(1)); - } - - var powersOfTwo = [1]; - while (2 * powersOfTwo[powersOfTwo.length - 1] <= BASE) powersOfTwo.push(2 * powersOfTwo[powersOfTwo.length - 1]); - var powers2Length = powersOfTwo.length, highestPower2 = powersOfTwo[powers2Length - 1]; - - function shift_isSmall(n) { - return Math.abs(n) <= BASE; - } - - BigInteger.prototype.shiftLeft = function (v) { - var n = parseValue(v).toJSNumber(); - if (!shift_isSmall(n)) { - throw new Error(String(n) + " is too large for shifting."); - } - if (n < 0) return this.shiftRight(-n); - var result = this; - if (result.isZero()) return result; - while (n >= powers2Length) { - result = result.multiply(highestPower2); - n -= powers2Length - 1; - } - return result.multiply(powersOfTwo[n]); - }; - NativeBigInt.prototype.shiftLeft = SmallInteger.prototype.shiftLeft = BigInteger.prototype.shiftLeft; - - BigInteger.prototype.shiftRight = function (v) { - var remQuo; - var n = parseValue(v).toJSNumber(); - if (!shift_isSmall(n)) { - throw new Error(String(n) + " is too large for shifting."); - } - if (n < 0) return this.shiftLeft(-n); - var result = this; - while (n >= powers2Length) { - if (result.isZero() || (result.isNegative() && result.isUnit())) return result; - remQuo = divModAny(result, highestPower2); - result = remQuo[1].isNegative() ? remQuo[0].prev() : remQuo[0]; - n -= powers2Length - 1; - } - remQuo = divModAny(result, powersOfTwo[n]); - return remQuo[1].isNegative() ? remQuo[0].prev() : remQuo[0]; - }; - NativeBigInt.prototype.shiftRight = SmallInteger.prototype.shiftRight = BigInteger.prototype.shiftRight; - - function bitwise(x, y, fn) { - y = parseValue(y); - var xSign = x.isNegative(), ySign = y.isNegative(); - var xRem = xSign ? x.not() : x, - yRem = ySign ? y.not() : y; - var xDigit = 0, yDigit = 0; - var xDivMod = null, yDivMod = null; - var result = []; - while (!xRem.isZero() || !yRem.isZero()) { - xDivMod = divModAny(xRem, highestPower2); - xDigit = xDivMod[1].toJSNumber(); - if (xSign) { - xDigit = highestPower2 - 1 - xDigit; // two's complement for negative numbers - } - - yDivMod = divModAny(yRem, highestPower2); - yDigit = yDivMod[1].toJSNumber(); - if (ySign) { - yDigit = highestPower2 - 1 - yDigit; // two's complement for negative numbers - } - - xRem = xDivMod[0]; - yRem = yDivMod[0]; - result.push(fn(xDigit, yDigit)); - } - var sum = fn(xSign ? 1 : 0, ySign ? 1 : 0) !== 0 ? bigInt(-1) : bigInt(0); - for (var i = result.length - 1; i >= 0; i -= 1) { - sum = sum.multiply(highestPower2).add(bigInt(result[i])); - } - return sum; - } - - BigInteger.prototype.not = function () { - return this.negate().prev(); - }; - NativeBigInt.prototype.not = SmallInteger.prototype.not = BigInteger.prototype.not; - - BigInteger.prototype.and = function (n) { - return bitwise(this, n, function (a, b) { return a & b; }); - }; - NativeBigInt.prototype.and = SmallInteger.prototype.and = BigInteger.prototype.and; - - BigInteger.prototype.or = function (n) { - return bitwise(this, n, function (a, b) { return a | b; }); - }; - NativeBigInt.prototype.or = SmallInteger.prototype.or = BigInteger.prototype.or; - - BigInteger.prototype.xor = function (n) { - return bitwise(this, n, function (a, b) { return a ^ b; }); - }; - NativeBigInt.prototype.xor = SmallInteger.prototype.xor = BigInteger.prototype.xor; - - var LOBMASK_I = 1 << 30, LOBMASK_BI = (BASE & -BASE) * (BASE & -BASE) | LOBMASK_I; - function roughLOB(n) { // get lowestOneBit (rough) - // SmallInteger: return Min(lowestOneBit(n), 1 << 30) - // BigInteger: return Min(lowestOneBit(n), 1 << 14) [BASE=1e7] - var v = n.value, - x = typeof v === "number" ? v | LOBMASK_I : - typeof v === "bigint" ? v | BigInt(LOBMASK_I) : - v[0] + v[1] * BASE | LOBMASK_BI; - return x & -x; - } - - function integerLogarithm(value, base) { - if (base.compareTo(value) <= 0) { - var tmp = integerLogarithm(value, base.square(base)); - var p = tmp.p; - var e = tmp.e; - var t = p.multiply(base); - return t.compareTo(value) <= 0 ? { p: t, e: e * 2 + 1 } : { p: p, e: e * 2 }; - } - return { p: bigInt(1), e: 0 }; - } - - BigInteger.prototype.bitLength = function () { - var n = this; - if (n.compareTo(bigInt(0)) < 0) { - n = n.negate().subtract(bigInt(1)); - } - if (n.compareTo(bigInt(0)) === 0) { - return bigInt(0); - } - return bigInt(integerLogarithm(n, bigInt(2)).e).add(bigInt(1)); - } - NativeBigInt.prototype.bitLength = SmallInteger.prototype.bitLength = BigInteger.prototype.bitLength; - - function max(a, b) { - a = parseValue(a); - b = parseValue(b); - return a.greater(b) ? a : b; - } - function min(a, b) { - a = parseValue(a); - b = parseValue(b); - return a.lesser(b) ? a : b; - } - function gcd(a, b) { - a = parseValue(a).abs(); - b = parseValue(b).abs(); - if (a.equals(b)) return a; - if (a.isZero()) return b; - if (b.isZero()) return a; - var c = Integer[1], d, t; - while (a.isEven() && b.isEven()) { - d = min(roughLOB(a), roughLOB(b)); - a = a.divide(d); - b = b.divide(d); - c = c.multiply(d); - } - while (a.isEven()) { - a = a.divide(roughLOB(a)); - } - do { - while (b.isEven()) { - b = b.divide(roughLOB(b)); - } - if (a.greater(b)) { - t = b; b = a; a = t; - } - b = b.subtract(a); - } while (!b.isZero()); - return c.isUnit() ? a : a.multiply(c); - } - function lcm(a, b) { - a = parseValue(a).abs(); - b = parseValue(b).abs(); - return a.divide(gcd(a, b)).multiply(b); - } - function randBetween(a, b, rng) { - a = parseValue(a); - b = parseValue(b); - var usedRNG = rng || Math.random; - var low = min(a, b), high = max(a, b); - var range = high.subtract(low).add(1); - if (range.isSmall) return low.add(Math.floor(usedRNG() * range)); - var digits = toBase(range, BASE).value; - var result = [], restricted = true; - for (var i = 0; i < digits.length; i++) { - var top = restricted ? digits[i] + (i + 1 < digits.length ? digits[i + 1] / BASE : 0) : BASE; - var digit = truncate(usedRNG() * top); - result.push(digit); - if (digit < digits[i]) restricted = false; - } - return low.add(Integer.fromArray(result, BASE, false)); - } - - var parseBase = function (text, base, alphabet, caseSensitive) { - alphabet = alphabet || DEFAULT_ALPHABET; - text = String(text); - if (!caseSensitive) { - text = text.toLowerCase(); - alphabet = alphabet.toLowerCase(); - } - var length = text.length; - var i; - var absBase = Math.abs(base); - var alphabetValues = {}; - for (i = 0; i < alphabet.length; i++) { - alphabetValues[alphabet[i]] = i; - } - for (i = 0; i < length; i++) { - var c = text[i]; - if (c === "-") continue; - if (c in alphabetValues) { - if (alphabetValues[c] >= absBase) { - if (c === "1" && absBase === 1) continue; - throw new Error(c + " is not a valid digit in base " + base + "."); - } - } - } - base = parseValue(base); - var digits = []; - var isNegative = text[0] === "-"; - for (i = isNegative ? 1 : 0; i < text.length; i++) { - var c = text[i]; - if (c in alphabetValues) digits.push(parseValue(alphabetValues[c])); - else if (c === "<") { - var start = i; - do { i++; } while (text[i] !== ">" && i < text.length); - digits.push(parseValue(text.slice(start + 1, i))); - } - else throw new Error(c + " is not a valid character"); - } - return parseBaseFromArray(digits, base, isNegative); - }; - - function parseBaseFromArray(digits, base, isNegative) { - var val = Integer[0], pow = Integer[1], i; - for (i = digits.length - 1; i >= 0; i--) { - val = val.add(digits[i].times(pow)); - pow = pow.times(base); - } - return isNegative ? val.negate() : val; - } - - function stringify(digit, alphabet) { - alphabet = alphabet || DEFAULT_ALPHABET; - if (digit < alphabet.length) { - return alphabet[digit]; - } - return "<" + digit + ">"; - } - - function toBase(n, base) { - base = bigInt(base); - if (base.isZero()) { - if (n.isZero()) return { value: [0], isNegative: false }; - throw new Error("Cannot convert nonzero numbers to base 0."); - } - if (base.equals(-1)) { - if (n.isZero()) return { value: [0], isNegative: false }; - if (n.isNegative()) - return { - value: [].concat.apply([], Array.apply(null, Array(-n.toJSNumber())) - .map(Array.prototype.valueOf, [1, 0]) - ), - isNegative: false - }; - - var arr = Array.apply(null, Array(n.toJSNumber() - 1)) - .map(Array.prototype.valueOf, [0, 1]); - arr.unshift([1]); - return { - value: [].concat.apply([], arr), - isNegative: false - }; - } - - var neg = false; - if (n.isNegative() && base.isPositive()) { - neg = true; - n = n.abs(); - } - if (base.isUnit()) { - if (n.isZero()) return { value: [0], isNegative: false }; - - return { - value: Array.apply(null, Array(n.toJSNumber())) - .map(Number.prototype.valueOf, 1), - isNegative: neg - }; - } - var out = []; - var left = n, divmod; - while (left.isNegative() || left.compareAbs(base) >= 0) { - divmod = left.divmod(base); - left = divmod.quotient; - var digit = divmod.remainder; - if (digit.isNegative()) { - digit = base.minus(digit).abs(); - left = left.next(); - } - out.push(digit.toJSNumber()); - } - out.push(left.toJSNumber()); - return { value: out.reverse(), isNegative: neg }; - } - - function toBaseString(n, base, alphabet) { - var arr = toBase(n, base); - return (arr.isNegative ? "-" : "") + arr.value.map(function (x) { - return stringify(x, alphabet); - }).join(''); - } - - BigInteger.prototype.toArray = function (radix) { - return toBase(this, radix); - }; - - SmallInteger.prototype.toArray = function (radix) { - return toBase(this, radix); - }; - - NativeBigInt.prototype.toArray = function (radix) { - return toBase(this, radix); - }; - - BigInteger.prototype.toString = function (radix, alphabet) { - if (radix === undefined) radix = 10; - if (radix !== 10 || alphabet) return toBaseString(this, radix, alphabet); - var v = this.value, l = v.length, str = String(v[--l]), zeros = "0000000", digit; - while (--l >= 0) { - digit = String(v[l]); - str += zeros.slice(digit.length) + digit; - } - var sign = this.sign ? "-" : ""; - return sign + str; - }; - - SmallInteger.prototype.toString = function (radix, alphabet) { - if (radix === undefined) radix = 10; - if (radix != 10 || alphabet) return toBaseString(this, radix, alphabet); - return String(this.value); - }; - - NativeBigInt.prototype.toString = SmallInteger.prototype.toString; - - NativeBigInt.prototype.toJSON = BigInteger.prototype.toJSON = SmallInteger.prototype.toJSON = function () { return this.toString(); } - - BigInteger.prototype.valueOf = function () { - return parseInt(this.toString(), 10); - }; - BigInteger.prototype.toJSNumber = BigInteger.prototype.valueOf; - - SmallInteger.prototype.valueOf = function () { - return this.value; - }; - SmallInteger.prototype.toJSNumber = SmallInteger.prototype.valueOf; - NativeBigInt.prototype.valueOf = NativeBigInt.prototype.toJSNumber = function () { - return parseInt(this.toString(), 10); - } - - function parseStringValue(v) { - if (isPrecise(+v)) { - var x = +v; - if (x === truncate(x)) - return supportsNativeBigInt ? new NativeBigInt(BigInt(x)) : new SmallInteger(x); - throw new Error("Invalid integer: " + v); - } - var sign = v[0] === "-"; - if (sign) v = v.slice(1); - var split = v.split(/e/i); - if (split.length > 2) throw new Error("Invalid integer: " + split.join("e")); - if (split.length === 2) { - var exp = split[1]; - if (exp[0] === "+") exp = exp.slice(1); - exp = +exp; - if (exp !== truncate(exp) || !isPrecise(exp)) throw new Error("Invalid integer: " + exp + " is not a valid exponent."); - var text = split[0]; - var decimalPlace = text.indexOf("."); - if (decimalPlace >= 0) { - exp -= text.length - decimalPlace - 1; - text = text.slice(0, decimalPlace) + text.slice(decimalPlace + 1); - } - if (exp < 0) throw new Error("Cannot include negative exponent part for integers"); - text += (new Array(exp + 1)).join("0"); - v = text; - } - var isValid = /^([0-9][0-9]*)$/.test(v); - if (!isValid) throw new Error("Invalid integer: " + v); - if (supportsNativeBigInt) { - return new NativeBigInt(BigInt(sign ? "-" + v : v)); - } - var r = [], max = v.length, l = LOG_BASE, min = max - l; - while (max > 0) { - r.push(+v.slice(min, max)); - min -= l; - if (min < 0) min = 0; - max -= l; - } - trim(r); - return new BigInteger(r, sign); - } - - function parseNumberValue(v) { - if (supportsNativeBigInt) { - return new NativeBigInt(BigInt(v)); - } - if (isPrecise(v)) { - if (v !== truncate(v)) throw new Error(v + " is not an integer."); - return new SmallInteger(v); - } - return parseStringValue(v.toString()); - } - - function parseValue(v) { - if (typeof v === "number") { - return parseNumberValue(v); - } - if (typeof v === "string") { - return parseStringValue(v); - } - if (typeof v === "bigint") { - return new NativeBigInt(v); - } - return v; - } - // Pre-define numbers in range [-999,999] - for (var i = 0; i < 1000; i++) { - Integer[i] = parseValue(i); - if (i > 0) Integer[-i] = parseValue(-i); - } - // Backwards compatibility - Integer.one = Integer[1]; - Integer.zero = Integer[0]; - Integer.minusOne = Integer[-1]; - Integer.max = max; - Integer.min = min; - Integer.gcd = gcd; - Integer.lcm = lcm; - Integer.isInstance = function (x) { return x instanceof BigInteger || x instanceof SmallInteger || x instanceof NativeBigInt; }; - Integer.randBetween = randBetween; - - Integer.fromArray = function (digits, base, isNegative) { - return parseBaseFromArray(digits.map(parseValue), parseValue(base || 10), isNegative); - }; - - return Integer; -})(); - -// Node.js check -if ( true && module.hasOwnProperty("exports")) { - module.exports = bigInt; -} - -//amd check -if (true) { - !(__WEBPACK_AMD_DEFINE_RESULT__ = (function () { - return bigInt; +var __WEBPACK_AMD_DEFINE_RESULT__;var bigInt = (function (undefined) { + "use strict"; + + var BASE = 1e7, + LOG_BASE = 7, + MAX_INT = 9007199254740992, + MAX_INT_ARR = smallToArray(MAX_INT), + DEFAULT_ALPHABET = "0123456789abcdefghijklmnopqrstuvwxyz"; + + var supportsNativeBigInt = typeof BigInt === "function"; + + function Integer(v, radix, alphabet, caseSensitive) { + if (typeof v === "undefined") return Integer[0]; + if (typeof radix !== "undefined") return +radix === 10 && !alphabet ? parseValue(v) : parseBase(v, radix, alphabet, caseSensitive); + return parseValue(v); + } + + function BigInteger(value, sign) { + this.value = value; + this.sign = sign; + this.isSmall = false; + } + BigInteger.prototype = Object.create(Integer.prototype); + + function SmallInteger(value) { + this.value = value; + this.sign = value < 0; + this.isSmall = true; + } + SmallInteger.prototype = Object.create(Integer.prototype); + + function NativeBigInt(value) { + this.value = value; + } + NativeBigInt.prototype = Object.create(Integer.prototype); + + function isPrecise(n) { + return -MAX_INT < n && n < MAX_INT; + } + + function smallToArray(n) { // For performance reasons doesn't reference BASE, need to change this function if BASE changes + if (n < 1e7) + return [n]; + if (n < 1e14) + return [n % 1e7, Math.floor(n / 1e7)]; + return [n % 1e7, Math.floor(n / 1e7) % 1e7, Math.floor(n / 1e14)]; + } + + function arrayToSmall(arr) { // If BASE changes this function may need to change + trim(arr); + var length = arr.length; + if (length < 4 && compareAbs(arr, MAX_INT_ARR) < 0) { + switch (length) { + case 0: return 0; + case 1: return arr[0]; + case 2: return arr[0] + arr[1] * BASE; + default: return arr[0] + (arr[1] + arr[2] * BASE) * BASE; + } + } + return arr; + } + + function trim(v) { + var i = v.length; + while (v[--i] === 0); + v.length = i + 1; + } + + function createArray(length) { // function shamelessly stolen from Yaffle's library https://github.com/Yaffle/BigInteger + var x = new Array(length); + var i = -1; + while (++i < length) { + x[i] = 0; + } + return x; + } + + function truncate(n) { + if (n > 0) return Math.floor(n); + return Math.ceil(n); + } + + function add(a, b) { // assumes a and b are arrays with a.length >= b.length + var l_a = a.length, + l_b = b.length, + r = new Array(l_a), + carry = 0, + base = BASE, + sum, i; + for (i = 0; i < l_b; i++) { + sum = a[i] + b[i] + carry; + carry = sum >= base ? 1 : 0; + r[i] = sum - carry * base; + } + while (i < l_a) { + sum = a[i] + carry; + carry = sum === base ? 1 : 0; + r[i++] = sum - carry * base; + } + if (carry > 0) r.push(carry); + return r; + } + + function addAny(a, b) { + if (a.length >= b.length) return add(a, b); + return add(b, a); + } + + function addSmall(a, carry) { // assumes a is array, carry is number with 0 <= carry < MAX_INT + var l = a.length, + r = new Array(l), + base = BASE, + sum, i; + for (i = 0; i < l; i++) { + sum = a[i] - base + carry; + carry = Math.floor(sum / base); + r[i] = sum - carry * base; + carry += 1; + } + while (carry > 0) { + r[i++] = carry % base; + carry = Math.floor(carry / base); + } + return r; + } + + BigInteger.prototype.add = function (v) { + var n = parseValue(v); + if (this.sign !== n.sign) { + return this.subtract(n.negate()); + } + var a = this.value, b = n.value; + if (n.isSmall) { + return new BigInteger(addSmall(a, Math.abs(b)), this.sign); + } + return new BigInteger(addAny(a, b), this.sign); + }; + BigInteger.prototype.plus = BigInteger.prototype.add; + + SmallInteger.prototype.add = function (v) { + var n = parseValue(v); + var a = this.value; + if (a < 0 !== n.sign) { + return this.subtract(n.negate()); + } + var b = n.value; + if (n.isSmall) { + if (isPrecise(a + b)) return new SmallInteger(a + b); + b = smallToArray(Math.abs(b)); + } + return new BigInteger(addSmall(b, Math.abs(a)), a < 0); + }; + SmallInteger.prototype.plus = SmallInteger.prototype.add; + + NativeBigInt.prototype.add = function (v) { + return new NativeBigInt(this.value + parseValue(v).value); + } + NativeBigInt.prototype.plus = NativeBigInt.prototype.add; + + function subtract(a, b) { // assumes a and b are arrays with a >= b + var a_l = a.length, + b_l = b.length, + r = new Array(a_l), + borrow = 0, + base = BASE, + i, difference; + for (i = 0; i < b_l; i++) { + difference = a[i] - borrow - b[i]; + if (difference < 0) { + difference += base; + borrow = 1; + } else borrow = 0; + r[i] = difference; + } + for (i = b_l; i < a_l; i++) { + difference = a[i] - borrow; + if (difference < 0) difference += base; + else { + r[i++] = difference; + break; + } + r[i] = difference; + } + for (; i < a_l; i++) { + r[i] = a[i]; + } + trim(r); + return r; + } + + function subtractAny(a, b, sign) { + var value; + if (compareAbs(a, b) >= 0) { + value = subtract(a, b); + } else { + value = subtract(b, a); + sign = !sign; + } + value = arrayToSmall(value); + if (typeof value === "number") { + if (sign) value = -value; + return new SmallInteger(value); + } + return new BigInteger(value, sign); + } + + function subtractSmall(a, b, sign) { // assumes a is array, b is number with 0 <= b < MAX_INT + var l = a.length, + r = new Array(l), + carry = -b, + base = BASE, + i, difference; + for (i = 0; i < l; i++) { + difference = a[i] + carry; + carry = Math.floor(difference / base); + difference %= base; + r[i] = difference < 0 ? difference + base : difference; + } + r = arrayToSmall(r); + if (typeof r === "number") { + if (sign) r = -r; + return new SmallInteger(r); + } return new BigInteger(r, sign); + } + + BigInteger.prototype.subtract = function (v) { + var n = parseValue(v); + if (this.sign !== n.sign) { + return this.add(n.negate()); + } + var a = this.value, b = n.value; + if (n.isSmall) + return subtractSmall(a, Math.abs(b), this.sign); + return subtractAny(a, b, this.sign); + }; + BigInteger.prototype.minus = BigInteger.prototype.subtract; + + SmallInteger.prototype.subtract = function (v) { + var n = parseValue(v); + var a = this.value; + if (a < 0 !== n.sign) { + return this.add(n.negate()); + } + var b = n.value; + if (n.isSmall) { + return new SmallInteger(a - b); + } + return subtractSmall(b, Math.abs(a), a >= 0); + }; + SmallInteger.prototype.minus = SmallInteger.prototype.subtract; + + NativeBigInt.prototype.subtract = function (v) { + return new NativeBigInt(this.value - parseValue(v).value); + } + NativeBigInt.prototype.minus = NativeBigInt.prototype.subtract; + + BigInteger.prototype.negate = function () { + return new BigInteger(this.value, !this.sign); + }; + SmallInteger.prototype.negate = function () { + var sign = this.sign; + var small = new SmallInteger(-this.value); + small.sign = !sign; + return small; + }; + NativeBigInt.prototype.negate = function () { + return new NativeBigInt(-this.value); + } + + BigInteger.prototype.abs = function () { + return new BigInteger(this.value, false); + }; + SmallInteger.prototype.abs = function () { + return new SmallInteger(Math.abs(this.value)); + }; + NativeBigInt.prototype.abs = function () { + return new NativeBigInt(this.value >= 0 ? this.value : -this.value); + } + + + function multiplyLong(a, b) { + var a_l = a.length, + b_l = b.length, + l = a_l + b_l, + r = createArray(l), + base = BASE, + product, carry, i, a_i, b_j; + for (i = 0; i < a_l; ++i) { + a_i = a[i]; + for (var j = 0; j < b_l; ++j) { + b_j = b[j]; + product = a_i * b_j + r[i + j]; + carry = Math.floor(product / base); + r[i + j] = product - carry * base; + r[i + j + 1] += carry; + } + } + trim(r); + return r; + } + + function multiplySmall(a, b) { // assumes a is array, b is number with |b| < BASE + var l = a.length, + r = new Array(l), + base = BASE, + carry = 0, + product, i; + for (i = 0; i < l; i++) { + product = a[i] * b + carry; + carry = Math.floor(product / base); + r[i] = product - carry * base; + } + while (carry > 0) { + r[i++] = carry % base; + carry = Math.floor(carry / base); + } + return r; + } + + function shiftLeft(x, n) { + var r = []; + while (n-- > 0) r.push(0); + return r.concat(x); + } + + function multiplyKaratsuba(x, y) { + var n = Math.max(x.length, y.length); + + if (n <= 30) return multiplyLong(x, y); + n = Math.ceil(n / 2); + + var b = x.slice(n), + a = x.slice(0, n), + d = y.slice(n), + c = y.slice(0, n); + + var ac = multiplyKaratsuba(a, c), + bd = multiplyKaratsuba(b, d), + abcd = multiplyKaratsuba(addAny(a, b), addAny(c, d)); + + var product = addAny(addAny(ac, shiftLeft(subtract(subtract(abcd, ac), bd), n)), shiftLeft(bd, 2 * n)); + trim(product); + return product; + } + + // The following function is derived from a surface fit of a graph plotting the performance difference + // between long multiplication and karatsuba multiplication versus the lengths of the two arrays. + function useKaratsuba(l1, l2) { + return -0.012 * l1 - 0.012 * l2 + 0.000015 * l1 * l2 > 0; + } + + BigInteger.prototype.multiply = function (v) { + var n = parseValue(v), + a = this.value, b = n.value, + sign = this.sign !== n.sign, + abs; + if (n.isSmall) { + if (b === 0) return Integer[0]; + if (b === 1) return this; + if (b === -1) return this.negate(); + abs = Math.abs(b); + if (abs < BASE) { + return new BigInteger(multiplySmall(a, abs), sign); + } + b = smallToArray(abs); + } + if (useKaratsuba(a.length, b.length)) // Karatsuba is only faster for certain array sizes + return new BigInteger(multiplyKaratsuba(a, b), sign); + return new BigInteger(multiplyLong(a, b), sign); + }; + + BigInteger.prototype.times = BigInteger.prototype.multiply; + + function multiplySmallAndArray(a, b, sign) { // a >= 0 + if (a < BASE) { + return new BigInteger(multiplySmall(b, a), sign); + } + return new BigInteger(multiplyLong(b, smallToArray(a)), sign); + } + SmallInteger.prototype._multiplyBySmall = function (a) { + if (isPrecise(a.value * this.value)) { + return new SmallInteger(a.value * this.value); + } + return multiplySmallAndArray(Math.abs(a.value), smallToArray(Math.abs(this.value)), this.sign !== a.sign); + }; + BigInteger.prototype._multiplyBySmall = function (a) { + if (a.value === 0) return Integer[0]; + if (a.value === 1) return this; + if (a.value === -1) return this.negate(); + return multiplySmallAndArray(Math.abs(a.value), this.value, this.sign !== a.sign); + }; + SmallInteger.prototype.multiply = function (v) { + return parseValue(v)._multiplyBySmall(this); + }; + SmallInteger.prototype.times = SmallInteger.prototype.multiply; + + NativeBigInt.prototype.multiply = function (v) { + return new NativeBigInt(this.value * parseValue(v).value); + } + NativeBigInt.prototype.times = NativeBigInt.prototype.multiply; + + function square(a) { + //console.assert(2 * BASE * BASE < MAX_INT); + var l = a.length, + r = createArray(l + l), + base = BASE, + product, carry, i, a_i, a_j; + for (i = 0; i < l; i++) { + a_i = a[i]; + carry = 0 - a_i * a_i; + for (var j = i; j < l; j++) { + a_j = a[j]; + product = 2 * (a_i * a_j) + r[i + j] + carry; + carry = Math.floor(product / base); + r[i + j] = product - carry * base; + } + r[i + l] = carry; + } + trim(r); + return r; + } + + BigInteger.prototype.square = function () { + return new BigInteger(square(this.value), false); + }; + + SmallInteger.prototype.square = function () { + var value = this.value * this.value; + if (isPrecise(value)) return new SmallInteger(value); + return new BigInteger(square(smallToArray(Math.abs(this.value))), false); + }; + + NativeBigInt.prototype.square = function (v) { + return new NativeBigInt(this.value * this.value); + } + + function divMod1(a, b) { // Left over from previous version. Performs faster than divMod2 on smaller input sizes. + var a_l = a.length, + b_l = b.length, + base = BASE, + result = createArray(b.length), + divisorMostSignificantDigit = b[b_l - 1], + // normalization + lambda = Math.ceil(base / (2 * divisorMostSignificantDigit)), + remainder = multiplySmall(a, lambda), + divisor = multiplySmall(b, lambda), + quotientDigit, shift, carry, borrow, i, l, q; + if (remainder.length <= a_l) remainder.push(0); + divisor.push(0); + divisorMostSignificantDigit = divisor[b_l - 1]; + for (shift = a_l - b_l; shift >= 0; shift--) { + quotientDigit = base - 1; + if (remainder[shift + b_l] !== divisorMostSignificantDigit) { + quotientDigit = Math.floor((remainder[shift + b_l] * base + remainder[shift + b_l - 1]) / divisorMostSignificantDigit); + } + // quotientDigit <= base - 1 + carry = 0; + borrow = 0; + l = divisor.length; + for (i = 0; i < l; i++) { + carry += quotientDigit * divisor[i]; + q = Math.floor(carry / base); + borrow += remainder[shift + i] - (carry - q * base); + carry = q; + if (borrow < 0) { + remainder[shift + i] = borrow + base; + borrow = -1; + } else { + remainder[shift + i] = borrow; + borrow = 0; + } + } + while (borrow !== 0) { + quotientDigit -= 1; + carry = 0; + for (i = 0; i < l; i++) { + carry += remainder[shift + i] - base + divisor[i]; + if (carry < 0) { + remainder[shift + i] = carry + base; + carry = 0; + } else { + remainder[shift + i] = carry; + carry = 1; + } + } + borrow += carry; + } + result[shift] = quotientDigit; + } + // denormalization + remainder = divModSmall(remainder, lambda)[0]; + return [arrayToSmall(result), arrayToSmall(remainder)]; + } + + function divMod2(a, b) { // Implementation idea shamelessly stolen from Silent Matt's library http://silentmatt.com/biginteger/ + // Performs faster than divMod1 on larger input sizes. + var a_l = a.length, + b_l = b.length, + result = [], + part = [], + base = BASE, + guess, xlen, highx, highy, check; + while (a_l) { + part.unshift(a[--a_l]); + trim(part); + if (compareAbs(part, b) < 0) { + result.push(0); + continue; + } + xlen = part.length; + highx = part[xlen - 1] * base + part[xlen - 2]; + highy = b[b_l - 1] * base + b[b_l - 2]; + if (xlen > b_l) { + highx = (highx + 1) * base; + } + guess = Math.ceil(highx / highy); + do { + check = multiplySmall(b, guess); + if (compareAbs(check, part) <= 0) break; + guess--; + } while (guess); + result.push(guess); + part = subtract(part, check); + } + result.reverse(); + return [arrayToSmall(result), arrayToSmall(part)]; + } + + function divModSmall(value, lambda) { + var length = value.length, + quotient = createArray(length), + base = BASE, + i, q, remainder, divisor; + remainder = 0; + for (i = length - 1; i >= 0; --i) { + divisor = remainder * base + value[i]; + q = truncate(divisor / lambda); + remainder = divisor - q * lambda; + quotient[i] = q | 0; + } + return [quotient, remainder | 0]; + } + + function divModAny(self, v) { + var value, n = parseValue(v); + if (supportsNativeBigInt) { + return [new NativeBigInt(self.value / n.value), new NativeBigInt(self.value % n.value)]; + } + var a = self.value, b = n.value; + var quotient; + if (b === 0) throw new Error("Cannot divide by zero"); + if (self.isSmall) { + if (n.isSmall) { + return [new SmallInteger(truncate(a / b)), new SmallInteger(a % b)]; + } + return [Integer[0], self]; + } + if (n.isSmall) { + if (b === 1) return [self, Integer[0]]; + if (b == -1) return [self.negate(), Integer[0]]; + var abs = Math.abs(b); + if (abs < BASE) { + value = divModSmall(a, abs); + quotient = arrayToSmall(value[0]); + var remainder = value[1]; + if (self.sign) remainder = -remainder; + if (typeof quotient === "number") { + if (self.sign !== n.sign) quotient = -quotient; + return [new SmallInteger(quotient), new SmallInteger(remainder)]; + } + return [new BigInteger(quotient, self.sign !== n.sign), new SmallInteger(remainder)]; + } + b = smallToArray(abs); + } + var comparison = compareAbs(a, b); + if (comparison === -1) return [Integer[0], self]; + if (comparison === 0) return [Integer[self.sign === n.sign ? 1 : -1], Integer[0]]; + + // divMod1 is faster on smaller input sizes + if (a.length + b.length <= 200) + value = divMod1(a, b); + else value = divMod2(a, b); + + quotient = value[0]; + var qSign = self.sign !== n.sign, + mod = value[1], + mSign = self.sign; + if (typeof quotient === "number") { + if (qSign) quotient = -quotient; + quotient = new SmallInteger(quotient); + } else quotient = new BigInteger(quotient, qSign); + if (typeof mod === "number") { + if (mSign) mod = -mod; + mod = new SmallInteger(mod); + } else mod = new BigInteger(mod, mSign); + return [quotient, mod]; + } + + BigInteger.prototype.divmod = function (v) { + var result = divModAny(this, v); + return { + quotient: result[0], + remainder: result[1] + }; + }; + NativeBigInt.prototype.divmod = SmallInteger.prototype.divmod = BigInteger.prototype.divmod; + + + BigInteger.prototype.divide = function (v) { + return divModAny(this, v)[0]; + }; + NativeBigInt.prototype.over = NativeBigInt.prototype.divide = function (v) { + return new NativeBigInt(this.value / parseValue(v).value); + }; + SmallInteger.prototype.over = SmallInteger.prototype.divide = BigInteger.prototype.over = BigInteger.prototype.divide; + + BigInteger.prototype.mod = function (v) { + return divModAny(this, v)[1]; + }; + NativeBigInt.prototype.mod = NativeBigInt.prototype.remainder = function (v) { + return new NativeBigInt(this.value % parseValue(v).value); + }; + SmallInteger.prototype.remainder = SmallInteger.prototype.mod = BigInteger.prototype.remainder = BigInteger.prototype.mod; + + BigInteger.prototype.pow = function (v) { + var n = parseValue(v), + a = this.value, + b = n.value, + value, x, y; + if (b === 0) return Integer[1]; + if (a === 0) return Integer[0]; + if (a === 1) return Integer[1]; + if (a === -1) return n.isEven() ? Integer[1] : Integer[-1]; + if (n.sign) { + return Integer[0]; + } + if (!n.isSmall) throw new Error("The exponent " + n.toString() + " is too large."); + if (this.isSmall) { + if (isPrecise(value = Math.pow(a, b))) + return new SmallInteger(truncate(value)); + } + x = this; + y = Integer[1]; + while (true) { + if (b & 1 === 1) { + y = y.times(x); + --b; + } + if (b === 0) break; + b /= 2; + x = x.square(); + } + return y; + }; + SmallInteger.prototype.pow = BigInteger.prototype.pow; + + NativeBigInt.prototype.pow = function (v) { + var n = parseValue(v); + var a = this.value, b = n.value; + var _0 = BigInt(0), _1 = BigInt(1), _2 = BigInt(2); + if (b === _0) return Integer[1]; + if (a === _0) return Integer[0]; + if (a === _1) return Integer[1]; + if (a === BigInt(-1)) return n.isEven() ? Integer[1] : Integer[-1]; + if (n.isNegative()) return new NativeBigInt(_0); + var x = this; + var y = Integer[1]; + while (true) { + if ((b & _1) === _1) { + y = y.times(x); + --b; + } + if (b === _0) break; + b /= _2; + x = x.square(); + } + return y; + } + + BigInteger.prototype.modPow = function (exp, mod) { + exp = parseValue(exp); + mod = parseValue(mod); + if (mod.isZero()) throw new Error("Cannot take modPow with modulus 0"); + var r = Integer[1], + base = this.mod(mod); + if (exp.isNegative()) { + exp = exp.multiply(Integer[-1]); + base = base.modInv(mod); + } + while (exp.isPositive()) { + if (base.isZero()) return Integer[0]; + if (exp.isOdd()) r = r.multiply(base).mod(mod); + exp = exp.divide(2); + base = base.square().mod(mod); + } + return r; + }; + NativeBigInt.prototype.modPow = SmallInteger.prototype.modPow = BigInteger.prototype.modPow; + + function compareAbs(a, b) { + if (a.length !== b.length) { + return a.length > b.length ? 1 : -1; + } + for (var i = a.length - 1; i >= 0; i--) { + if (a[i] !== b[i]) return a[i] > b[i] ? 1 : -1; + } + return 0; + } + + BigInteger.prototype.compareAbs = function (v) { + var n = parseValue(v), + a = this.value, + b = n.value; + if (n.isSmall) return 1; + return compareAbs(a, b); + }; + SmallInteger.prototype.compareAbs = function (v) { + var n = parseValue(v), + a = Math.abs(this.value), + b = n.value; + if (n.isSmall) { + b = Math.abs(b); + return a === b ? 0 : a > b ? 1 : -1; + } + return -1; + }; + NativeBigInt.prototype.compareAbs = function (v) { + var a = this.value; + var b = parseValue(v).value; + a = a >= 0 ? a : -a; + b = b >= 0 ? b : -b; + return a === b ? 0 : a > b ? 1 : -1; + } + + BigInteger.prototype.compare = function (v) { + // See discussion about comparison with Infinity: + // https://github.com/peterolson/BigInteger.js/issues/61 + if (v === Infinity) { + return -1; + } + if (v === -Infinity) { + return 1; + } + + var n = parseValue(v), + a = this.value, + b = n.value; + if (this.sign !== n.sign) { + return n.sign ? 1 : -1; + } + if (n.isSmall) { + return this.sign ? -1 : 1; + } + return compareAbs(a, b) * (this.sign ? -1 : 1); + }; + BigInteger.prototype.compareTo = BigInteger.prototype.compare; + + SmallInteger.prototype.compare = function (v) { + if (v === Infinity) { + return -1; + } + if (v === -Infinity) { + return 1; + } + + var n = parseValue(v), + a = this.value, + b = n.value; + if (n.isSmall) { + return a == b ? 0 : a > b ? 1 : -1; + } + if (a < 0 !== n.sign) { + return a < 0 ? -1 : 1; + } + return a < 0 ? 1 : -1; + }; + SmallInteger.prototype.compareTo = SmallInteger.prototype.compare; + + NativeBigInt.prototype.compare = function (v) { + if (v === Infinity) { + return -1; + } + if (v === -Infinity) { + return 1; + } + var a = this.value; + var b = parseValue(v).value; + return a === b ? 0 : a > b ? 1 : -1; + } + NativeBigInt.prototype.compareTo = NativeBigInt.prototype.compare; + + BigInteger.prototype.equals = function (v) { + return this.compare(v) === 0; + }; + NativeBigInt.prototype.eq = NativeBigInt.prototype.equals = SmallInteger.prototype.eq = SmallInteger.prototype.equals = BigInteger.prototype.eq = BigInteger.prototype.equals; + + BigInteger.prototype.notEquals = function (v) { + return this.compare(v) !== 0; + }; + NativeBigInt.prototype.neq = NativeBigInt.prototype.notEquals = SmallInteger.prototype.neq = SmallInteger.prototype.notEquals = BigInteger.prototype.neq = BigInteger.prototype.notEquals; + + BigInteger.prototype.greater = function (v) { + return this.compare(v) > 0; + }; + NativeBigInt.prototype.gt = NativeBigInt.prototype.greater = SmallInteger.prototype.gt = SmallInteger.prototype.greater = BigInteger.prototype.gt = BigInteger.prototype.greater; + + BigInteger.prototype.lesser = function (v) { + return this.compare(v) < 0; + }; + NativeBigInt.prototype.lt = NativeBigInt.prototype.lesser = SmallInteger.prototype.lt = SmallInteger.prototype.lesser = BigInteger.prototype.lt = BigInteger.prototype.lesser; + + BigInteger.prototype.greaterOrEquals = function (v) { + return this.compare(v) >= 0; + }; + NativeBigInt.prototype.geq = NativeBigInt.prototype.greaterOrEquals = SmallInteger.prototype.geq = SmallInteger.prototype.greaterOrEquals = BigInteger.prototype.geq = BigInteger.prototype.greaterOrEquals; + + BigInteger.prototype.lesserOrEquals = function (v) { + return this.compare(v) <= 0; + }; + NativeBigInt.prototype.leq = NativeBigInt.prototype.lesserOrEquals = SmallInteger.prototype.leq = SmallInteger.prototype.lesserOrEquals = BigInteger.prototype.leq = BigInteger.prototype.lesserOrEquals; + + BigInteger.prototype.isEven = function () { + return (this.value[0] & 1) === 0; + }; + SmallInteger.prototype.isEven = function () { + return (this.value & 1) === 0; + }; + NativeBigInt.prototype.isEven = function () { + return (this.value & BigInt(1)) === BigInt(0); + } + + BigInteger.prototype.isOdd = function () { + return (this.value[0] & 1) === 1; + }; + SmallInteger.prototype.isOdd = function () { + return (this.value & 1) === 1; + }; + NativeBigInt.prototype.isOdd = function () { + return (this.value & BigInt(1)) === BigInt(1); + } + + BigInteger.prototype.isPositive = function () { + return !this.sign; + }; + SmallInteger.prototype.isPositive = function () { + return this.value > 0; + }; + NativeBigInt.prototype.isPositive = SmallInteger.prototype.isPositive; + + BigInteger.prototype.isNegative = function () { + return this.sign; + }; + SmallInteger.prototype.isNegative = function () { + return this.value < 0; + }; + NativeBigInt.prototype.isNegative = SmallInteger.prototype.isNegative; + + BigInteger.prototype.isUnit = function () { + return false; + }; + SmallInteger.prototype.isUnit = function () { + return Math.abs(this.value) === 1; + }; + NativeBigInt.prototype.isUnit = function () { + return this.abs().value === BigInt(1); + } + + BigInteger.prototype.isZero = function () { + return false; + }; + SmallInteger.prototype.isZero = function () { + return this.value === 0; + }; + NativeBigInt.prototype.isZero = function () { + return this.value === BigInt(0); + } + + BigInteger.prototype.isDivisibleBy = function (v) { + var n = parseValue(v); + if (n.isZero()) return false; + if (n.isUnit()) return true; + if (n.compareAbs(2) === 0) return this.isEven(); + return this.mod(n).isZero(); + }; + NativeBigInt.prototype.isDivisibleBy = SmallInteger.prototype.isDivisibleBy = BigInteger.prototype.isDivisibleBy; + + function isBasicPrime(v) { + var n = v.abs(); + if (n.isUnit()) return false; + if (n.equals(2) || n.equals(3) || n.equals(5)) return true; + if (n.isEven() || n.isDivisibleBy(3) || n.isDivisibleBy(5)) return false; + if (n.lesser(49)) return true; + // we don't know if it's prime: let the other functions figure it out + } + + function millerRabinTest(n, a) { + var nPrev = n.prev(), + b = nPrev, + r = 0, + d, t, i, x; + while (b.isEven()) b = b.divide(2), r++; + next: for (i = 0; i < a.length; i++) { + if (n.lesser(a[i])) continue; + x = bigInt(a[i]).modPow(b, n); + if (x.isUnit() || x.equals(nPrev)) continue; + for (d = r - 1; d != 0; d--) { + x = x.square().mod(n); + if (x.isUnit()) return false; + if (x.equals(nPrev)) continue next; + } + return false; + } + return true; + } + + // Set "strict" to true to force GRH-supported lower bound of 2*log(N)^2 + BigInteger.prototype.isPrime = function (strict) { + var isPrime = isBasicPrime(this); + if (isPrime !== undefined) return isPrime; + var n = this.abs(); + var bits = n.bitLength(); + if (bits <= 64) + return millerRabinTest(n, [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37]); + var logN = Math.log(2) * bits.toJSNumber(); + var t = Math.ceil((strict === true) ? (2 * Math.pow(logN, 2)) : logN); + for (var a = [], i = 0; i < t; i++) { + a.push(bigInt(i + 2)); + } + return millerRabinTest(n, a); + }; + NativeBigInt.prototype.isPrime = SmallInteger.prototype.isPrime = BigInteger.prototype.isPrime; + + BigInteger.prototype.isProbablePrime = function (iterations, rng) { + var isPrime = isBasicPrime(this); + if (isPrime !== undefined) return isPrime; + var n = this.abs(); + var t = iterations === undefined ? 5 : iterations; + for (var a = [], i = 0; i < t; i++) { + a.push(bigInt.randBetween(2, n.minus(2), rng)); + } + return millerRabinTest(n, a); + }; + NativeBigInt.prototype.isProbablePrime = SmallInteger.prototype.isProbablePrime = BigInteger.prototype.isProbablePrime; + + BigInteger.prototype.modInv = function (n) { + var t = bigInt.zero, newT = bigInt.one, r = parseValue(n), newR = this.abs(), q, lastT, lastR; + while (!newR.isZero()) { + q = r.divide(newR); + lastT = t; + lastR = r; + t = newT; + r = newR; + newT = lastT.subtract(q.multiply(newT)); + newR = lastR.subtract(q.multiply(newR)); + } + if (!r.isUnit()) throw new Error(this.toString() + " and " + n.toString() + " are not co-prime"); + if (t.compare(0) === -1) { + t = t.add(n); + } + if (this.isNegative()) { + return t.negate(); + } + return t; + }; + + NativeBigInt.prototype.modInv = SmallInteger.prototype.modInv = BigInteger.prototype.modInv; + + BigInteger.prototype.next = function () { + var value = this.value; + if (this.sign) { + return subtractSmall(value, 1, this.sign); + } + return new BigInteger(addSmall(value, 1), this.sign); + }; + SmallInteger.prototype.next = function () { + var value = this.value; + if (value + 1 < MAX_INT) return new SmallInteger(value + 1); + return new BigInteger(MAX_INT_ARR, false); + }; + NativeBigInt.prototype.next = function () { + return new NativeBigInt(this.value + BigInt(1)); + } + + BigInteger.prototype.prev = function () { + var value = this.value; + if (this.sign) { + return new BigInteger(addSmall(value, 1), true); + } + return subtractSmall(value, 1, this.sign); + }; + SmallInteger.prototype.prev = function () { + var value = this.value; + if (value - 1 > -MAX_INT) return new SmallInteger(value - 1); + return new BigInteger(MAX_INT_ARR, true); + }; + NativeBigInt.prototype.prev = function () { + return new NativeBigInt(this.value - BigInt(1)); + } + + var powersOfTwo = [1]; + while (2 * powersOfTwo[powersOfTwo.length - 1] <= BASE) powersOfTwo.push(2 * powersOfTwo[powersOfTwo.length - 1]); + var powers2Length = powersOfTwo.length, highestPower2 = powersOfTwo[powers2Length - 1]; + + function shift_isSmall(n) { + return Math.abs(n) <= BASE; + } + + BigInteger.prototype.shiftLeft = function (v) { + var n = parseValue(v).toJSNumber(); + if (!shift_isSmall(n)) { + throw new Error(String(n) + " is too large for shifting."); + } + if (n < 0) return this.shiftRight(-n); + var result = this; + if (result.isZero()) return result; + while (n >= powers2Length) { + result = result.multiply(highestPower2); + n -= powers2Length - 1; + } + return result.multiply(powersOfTwo[n]); + }; + NativeBigInt.prototype.shiftLeft = SmallInteger.prototype.shiftLeft = BigInteger.prototype.shiftLeft; + + BigInteger.prototype.shiftRight = function (v) { + var remQuo; + var n = parseValue(v).toJSNumber(); + if (!shift_isSmall(n)) { + throw new Error(String(n) + " is too large for shifting."); + } + if (n < 0) return this.shiftLeft(-n); + var result = this; + while (n >= powers2Length) { + if (result.isZero() || (result.isNegative() && result.isUnit())) return result; + remQuo = divModAny(result, highestPower2); + result = remQuo[1].isNegative() ? remQuo[0].prev() : remQuo[0]; + n -= powers2Length - 1; + } + remQuo = divModAny(result, powersOfTwo[n]); + return remQuo[1].isNegative() ? remQuo[0].prev() : remQuo[0]; + }; + NativeBigInt.prototype.shiftRight = SmallInteger.prototype.shiftRight = BigInteger.prototype.shiftRight; + + function bitwise(x, y, fn) { + y = parseValue(y); + var xSign = x.isNegative(), ySign = y.isNegative(); + var xRem = xSign ? x.not() : x, + yRem = ySign ? y.not() : y; + var xDigit = 0, yDigit = 0; + var xDivMod = null, yDivMod = null; + var result = []; + while (!xRem.isZero() || !yRem.isZero()) { + xDivMod = divModAny(xRem, highestPower2); + xDigit = xDivMod[1].toJSNumber(); + if (xSign) { + xDigit = highestPower2 - 1 - xDigit; // two's complement for negative numbers + } + + yDivMod = divModAny(yRem, highestPower2); + yDigit = yDivMod[1].toJSNumber(); + if (ySign) { + yDigit = highestPower2 - 1 - yDigit; // two's complement for negative numbers + } + + xRem = xDivMod[0]; + yRem = yDivMod[0]; + result.push(fn(xDigit, yDigit)); + } + var sum = fn(xSign ? 1 : 0, ySign ? 1 : 0) !== 0 ? bigInt(-1) : bigInt(0); + for (var i = result.length - 1; i >= 0; i -= 1) { + sum = sum.multiply(highestPower2).add(bigInt(result[i])); + } + return sum; + } + + BigInteger.prototype.not = function () { + return this.negate().prev(); + }; + NativeBigInt.prototype.not = SmallInteger.prototype.not = BigInteger.prototype.not; + + BigInteger.prototype.and = function (n) { + return bitwise(this, n, function (a, b) { return a & b; }); + }; + NativeBigInt.prototype.and = SmallInteger.prototype.and = BigInteger.prototype.and; + + BigInteger.prototype.or = function (n) { + return bitwise(this, n, function (a, b) { return a | b; }); + }; + NativeBigInt.prototype.or = SmallInteger.prototype.or = BigInteger.prototype.or; + + BigInteger.prototype.xor = function (n) { + return bitwise(this, n, function (a, b) { return a ^ b; }); + }; + NativeBigInt.prototype.xor = SmallInteger.prototype.xor = BigInteger.prototype.xor; + + var LOBMASK_I = 1 << 30, LOBMASK_BI = (BASE & -BASE) * (BASE & -BASE) | LOBMASK_I; + function roughLOB(n) { // get lowestOneBit (rough) + // SmallInteger: return Min(lowestOneBit(n), 1 << 30) + // BigInteger: return Min(lowestOneBit(n), 1 << 14) [BASE=1e7] + var v = n.value, + x = typeof v === "number" ? v | LOBMASK_I : + typeof v === "bigint" ? v | BigInt(LOBMASK_I) : + v[0] + v[1] * BASE | LOBMASK_BI; + return x & -x; + } + + function integerLogarithm(value, base) { + if (base.compareTo(value) <= 0) { + var tmp = integerLogarithm(value, base.square(base)); + var p = tmp.p; + var e = tmp.e; + var t = p.multiply(base); + return t.compareTo(value) <= 0 ? { p: t, e: e * 2 + 1 } : { p: p, e: e * 2 }; + } + return { p: bigInt(1), e: 0 }; + } + + BigInteger.prototype.bitLength = function () { + var n = this; + if (n.compareTo(bigInt(0)) < 0) { + n = n.negate().subtract(bigInt(1)); + } + if (n.compareTo(bigInt(0)) === 0) { + return bigInt(0); + } + return bigInt(integerLogarithm(n, bigInt(2)).e).add(bigInt(1)); + } + NativeBigInt.prototype.bitLength = SmallInteger.prototype.bitLength = BigInteger.prototype.bitLength; + + function max(a, b) { + a = parseValue(a); + b = parseValue(b); + return a.greater(b) ? a : b; + } + function min(a, b) { + a = parseValue(a); + b = parseValue(b); + return a.lesser(b) ? a : b; + } + function gcd(a, b) { + a = parseValue(a).abs(); + b = parseValue(b).abs(); + if (a.equals(b)) return a; + if (a.isZero()) return b; + if (b.isZero()) return a; + var c = Integer[1], d, t; + while (a.isEven() && b.isEven()) { + d = min(roughLOB(a), roughLOB(b)); + a = a.divide(d); + b = b.divide(d); + c = c.multiply(d); + } + while (a.isEven()) { + a = a.divide(roughLOB(a)); + } + do { + while (b.isEven()) { + b = b.divide(roughLOB(b)); + } + if (a.greater(b)) { + t = b; b = a; a = t; + } + b = b.subtract(a); + } while (!b.isZero()); + return c.isUnit() ? a : a.multiply(c); + } + function lcm(a, b) { + a = parseValue(a).abs(); + b = parseValue(b).abs(); + return a.divide(gcd(a, b)).multiply(b); + } + function randBetween(a, b, rng) { + a = parseValue(a); + b = parseValue(b); + var usedRNG = rng || Math.random; + var low = min(a, b), high = max(a, b); + var range = high.subtract(low).add(1); + if (range.isSmall) return low.add(Math.floor(usedRNG() * range)); + var digits = toBase(range, BASE).value; + var result = [], restricted = true; + for (var i = 0; i < digits.length; i++) { + var top = restricted ? digits[i] + (i + 1 < digits.length ? digits[i + 1] / BASE : 0) : BASE; + var digit = truncate(usedRNG() * top); + result.push(digit); + if (digit < digits[i]) restricted = false; + } + return low.add(Integer.fromArray(result, BASE, false)); + } + + var parseBase = function (text, base, alphabet, caseSensitive) { + alphabet = alphabet || DEFAULT_ALPHABET; + text = String(text); + if (!caseSensitive) { + text = text.toLowerCase(); + alphabet = alphabet.toLowerCase(); + } + var length = text.length; + var i; + var absBase = Math.abs(base); + var alphabetValues = {}; + for (i = 0; i < alphabet.length; i++) { + alphabetValues[alphabet[i]] = i; + } + for (i = 0; i < length; i++) { + var c = text[i]; + if (c === "-") continue; + if (c in alphabetValues) { + if (alphabetValues[c] >= absBase) { + if (c === "1" && absBase === 1) continue; + throw new Error(c + " is not a valid digit in base " + base + "."); + } + } + } + base = parseValue(base); + var digits = []; + var isNegative = text[0] === "-"; + for (i = isNegative ? 1 : 0; i < text.length; i++) { + var c = text[i]; + if (c in alphabetValues) digits.push(parseValue(alphabetValues[c])); + else if (c === "<") { + var start = i; + do { i++; } while (text[i] !== ">" && i < text.length); + digits.push(parseValue(text.slice(start + 1, i))); + } + else throw new Error(c + " is not a valid character"); + } + return parseBaseFromArray(digits, base, isNegative); + }; + + function parseBaseFromArray(digits, base, isNegative) { + var val = Integer[0], pow = Integer[1], i; + for (i = digits.length - 1; i >= 0; i--) { + val = val.add(digits[i].times(pow)); + pow = pow.times(base); + } + return isNegative ? val.negate() : val; + } + + function stringify(digit, alphabet) { + alphabet = alphabet || DEFAULT_ALPHABET; + if (digit < alphabet.length) { + return alphabet[digit]; + } + return "<" + digit + ">"; + } + + function toBase(n, base) { + base = bigInt(base); + if (base.isZero()) { + if (n.isZero()) return { value: [0], isNegative: false }; + throw new Error("Cannot convert nonzero numbers to base 0."); + } + if (base.equals(-1)) { + if (n.isZero()) return { value: [0], isNegative: false }; + if (n.isNegative()) + return { + value: [].concat.apply([], Array.apply(null, Array(-n.toJSNumber())) + .map(Array.prototype.valueOf, [1, 0]) + ), + isNegative: false + }; + + var arr = Array.apply(null, Array(n.toJSNumber() - 1)) + .map(Array.prototype.valueOf, [0, 1]); + arr.unshift([1]); + return { + value: [].concat.apply([], arr), + isNegative: false + }; + } + + var neg = false; + if (n.isNegative() && base.isPositive()) { + neg = true; + n = n.abs(); + } + if (base.isUnit()) { + if (n.isZero()) return { value: [0], isNegative: false }; + + return { + value: Array.apply(null, Array(n.toJSNumber())) + .map(Number.prototype.valueOf, 1), + isNegative: neg + }; + } + var out = []; + var left = n, divmod; + while (left.isNegative() || left.compareAbs(base) >= 0) { + divmod = left.divmod(base); + left = divmod.quotient; + var digit = divmod.remainder; + if (digit.isNegative()) { + digit = base.minus(digit).abs(); + left = left.next(); + } + out.push(digit.toJSNumber()); + } + out.push(left.toJSNumber()); + return { value: out.reverse(), isNegative: neg }; + } + + function toBaseString(n, base, alphabet) { + var arr = toBase(n, base); + return (arr.isNegative ? "-" : "") + arr.value.map(function (x) { + return stringify(x, alphabet); + }).join(''); + } + + BigInteger.prototype.toArray = function (radix) { + return toBase(this, radix); + }; + + SmallInteger.prototype.toArray = function (radix) { + return toBase(this, radix); + }; + + NativeBigInt.prototype.toArray = function (radix) { + return toBase(this, radix); + }; + + BigInteger.prototype.toString = function (radix, alphabet) { + if (radix === undefined) radix = 10; + if (radix !== 10 || alphabet) return toBaseString(this, radix, alphabet); + var v = this.value, l = v.length, str = String(v[--l]), zeros = "0000000", digit; + while (--l >= 0) { + digit = String(v[l]); + str += zeros.slice(digit.length) + digit; + } + var sign = this.sign ? "-" : ""; + return sign + str; + }; + + SmallInteger.prototype.toString = function (radix, alphabet) { + if (radix === undefined) radix = 10; + if (radix != 10 || alphabet) return toBaseString(this, radix, alphabet); + return String(this.value); + }; + + NativeBigInt.prototype.toString = SmallInteger.prototype.toString; + + NativeBigInt.prototype.toJSON = BigInteger.prototype.toJSON = SmallInteger.prototype.toJSON = function () { return this.toString(); } + + BigInteger.prototype.valueOf = function () { + return parseInt(this.toString(), 10); + }; + BigInteger.prototype.toJSNumber = BigInteger.prototype.valueOf; + + SmallInteger.prototype.valueOf = function () { + return this.value; + }; + SmallInteger.prototype.toJSNumber = SmallInteger.prototype.valueOf; + NativeBigInt.prototype.valueOf = NativeBigInt.prototype.toJSNumber = function () { + return parseInt(this.toString(), 10); + } + + function parseStringValue(v) { + if (isPrecise(+v)) { + var x = +v; + if (x === truncate(x)) + return supportsNativeBigInt ? new NativeBigInt(BigInt(x)) : new SmallInteger(x); + throw new Error("Invalid integer: " + v); + } + var sign = v[0] === "-"; + if (sign) v = v.slice(1); + var split = v.split(/e/i); + if (split.length > 2) throw new Error("Invalid integer: " + split.join("e")); + if (split.length === 2) { + var exp = split[1]; + if (exp[0] === "+") exp = exp.slice(1); + exp = +exp; + if (exp !== truncate(exp) || !isPrecise(exp)) throw new Error("Invalid integer: " + exp + " is not a valid exponent."); + var text = split[0]; + var decimalPlace = text.indexOf("."); + if (decimalPlace >= 0) { + exp -= text.length - decimalPlace - 1; + text = text.slice(0, decimalPlace) + text.slice(decimalPlace + 1); + } + if (exp < 0) throw new Error("Cannot include negative exponent part for integers"); + text += (new Array(exp + 1)).join("0"); + v = text; + } + var isValid = /^([0-9][0-9]*)$/.test(v); + if (!isValid) throw new Error("Invalid integer: " + v); + if (supportsNativeBigInt) { + return new NativeBigInt(BigInt(sign ? "-" + v : v)); + } + var r = [], max = v.length, l = LOG_BASE, min = max - l; + while (max > 0) { + r.push(+v.slice(min, max)); + min -= l; + if (min < 0) min = 0; + max -= l; + } + trim(r); + return new BigInteger(r, sign); + } + + function parseNumberValue(v) { + if (supportsNativeBigInt) { + return new NativeBigInt(BigInt(v)); + } + if (isPrecise(v)) { + if (v !== truncate(v)) throw new Error(v + " is not an integer."); + return new SmallInteger(v); + } + return parseStringValue(v.toString()); + } + + function parseValue(v) { + if (typeof v === "number") { + return parseNumberValue(v); + } + if (typeof v === "string") { + return parseStringValue(v); + } + if (typeof v === "bigint") { + return new NativeBigInt(v); + } + return v; + } + // Pre-define numbers in range [-999,999] + for (var i = 0; i < 1000; i++) { + Integer[i] = parseValue(i); + if (i > 0) Integer[-i] = parseValue(-i); + } + // Backwards compatibility + Integer.one = Integer[1]; + Integer.zero = Integer[0]; + Integer.minusOne = Integer[-1]; + Integer.max = max; + Integer.min = min; + Integer.gcd = gcd; + Integer.lcm = lcm; + Integer.isInstance = function (x) { return x instanceof BigInteger || x instanceof SmallInteger || x instanceof NativeBigInt; }; + Integer.randBetween = randBetween; + + Integer.fromArray = function (digits, base, isNegative) { + return parseBaseFromArray(digits.map(parseValue), parseValue(base || 10), isNegative); + }; + + return Integer; +})(); + +// Node.js check +if ( true && module.hasOwnProperty("exports")) { + module.exports = bigInt; +} + +//amd check +if (true) { + !(__WEBPACK_AMD_DEFINE_RESULT__ = (function () { + return bigInt; }).call(exports, __webpack_require__, exports, module), - __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)); -} + __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)); +} /***/ }), @@ -201036,276 +201036,276 @@ var COMPRESSED$1 = 'AEEUdwmgDS8BxQKKAP4BOgDjATAAngDUAIMAoABoAOAAagCOAEQAhABMAHIA const FENCED = new Map([[8217,"apostrophe"],[8260,"fraction slash"],[12539,"middle dot"]]); const NSM_MAX = 4; -function decode_arithmetic(bytes) { - let pos = 0; - function u16() { return (bytes[pos++] << 8) | bytes[pos++]; } - - // decode the frequency table - let symbol_count = u16(); - let total = 1; - let acc = [0, 1]; // first symbol has frequency 1 - for (let i = 1; i < symbol_count; i++) { - acc.push(total += u16()); - } - - // skip the sized-payload that the last 3 symbols index into - let skip = u16(); - let pos_payload = pos; - pos += skip; - - let read_width = 0; - let read_buffer = 0; - function read_bit() { - if (read_width == 0) { - // this will read beyond end of buffer - // but (undefined|0) => zero pad - read_buffer = (read_buffer << 8) | bytes[pos++]; - read_width = 8; - } - return (read_buffer >> --read_width) & 1; - } - - const N = 31; - const FULL = 2**N; - const HALF = FULL >>> 1; - const QRTR = HALF >> 1; - const MASK = FULL - 1; - - // fill register - let register = 0; - for (let i = 0; i < N; i++) register = (register << 1) | read_bit(); - - let symbols = []; - let low = 0; - let range = FULL; // treat like a float - while (true) { - let value = Math.floor((((register - low + 1) * total) - 1) / range); - let start = 0; - let end = symbol_count; - while (end - start > 1) { // binary search - let mid = (start + end) >>> 1; - if (value < acc[mid]) { - end = mid; - } else { - start = mid; - } - } - if (start == 0) break; // first symbol is end mark - symbols.push(start); - let a = low + Math.floor(range * acc[start] / total); - let b = low + Math.floor(range * acc[start+1] / total) - 1; - while (((a ^ b) & HALF) == 0) { - register = (register << 1) & MASK | read_bit(); - a = (a << 1) & MASK; - b = (b << 1) & MASK | 1; - } - while (a & ~b & QRTR) { - register = (register & HALF) | ((register << 1) & (MASK >>> 1)) | read_bit(); - a = (a << 1) ^ HALF; - b = ((b ^ HALF) << 1) | HALF | 1; - } - low = a; - range = 1 + b - a; - } - let offset = symbol_count - 4; - return symbols.map(x => { // index into payload - switch (x - offset) { - case 3: return offset + 0x10100 + ((bytes[pos_payload++] << 16) | (bytes[pos_payload++] << 8) | bytes[pos_payload++]); - case 2: return offset + 0x100 + ((bytes[pos_payload++] << 8) | bytes[pos_payload++]); - case 1: return offset + bytes[pos_payload++]; - default: return x - 1; - } - }); -} - -// returns an iterator which returns the next symbol -function read_payload(v) { - let pos = 0; - return () => v[pos++]; -} -function read_compressed_payload(s) { - return read_payload(decode_arithmetic(unsafe_atob(s))); +function decode_arithmetic(bytes) { + let pos = 0; + function u16() { return (bytes[pos++] << 8) | bytes[pos++]; } + + // decode the frequency table + let symbol_count = u16(); + let total = 1; + let acc = [0, 1]; // first symbol has frequency 1 + for (let i = 1; i < symbol_count; i++) { + acc.push(total += u16()); + } + + // skip the sized-payload that the last 3 symbols index into + let skip = u16(); + let pos_payload = pos; + pos += skip; + + let read_width = 0; + let read_buffer = 0; + function read_bit() { + if (read_width == 0) { + // this will read beyond end of buffer + // but (undefined|0) => zero pad + read_buffer = (read_buffer << 8) | bytes[pos++]; + read_width = 8; + } + return (read_buffer >> --read_width) & 1; + } + + const N = 31; + const FULL = 2**N; + const HALF = FULL >>> 1; + const QRTR = HALF >> 1; + const MASK = FULL - 1; + + // fill register + let register = 0; + for (let i = 0; i < N; i++) register = (register << 1) | read_bit(); + + let symbols = []; + let low = 0; + let range = FULL; // treat like a float + while (true) { + let value = Math.floor((((register - low + 1) * total) - 1) / range); + let start = 0; + let end = symbol_count; + while (end - start > 1) { // binary search + let mid = (start + end) >>> 1; + if (value < acc[mid]) { + end = mid; + } else { + start = mid; + } + } + if (start == 0) break; // first symbol is end mark + symbols.push(start); + let a = low + Math.floor(range * acc[start] / total); + let b = low + Math.floor(range * acc[start+1] / total) - 1; + while (((a ^ b) & HALF) == 0) { + register = (register << 1) & MASK | read_bit(); + a = (a << 1) & MASK; + b = (b << 1) & MASK | 1; + } + while (a & ~b & QRTR) { + register = (register & HALF) | ((register << 1) & (MASK >>> 1)) | read_bit(); + a = (a << 1) ^ HALF; + b = ((b ^ HALF) << 1) | HALF | 1; + } + low = a; + range = 1 + b - a; + } + let offset = symbol_count - 4; + return symbols.map(x => { // index into payload + switch (x - offset) { + case 3: return offset + 0x10100 + ((bytes[pos_payload++] << 16) | (bytes[pos_payload++] << 8) | bytes[pos_payload++]); + case 2: return offset + 0x100 + ((bytes[pos_payload++] << 8) | bytes[pos_payload++]); + case 1: return offset + bytes[pos_payload++]; + default: return x - 1; + } + }); +} + +// returns an iterator which returns the next symbol +function read_payload(v) { + let pos = 0; + return () => v[pos++]; +} +function read_compressed_payload(s) { + return read_payload(decode_arithmetic(unsafe_atob(s))); +} + +// unsafe in the sense: +// expected well-formed Base64 w/o padding +// 20220922: added for https://github.com/adraffy/ens-normalize.js/issues/4 +function unsafe_atob(s) { + let lookup = []; + [...'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'].forEach((c, i) => lookup[c.charCodeAt(0)] = i); + let n = s.length; + let ret = new Uint8Array((6 * n) >> 3); + for (let i = 0, pos = 0, width = 0, carry = 0; i < n; i++) { + carry = (carry << 6) | lookup[s.charCodeAt(i)]; + width += 6; + if (width >= 8) { + ret[pos++] = (carry >> (width -= 8)); + } + } + return ret; +} + +// eg. [0,1,2,3...] => [0,-1,1,-2,...] +function signed(i) { + return (i & 1) ? (~i >> 1) : (i >> 1); +} + +function read_deltas(n, next) { + let v = Array(n); + for (let i = 0, x = 0; i < n; i++) v[i] = x += signed(next()); + return v; +} + +// [123][5] => [0 3] [1 1] [0 0] +function read_sorted(next, prev = 0) { + let ret = []; + while (true) { + let x = next(); + let n = next(); + if (!n) break; + prev += x; + for (let i = 0; i < n; i++) { + ret.push(prev + i); + } + prev += n + 1; + } + return ret; +} + +function read_sorted_arrays(next) { + return read_array_while(() => { + let v = read_sorted(next); + if (v.length) return v; + }); +} + +// returns map of x => ys +function read_mapped(next) { + let ret = []; + while (true) { + let w = next(); + if (w == 0) break; + ret.push(read_linear_table(w, next)); + } + while (true) { + let w = next() - 1; + if (w < 0) break; + ret.push(read_replacement_table(w, next)); + } + return ret.flat(); +} + +// read until next is falsy +// return array of read values +function read_array_while(next) { + let v = []; + while (true) { + let x = next(v.length); + if (!x) break; + v.push(x); + } + return v; +} + +// read w columns of length n +// return as n rows of length w +function read_transposed(n, w, next) { + let m = Array(n).fill().map(() => []); + for (let i = 0; i < w; i++) { + read_deltas(n, next).forEach((x, j) => m[j].push(x)); + } + return m; +} + +// returns [[x, ys], [x+dx, ys+dy], [x+2*dx, ys+2*dy], ...] +// where dx/dy = steps, n = run size, w = length of y +function read_linear_table(w, next) { + let dx = 1 + next(); + let dy = next(); + let vN = read_array_while(next); + let m = read_transposed(vN.length, 1+w, next); + return m.flatMap((v, i) => { + let [x, ...ys] = v; + return Array(vN[i]).fill().map((_, j) => { + let j_dy = j * dy; + return [x + j * dx, ys.map(y => y + j_dy)]; + }); + }); +} + +// return [[x, ys...], ...] +// where w = length of y +function read_replacement_table(w, next) { + let n = 1 + next(); + let m = read_transposed(n, 1+w, next); + return m.map(v => [v[0], v.slice(1)]); +} + + +function read_trie(next) { + let ret = []; + let sorted = read_sorted(next); + expand(decode([]), []); + return ret; // not sorted + function decode(Q) { // characters that lead into this node + let S = next(); // state: valid, save, check + let B = read_array_while(() => { // buckets leading to new nodes + let cps = read_sorted(next).map(i => sorted[i]); + if (cps.length) return decode(cps); + }); + return {S, B, Q}; + } + function expand({S, B}, cps, saved) { + if (S & 4 && saved === cps[cps.length-1]) return; + if (S & 2) saved = cps[cps.length-1]; + if (S & 1) ret.push(cps); + for (let br of B) { + for (let cp of br.Q) { + expand(br, [...cps, cp], saved); + } + } + } } -// unsafe in the sense: -// expected well-formed Base64 w/o padding -// 20220922: added for https://github.com/adraffy/ens-normalize.js/issues/4 -function unsafe_atob(s) { - let lookup = []; - [...'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'].forEach((c, i) => lookup[c.charCodeAt(0)] = i); - let n = s.length; - let ret = new Uint8Array((6 * n) >> 3); - for (let i = 0, pos = 0, width = 0, carry = 0; i < n; i++) { - carry = (carry << 6) | lookup[s.charCodeAt(i)]; - width += 6; - if (width >= 8) { - ret[pos++] = (carry >> (width -= 8)); - } - } - return ret; -} - -// eg. [0,1,2,3...] => [0,-1,1,-2,...] -function signed(i) { - return (i & 1) ? (~i >> 1) : (i >> 1); -} - -function read_deltas(n, next) { - let v = Array(n); - for (let i = 0, x = 0; i < n; i++) v[i] = x += signed(next()); - return v; -} - -// [123][5] => [0 3] [1 1] [0 0] -function read_sorted(next, prev = 0) { - let ret = []; - while (true) { - let x = next(); - let n = next(); - if (!n) break; - prev += x; - for (let i = 0; i < n; i++) { - ret.push(prev + i); - } - prev += n + 1; - } - return ret; -} - -function read_sorted_arrays(next) { - return read_array_while(() => { - let v = read_sorted(next); - if (v.length) return v; - }); -} - -// returns map of x => ys -function read_mapped(next) { - let ret = []; - while (true) { - let w = next(); - if (w == 0) break; - ret.push(read_linear_table(w, next)); - } - while (true) { - let w = next() - 1; - if (w < 0) break; - ret.push(read_replacement_table(w, next)); - } - return ret.flat(); -} - -// read until next is falsy -// return array of read values -function read_array_while(next) { - let v = []; - while (true) { - let x = next(v.length); - if (!x) break; - v.push(x); - } - return v; -} - -// read w columns of length n -// return as n rows of length w -function read_transposed(n, w, next) { - let m = Array(n).fill().map(() => []); - for (let i = 0; i < w; i++) { - read_deltas(n, next).forEach((x, j) => m[j].push(x)); - } - return m; -} - -// returns [[x, ys], [x+dx, ys+dy], [x+2*dx, ys+2*dy], ...] -// where dx/dy = steps, n = run size, w = length of y -function read_linear_table(w, next) { - let dx = 1 + next(); - let dy = next(); - let vN = read_array_while(next); - let m = read_transposed(vN.length, 1+w, next); - return m.flatMap((v, i) => { - let [x, ...ys] = v; - return Array(vN[i]).fill().map((_, j) => { - let j_dy = j * dy; - return [x + j * dx, ys.map(y => y + j_dy)]; - }); - }); -} - -// return [[x, ys...], ...] -// where w = length of y -function read_replacement_table(w, next) { - let n = 1 + next(); - let m = read_transposed(n, 1+w, next); - return m.map(v => [v[0], v.slice(1)]); -} - - -function read_trie(next) { - let ret = []; - let sorted = read_sorted(next); - expand(decode([]), []); - return ret; // not sorted - function decode(Q) { // characters that lead into this node - let S = next(); // state: valid, save, check - let B = read_array_while(() => { // buckets leading to new nodes - let cps = read_sorted(next).map(i => sorted[i]); - if (cps.length) return decode(cps); - }); - return {S, B, Q}; - } - function expand({S, B}, cps, saved) { - if (S & 4 && saved === cps[cps.length-1]) return; - if (S & 2) saved = cps[cps.length-1]; - if (S & 1) ret.push(cps); - for (let br of B) { - for (let cp of br.Q) { - expand(br, [...cps, cp], saved); - } - } - } -} - -function hex_cp(cp) { - return cp.toString(16).toUpperCase().padStart(2, '0'); -} - -function quote_cp(cp) { - return `{${hex_cp(cp)}}`; // raffy convention: like "\u{X}" w/o the "\u" -} - -/* -export function explode_cp(s) { - return [...s].map(c => c.codePointAt(0)); -} -*/ -function explode_cp(s) { // this is about 2x faster - let cps = []; - for (let pos = 0, len = s.length; pos < len; ) { - let cp = s.codePointAt(pos); - pos += cp < 0x10000 ? 1 : 2; - cps.push(cp); - } - return cps; -} - -function str_from_cps(cps) { - const chunk = 4096; - let len = cps.length; - if (len < chunk) return String.fromCodePoint(...cps); - let buf = []; - for (let i = 0; i < len; ) { - buf.push(String.fromCodePoint(...cps.slice(i, i += chunk))); - } - return buf.join(''); -} - -function compare_arrays(a, b) { - let n = a.length; - let c = n - b.length; - for (let i = 0; c == 0 && i < n; i++) c = a[i] - b[i]; - return c; +function hex_cp(cp) { + return cp.toString(16).toUpperCase().padStart(2, '0'); +} + +function quote_cp(cp) { + return `{${hex_cp(cp)}}`; // raffy convention: like "\u{X}" w/o the "\u" +} + +/* +export function explode_cp(s) { + return [...s].map(c => c.codePointAt(0)); +} +*/ +function explode_cp(s) { // this is about 2x faster + let cps = []; + for (let pos = 0, len = s.length; pos < len; ) { + let cp = s.codePointAt(pos); + pos += cp < 0x10000 ? 1 : 2; + cps.push(cp); + } + return cps; +} + +function str_from_cps(cps) { + const chunk = 4096; + let len = cps.length; + if (len < chunk) return String.fromCodePoint(...cps); + let buf = []; + for (let i = 0; i < len; ) { + buf.push(String.fromCodePoint(...cps.slice(i, i += chunk))); + } + return buf.join(''); +} + +function compare_arrays(a, b) { + let n = a.length; + let c = n - b.length; + for (let i = 0; c == 0 && i < n; i++) c = a[i] - b[i]; + return c; } // created 2023-09-25T01:01:55.148Z @@ -201315,955 +201315,955 @@ function compare_arrays(a, b) { // SHA-256: a974b6f8541fc29d919bc85118af0a44015851fab5343f8679cb31be2bdb209e var COMPRESSED = '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'; -// https://unicode.org/reports/tr15/ -// for reference implementation -// see: /derive/nf.js - - -// algorithmic hangul -// https://www.unicode.org/versions/Unicode15.0.0/ch03.pdf (page 144) -const S0 = 0xAC00; -const L0 = 0x1100; -const V0 = 0x1161; -const T0 = 0x11A7; -const L_COUNT = 19; -const V_COUNT = 21; -const T_COUNT = 28; -const N_COUNT = V_COUNT * T_COUNT; -const S_COUNT = L_COUNT * N_COUNT; -const S1 = S0 + S_COUNT; -const L1 = L0 + L_COUNT; -const V1 = V0 + V_COUNT; -const T1 = T0 + T_COUNT; - -function unpack_cc(packed) { - return (packed >> 24) & 0xFF; -} -function unpack_cp(packed) { - return packed & 0xFFFFFF; +// https://unicode.org/reports/tr15/ +// for reference implementation +// see: /derive/nf.js + + +// algorithmic hangul +// https://www.unicode.org/versions/Unicode15.0.0/ch03.pdf (page 144) +const S0 = 0xAC00; +const L0 = 0x1100; +const V0 = 0x1161; +const T0 = 0x11A7; +const L_COUNT = 19; +const V_COUNT = 21; +const T_COUNT = 28; +const N_COUNT = V_COUNT * T_COUNT; +const S_COUNT = L_COUNT * N_COUNT; +const S1 = S0 + S_COUNT; +const L1 = L0 + L_COUNT; +const V1 = V0 + V_COUNT; +const T1 = T0 + T_COUNT; + +function unpack_cc(packed) { + return (packed >> 24) & 0xFF; +} +function unpack_cp(packed) { + return packed & 0xFFFFFF; +} + +let SHIFTED_RANK, EXCLUSIONS, DECOMP, RECOMP; + +function init$1() { + //console.time('nf'); + let r = read_compressed_payload(COMPRESSED); + SHIFTED_RANK = new Map(read_sorted_arrays(r).flatMap((v, i) => v.map(x => [x, (i+1) << 24]))); // pre-shifted + EXCLUSIONS = new Set(read_sorted(r)); + DECOMP = new Map(); + RECOMP = new Map(); + for (let [cp, cps] of read_mapped(r)) { + if (!EXCLUSIONS.has(cp) && cps.length == 2) { + let [a, b] = cps; + let bucket = RECOMP.get(a); + if (!bucket) { + bucket = new Map(); + RECOMP.set(a, bucket); + } + bucket.set(b, cp); + } + DECOMP.set(cp, cps.reverse()); // stored reversed + } + //console.timeEnd('nf'); + // 20230905: 11ms +} + +function is_hangul(cp) { + return cp >= S0 && cp < S1; +} + +function compose_pair(a, b) { + if (a >= L0 && a < L1 && b >= V0 && b < V1) { + return S0 + (a - L0) * N_COUNT + (b - V0) * T_COUNT; + } else if (is_hangul(a) && b > T0 && b < T1 && (a - S0) % T_COUNT == 0) { + return a + (b - T0); + } else { + let recomp = RECOMP.get(a); + if (recomp) { + recomp = recomp.get(b); + if (recomp) { + return recomp; + } + } + return -1; + } +} + +function decomposed(cps) { + if (!SHIFTED_RANK) init$1(); + let ret = []; + let buf = []; + let check_order = false; + function add(cp) { + let cc = SHIFTED_RANK.get(cp); + if (cc) { + check_order = true; + cp |= cc; + } + ret.push(cp); + } + for (let cp of cps) { + while (true) { + if (cp < 0x80) { + ret.push(cp); + } else if (is_hangul(cp)) { + let s_index = cp - S0; + let l_index = s_index / N_COUNT | 0; + let v_index = (s_index % N_COUNT) / T_COUNT | 0; + let t_index = s_index % T_COUNT; + add(L0 + l_index); + add(V0 + v_index); + if (t_index > 0) add(T0 + t_index); + } else { + let mapped = DECOMP.get(cp); + if (mapped) { + buf.push(...mapped); + } else { + add(cp); + } + } + if (!buf.length) break; + cp = buf.pop(); + } + } + if (check_order && ret.length > 1) { + let prev_cc = unpack_cc(ret[0]); + for (let i = 1; i < ret.length; i++) { + let cc = unpack_cc(ret[i]); + if (cc == 0 || prev_cc <= cc) { + prev_cc = cc; + continue; + } + let j = i-1; + while (true) { + let tmp = ret[j+1]; + ret[j+1] = ret[j]; + ret[j] = tmp; + if (!j) break; + prev_cc = unpack_cc(ret[--j]); + if (prev_cc <= cc) break; + } + prev_cc = unpack_cc(ret[i]); + } + } + return ret; +} + +function composed_from_decomposed(v) { + let ret = []; + let stack = []; + let prev_cp = -1; + let prev_cc = 0; + for (let packed of v) { + let cc = unpack_cc(packed); + let cp = unpack_cp(packed); + if (prev_cp == -1) { + if (cc == 0) { + prev_cp = cp; + } else { + ret.push(cp); + } + } else if (prev_cc > 0 && prev_cc >= cc) { + if (cc == 0) { + ret.push(prev_cp, ...stack); + stack.length = 0; + prev_cp = cp; + } else { + stack.push(cp); + } + prev_cc = cc; + } else { + let composed = compose_pair(prev_cp, cp); + if (composed >= 0) { + prev_cp = composed; + } else if (prev_cc == 0 && cc == 0) { + ret.push(prev_cp); + prev_cp = cp; + } else { + stack.push(cp); + prev_cc = cc; + } + } + } + if (prev_cp >= 0) { + ret.push(prev_cp, ...stack); + } + return ret; +} + +// note: cps can be iterable +function nfd(cps) { + return decomposed(cps).map(unpack_cp); +} +function nfc(cps) { + return composed_from_decomposed(decomposed(cps)); } -let SHIFTED_RANK, EXCLUSIONS, DECOMP, RECOMP; - -function init$1() { - //console.time('nf'); - let r = read_compressed_payload(COMPRESSED); - SHIFTED_RANK = new Map(read_sorted_arrays(r).flatMap((v, i) => v.map(x => [x, (i+1) << 24]))); // pre-shifted - EXCLUSIONS = new Set(read_sorted(r)); - DECOMP = new Map(); - RECOMP = new Map(); - for (let [cp, cps] of read_mapped(r)) { - if (!EXCLUSIONS.has(cp) && cps.length == 2) { - let [a, b] = cps; - let bucket = RECOMP.get(a); - if (!bucket) { - bucket = new Map(); - RECOMP.set(a, bucket); - } - bucket.set(b, cp); - } - DECOMP.set(cp, cps.reverse()); // stored reversed - } - //console.timeEnd('nf'); - // 20230905: 11ms -} - -function is_hangul(cp) { - return cp >= S0 && cp < S1; -} - -function compose_pair(a, b) { - if (a >= L0 && a < L1 && b >= V0 && b < V1) { - return S0 + (a - L0) * N_COUNT + (b - V0) * T_COUNT; - } else if (is_hangul(a) && b > T0 && b < T1 && (a - S0) % T_COUNT == 0) { - return a + (b - T0); - } else { - let recomp = RECOMP.get(a); - if (recomp) { - recomp = recomp.get(b); - if (recomp) { - return recomp; - } - } - return -1; - } -} - -function decomposed(cps) { - if (!SHIFTED_RANK) init$1(); - let ret = []; - let buf = []; - let check_order = false; - function add(cp) { - let cc = SHIFTED_RANK.get(cp); - if (cc) { - check_order = true; - cp |= cc; - } - ret.push(cp); - } - for (let cp of cps) { - while (true) { - if (cp < 0x80) { - ret.push(cp); - } else if (is_hangul(cp)) { - let s_index = cp - S0; - let l_index = s_index / N_COUNT | 0; - let v_index = (s_index % N_COUNT) / T_COUNT | 0; - let t_index = s_index % T_COUNT; - add(L0 + l_index); - add(V0 + v_index); - if (t_index > 0) add(T0 + t_index); - } else { - let mapped = DECOMP.get(cp); - if (mapped) { - buf.push(...mapped); - } else { - add(cp); - } - } - if (!buf.length) break; - cp = buf.pop(); - } - } - if (check_order && ret.length > 1) { - let prev_cc = unpack_cc(ret[0]); - for (let i = 1; i < ret.length; i++) { - let cc = unpack_cc(ret[i]); - if (cc == 0 || prev_cc <= cc) { - prev_cc = cc; - continue; - } - let j = i-1; - while (true) { - let tmp = ret[j+1]; - ret[j+1] = ret[j]; - ret[j] = tmp; - if (!j) break; - prev_cc = unpack_cc(ret[--j]); - if (prev_cc <= cc) break; - } - prev_cc = unpack_cc(ret[i]); - } - } - return ret; -} - -function composed_from_decomposed(v) { - let ret = []; - let stack = []; - let prev_cp = -1; - let prev_cc = 0; - for (let packed of v) { - let cc = unpack_cc(packed); - let cp = unpack_cp(packed); - if (prev_cp == -1) { - if (cc == 0) { - prev_cp = cp; - } else { - ret.push(cp); - } - } else if (prev_cc > 0 && prev_cc >= cc) { - if (cc == 0) { - ret.push(prev_cp, ...stack); - stack.length = 0; - prev_cp = cp; - } else { - stack.push(cp); - } - prev_cc = cc; - } else { - let composed = compose_pair(prev_cp, cp); - if (composed >= 0) { - prev_cp = composed; - } else if (prev_cc == 0 && cc == 0) { - ret.push(prev_cp); - prev_cp = cp; - } else { - stack.push(cp); - prev_cc = cc; - } - } - } - if (prev_cp >= 0) { - ret.push(prev_cp, ...stack); - } - return ret; -} - -// note: cps can be iterable -function nfd(cps) { - return decomposed(cps).map(unpack_cp); -} -function nfc(cps) { - return composed_from_decomposed(decomposed(cps)); -} - -const HYPHEN = 0x2D; -const STOP = 0x2E; -const STOP_CH = '.'; -const FE0F = 0xFE0F; -const UNIQUE_PH = 1; - -// 20230913: replace [...v] with Array_from(v) to avoid large spreads -const Array_from = x => Array.from(x); // Array.from.bind(Array); - -function group_has_cp(g, cp) { - // 20230913: keep primary and secondary distinct instead of creating valid union - return g.P.has(cp) || g.Q.has(cp); -} - -class Emoji extends Array { - get is_emoji() { return true; } // free tagging system -} - -let MAPPED, IGNORED, CM, NSM, ESCAPE, NFC_CHECK, GROUPS, WHOLE_VALID, WHOLE_MAP, VALID, EMOJI_LIST, EMOJI_ROOT; - -function init() { - if (MAPPED) return; - - let r = read_compressed_payload(COMPRESSED$1); - const read_sorted_array = () => read_sorted(r); - const read_sorted_set = () => new Set(read_sorted_array()); - const set_add_many = (set, v) => v.forEach(x => set.add(x)); - - MAPPED = new Map(read_mapped(r)); - IGNORED = read_sorted_set(); // ignored characters are not valid, so just read raw codepoints - - /* - // direct include from payload is smaller than the decompression code - const FENCED = new Map(read_array_while(() => { - let cp = r(); - if (cp) return [cp, read_str(r())]; - })); - */ - // 20230217: we still need all CM for proper error formatting - // but norm only needs NSM subset that are potentially-valid - CM = read_sorted_array(); - NSM = new Set(read_sorted_array().map(i => CM[i])); - CM = new Set(CM); - - ESCAPE = read_sorted_set(); // characters that should not be printed - NFC_CHECK = read_sorted_set(); // only needed to illustrate ens_tokenize() transformations - - let chunks = read_sorted_arrays(r); - let unrestricted = r(); - //const read_chunked = () => new Set(read_sorted_array().flatMap(i => chunks[i]).concat(read_sorted_array())); - const read_chunked = () => { - // 20230921: build set in parts, 2x faster - let set = new Set(); - read_sorted_array().forEach(i => set_add_many(set, chunks[i])); - set_add_many(set, read_sorted_array()); - return set; - }; - GROUPS = read_array_while(i => { - // minifier property mangling seems unsafe - // so these are manually renamed to single chars - let N = read_array_while(r).map(x => x+0x60); - if (N.length) { - let R = i >= unrestricted; // unrestricted then restricted - N[0] -= 32; // capitalize - N = str_from_cps(N); - if (R) N=`Restricted[${N}]`; - let P = read_chunked(); // primary - let Q = read_chunked(); // secondary - let M = !r(); // not-whitelisted, check for NSM - // *** this code currently isn't needed *** - /* - let V = [...P, ...Q].sort((a, b) => a-b); // derive: sorted valid - let M = r()-1; // number of combining mark - if (M < 0) { // whitelisted - M = new Map(read_array_while(() => { - let i = r(); - if (i) return [V[i-1], read_array_while(() => { - let v = read_array_while(r); - if (v.length) return v.map(x => x-1); - })]; - })); - }*/ - return {N, P, Q, M, R}; - } - }); - - // decode compressed wholes - WHOLE_VALID = read_sorted_set(); - WHOLE_MAP = new Map(); - let wholes = read_sorted_array().concat(Array_from(WHOLE_VALID)).sort((a, b) => a-b); // must be sorted - wholes.forEach((cp, i) => { - let d = r(); - let w = wholes[i] = d ? wholes[i-d] : {V: [], M: new Map()}; - w.V.push(cp); // add to member set - if (!WHOLE_VALID.has(cp)) { - WHOLE_MAP.set(cp, w); // register with whole map - } - }); - - // compute confusable-extent complements - // usage: WHOLE_MAP.get(cp).M.get(cp) = complement set - for (let {V, M} of new Set(WHOLE_MAP.values())) { - // connect all groups that have each whole character - let recs = []; - for (let cp of V) { - let gs = GROUPS.filter(g => group_has_cp(g, cp)); - let rec = recs.find(({G}) => gs.some(g => G.has(g))); - if (!rec) { - rec = {G: new Set(), V: []}; - recs.push(rec); - } - rec.V.push(cp); - set_add_many(rec.G, gs); - } - // per character cache groups which are not a member of the extent - let union = recs.flatMap(x => Array_from(x.G)); // all of the groups used by this whole - for (let {G, V} of recs) { - let complement = new Set(union.filter(g => !G.has(g))); // groups not covered by the extent - for (let cp of V) { - M.set(cp, complement); // this is the same reference - } - } - } - - // compute valid set - // 20230924: VALID was union but can be re-used - VALID = new Set(); // exists in 1+ groups - let multi = new Set(); // exists in 2+ groups - const add_to_union = cp => VALID.has(cp) ? multi.add(cp) : VALID.add(cp); - for (let g of GROUPS) { - for (let cp of g.P) add_to_union(cp); - for (let cp of g.Q) add_to_union(cp); - } - // dual purpose WHOLE_MAP: return placeholder if unique non-confusable - for (let cp of VALID) { - if (!WHOLE_MAP.has(cp) && !multi.has(cp)) { - WHOLE_MAP.set(cp, UNIQUE_PH); - } - } - // add all decomposed parts - // see derive: "Valid is Closed (via Brute-force)" - set_add_many(VALID, nfd(VALID)); - - // decode emoji - // 20230719: emoji are now fully-expanded to avoid quirk logic - EMOJI_LIST = read_trie(r).map(v => Emoji.from(v)).sort(compare_arrays); - EMOJI_ROOT = new Map(); // this has approx 7K nodes (2+ per emoji) - for (let cps of EMOJI_LIST) { - // 20230719: change to *slightly* stricter algorithm which disallows - // insertion of misplaced FE0F in emoji sequences (matching ENSIP-15) - // example: beautified [A B] (eg. flag emoji) - // before: allow: [A FE0F B], error: [A FE0F FE0F B] - // after: error: both - // note: this code now matches ENSNormalize.{cs,java} logic - let prev = [EMOJI_ROOT]; - for (let cp of cps) { - let next = prev.map(node => { - let child = node.get(cp); - if (!child) { - // should this be object? - // (most have 1-2 items, few have many) - // 20230719: no, v8 default map is 4? - child = new Map(); - node.set(cp, child); - } - return child; - }); - if (cp === FE0F) { - prev.push(...next); // less than 20 elements - } else { - prev = next; - } - } - for (let x of prev) { - x.V = cps; - } - } -} - -// if escaped: {HEX} -// else: "x" {HEX} -function quoted_cp(cp) { - return (should_escape(cp) ? '' : `${bidi_qq(safe_str_from_cps([cp]))} `) + quote_cp(cp); -} - -// 20230211: some messages can be mixed-directional and result in spillover -// use 200E after a quoted string to force the remainder of a string from -// acquring the direction of the quote -// https://www.w3.org/International/questions/qa-bidi-unicode-controls#exceptions -function bidi_qq(s) { - return `"${s}"\u200E`; // strong LTR -} - -function check_label_extension(cps) { - if (cps.length >= 4 && cps[2] == HYPHEN && cps[3] == HYPHEN) { - throw new Error(`invalid label extension: "${str_from_cps(cps.slice(0, 4))}"`); // this can only be ascii so cant be bidi - } -} -function check_leading_underscore(cps) { - const UNDERSCORE = 0x5F; - for (let i = cps.lastIndexOf(UNDERSCORE); i > 0; ) { - if (cps[--i] !== UNDERSCORE) { - throw new Error('underscore allowed only at start'); - } - } -} -// check that a fenced cp is not leading, trailing, or touching another fenced cp -function check_fenced(cps) { - let cp = cps[0]; - let prev = FENCED.get(cp); - if (prev) throw error_placement(`leading ${prev}`); - let n = cps.length; - let last = -1; // prevents trailing from throwing - for (let i = 1; i < n; i++) { - cp = cps[i]; - let match = FENCED.get(cp); - if (match) { - // since cps[0] isn't fenced, cps[1] cannot throw - if (last == i) throw error_placement(`${prev} + ${match}`); - last = i + 1; - prev = match; - } - } - if (last == n) throw error_placement(`trailing ${prev}`); -} - -// create a safe to print string -// invisibles are escaped -// leading cm uses placeholder -// if cps exceed max, middle truncate with ellipsis -// quoter(cp) => string, eg. 3000 => "{3000}" -// note: in html, you'd call this function then replace [<>&] with entities -function safe_str_from_cps(cps, max = Infinity, quoter = quote_cp) { - //if (Number.isInteger(cps)) cps = [cps]; - //if (!Array.isArray(cps)) throw new TypeError(`expected codepoints`); - let buf = []; - if (is_combining_mark(cps[0])) buf.push('◌'); - if (cps.length > max) { - max >>= 1; - cps = [...cps.slice(0, max), 0x2026, ...cps.slice(-max)]; - } - let prev = 0; - let n = cps.length; - for (let i = 0; i < n; i++) { - let cp = cps[i]; - if (should_escape(cp)) { - buf.push(str_from_cps(cps.slice(prev, i))); - buf.push(quoter(cp)); - prev = i + 1; - } - } - buf.push(str_from_cps(cps.slice(prev, n))); - return buf.join(''); -} - -// note: set(s) cannot be exposed because they can be modified -// note: Object.freeze() doesn't work -function is_combining_mark(cp) { - init(); - return CM.has(cp); -} -function should_escape(cp) { - init(); - return ESCAPE.has(cp); -} - -// return all supported emoji as fully-qualified emoji -// ordered by length then lexicographic -function ens_emoji() { - init(); - return EMOJI_LIST.map(x => x.slice()); // emoji are exposed so copy -} - -function ens_normalize_fragment(frag, decompose) { - init(); - let nf = decompose ? nfd : nfc; - return frag.split(STOP_CH).map(label => str_from_cps(tokens_from_str(explode_cp(label), nf, filter_fe0f).flat())).join(STOP_CH); -} - -function ens_normalize(name) { - return flatten(split(name, nfc, filter_fe0f)); -} - -function ens_beautify(name) { - let labels = split(name, nfc, x => x); // emoji not exposed - for (let {type, output, error} of labels) { - if (error) break; // flatten will throw - - // replace leading/trailing hyphen - // 20230121: consider beautifing all or leading/trailing hyphen to unicode variant - // not exactly the same in every font, but very similar: "-" vs "‐" - /* - const UNICODE_HYPHEN = 0x2010; - // maybe this should replace all for visual consistancy? - // `node tools/reg-count.js regex ^-\{2,\}` => 592 - //for (let i = 0; i < output.length; i++) if (output[i] == 0x2D) output[i] = 0x2010; - if (output[0] == HYPHEN) output[0] = UNICODE_HYPHEN; - let end = output.length-1; - if (output[end] == HYPHEN) output[end] = UNICODE_HYPHEN; - */ - // 20230123: WHATWG URL uses "CheckHyphens" false - // https://url.spec.whatwg.org/#idna - - // update ethereum symbol - // ξ => Ξ if not greek - if (type !== 'Greek') array_replace(output, 0x3BE, 0x39E); - - // 20221213: fixes bidi subdomain issue, but breaks invariant (200E is disallowed) - // could be fixed with special case for: 2D (.) + 200E (LTR) - // https://discuss.ens.domains/t/bidi-label-ordering-spoof/15824 - //output.splice(0, 0, 0x200E); - } - return flatten(labels); -} - -function array_replace(v, a, b) { - let prev = 0; - while (true) { - let next = v.indexOf(a, prev); - if (next < 0) break; - v[next] = b; - prev = next + 1; - } -} - -function ens_split(name, preserve_emoji) { - return split(name, nfc, preserve_emoji ? x => x.slice() : filter_fe0f); // emoji are exposed so copy -} - -function split(name, nf, ef) { - if (!name) return []; // 20230719: empty name allowance - init(); - let offset = 0; - // https://unicode.org/reports/tr46/#Validity_Criteria - // 4.) "The label must not contain a U+002E ( . ) FULL STOP." - return name.split(STOP_CH).map(label => { - let input = explode_cp(label); - let info = { - input, - offset, // codepoint, not substring! - }; - offset += input.length + 1; // + stop - try { - // 1.) "The label must be in Unicode Normalization Form NFC" - let tokens = info.tokens = tokens_from_str(input, nf, ef); - let token_count = tokens.length; - let type; - if (!token_count) { // the label was effectively empty (could of had ignored characters) - //norm = []; - //type = 'None'; // use this instead of next match, "ASCII" - // 20230120: change to strict - // https://discuss.ens.domains/t/ens-name-normalization-2nd/14564/59 - throw new Error(`empty label`); - } - let norm = info.output = tokens.flat(); - check_leading_underscore(norm); - let emoji = info.emoji = token_count > 1 || tokens[0].is_emoji; // same as: tokens.some(x => x.is_emoji); - if (!emoji && norm.every(cp => cp < 0x80)) { // special case for ascii - // 20230123: matches matches WHATWG, see note 3.3 - check_label_extension(norm); // only needed for ascii - // cant have fenced - // cant have cm - // cant have wholes - // see derive: "Fastpath ASCII" - type = 'ASCII'; - } else { - let chars = tokens.flatMap(x => x.is_emoji ? [] : x); // all of the nfc tokens concat together - if (!chars.length) { // theres no text, just emoji - type = 'Emoji'; - } else { - // 5.) "The label must not begin with a combining mark, that is: General_Category=Mark." - if (CM.has(norm[0])) throw error_placement('leading combining mark'); - for (let i = 1; i < token_count; i++) { // we've already checked the first token - let cps = tokens[i]; - if (!cps.is_emoji && CM.has(cps[0])) { // every text token has emoji neighbors, eg. EtEEEtEt... - // bidi_qq() not needed since emoji is LTR and cps is a CM - throw error_placement(`emoji + combining mark: "${str_from_cps(tokens[i-1])} + ${safe_str_from_cps([cps[0]])}"`); - } - } - check_fenced(norm); - let unique = Array_from(new Set(chars)); - let [g] = determine_group(unique); // take the first match - // see derive: "Matching Groups have Same CM Style" - // alternative: could form a hybrid type: Latin/Japanese/... - check_group(g, chars); // need text in order - check_whole(g, unique); // only need unique text (order would be required for multiple-char confusables) - type = g.N; - // 20230121: consider exposing restricted flag - // it's simpler to just check for 'Restricted' - // or even better: type.endsWith(']') - //if (g.R) info.restricted = true; - } - } - info.type = type; - } catch (err) { - info.error = err; // use full error object - } - return info; - }); -} - -function check_whole(group, unique) { - let maker; - let shared = []; - for (let cp of unique) { - let whole = WHOLE_MAP.get(cp); - if (whole === UNIQUE_PH) return; // unique, non-confusable - if (whole) { - let set = whole.M.get(cp); // groups which have a character that look-like this character - maker = maker ? maker.filter(g => set.has(g)) : Array_from(set); - if (!maker.length) return; // confusable intersection is empty - } else { - shared.push(cp); - } - } - if (maker) { - // we have 1+ confusable - // check if any of the remaining groups - // contain the shared characters too - for (let g of maker) { - if (shared.every(cp => group_has_cp(g, cp))) { - throw new Error(`whole-script confusable: ${group.N}/${g.N}`); - } - } - } -} - -// assumption: unique.size > 0 -// returns list of matching groups -function determine_group(unique) { - let groups = GROUPS; - for (let cp of unique) { - // note: we need to dodge CM that are whitelisted - // but that code isn't currently necessary - let gs = groups.filter(g => group_has_cp(g, cp)); - if (!gs.length) { - if (!GROUPS.some(g => group_has_cp(g, cp))) { - // the character was composed of valid parts - // but it's NFC form is invalid - // 20230716: change to more exact statement, see: ENSNormalize.{cs,java} - // note: this doesn't have to be a composition - // 20230720: change to full check - throw error_disallowed(cp); // this should be rare - } else { - // there is no group that contains all these characters - // throw using the highest priority group that matched - // https://www.unicode.org/reports/tr39/#mixed_script_confusables - throw error_group_member(groups[0], cp); - } - } - groups = gs; - if (gs.length == 1) break; // there is only one group left - } - // there are at least 1 group(s) with all of these characters - return groups; -} - -// throw on first error -function flatten(split) { - return split.map(({input, error, output}) => { - if (error) { - // don't print label again if just a single label - let msg = error.message; - // bidi_qq() only necessary if msg is digits - throw new Error(split.length == 1 ? msg : `Invalid label ${bidi_qq(safe_str_from_cps(input, 63))}: ${msg}`); - } - return str_from_cps(output); - }).join(STOP_CH); -} - -function error_disallowed(cp) { - // TODO: add cp to error? - return new Error(`disallowed character: ${quoted_cp(cp)}`); -} -function error_group_member(g, cp) { - let quoted = quoted_cp(cp); - let gg = GROUPS.find(g => g.P.has(cp)); // only check primary - if (gg) { - quoted = `${gg.N} ${quoted}`; - } - return new Error(`illegal mixture: ${g.N} + ${quoted}`); -} -function error_placement(where) { - return new Error(`illegal placement: ${where}`); -} - -// assumption: cps.length > 0 -// assumption: cps[0] isn't a CM -// assumption: the previous character isn't an emoji -function check_group(g, cps) { - for (let cp of cps) { - if (!group_has_cp(g, cp)) { - // for whitelisted scripts, this will throw illegal mixture on invalid cm, eg. "e{300}{300}" - // at the moment, it's unnecessary to introduce an extra error type - // until there exists a whitelisted multi-character - // eg. if (M < 0 && is_combining_mark(cp)) { ... } - // there are 3 cases: - // 1. illegal cm for wrong group => mixture error - // 2. illegal cm for same group => cm error - // requires set of whitelist cm per group: - // eg. new Set([...g.P, ...g.Q].flatMap(nfc).filter(cp => CM.has(cp))) - // 3. wrong group => mixture error - throw error_group_member(g, cp); - } - } - //if (M >= 0) { // we have a known fixed cm count - if (g.M) { // we need to check for NSM - let decomposed = nfd(cps); - for (let i = 1, e = decomposed.length; i < e; i++) { // see: assumption - // 20230210: bugfix: using cps instead of decomposed h/t Carbon225 - /* - if (CM.has(decomposed[i])) { - let j = i + 1; - while (j < e && CM.has(decomposed[j])) j++; - if (j - i > M) { - throw new Error(`too many combining marks: ${g.N} ${bidi_qq(str_from_cps(decomposed.slice(i-1, j)))} (${j-i}/${M})`); - } - i = j; - } - */ - // 20230217: switch to NSM counting - // https://www.unicode.org/reports/tr39/#Optional_Detection - if (NSM.has(decomposed[i])) { - let j = i + 1; - for (let cp; j < e && NSM.has(cp = decomposed[j]); j++) { - // a. Forbid sequences of the same nonspacing mark. - for (let k = i; k < j; k++) { // O(n^2) but n < 100 - if (decomposed[k] == cp) { - throw new Error(`duplicate non-spacing marks: ${quoted_cp(cp)}`); - } - } - } - // parse to end so we have full nsm count - // b. Forbid sequences of more than 4 nonspacing marks (gc=Mn or gc=Me). - if (j - i > NSM_MAX) { - // note: this slice starts with a base char or spacing-mark cm - throw new Error(`excessive non-spacing marks: ${bidi_qq(safe_str_from_cps(decomposed.slice(i-1, j)))} (${j-i}/${NSM_MAX})`); - } - i = j; - } - } - } - // *** this code currently isn't needed *** - /* - let cm_whitelist = M instanceof Map; - for (let i = 0, e = cps.length; i < e; ) { - let cp = cps[i++]; - let seqs = cm_whitelist && M.get(cp); - if (seqs) { - // list of codepoints that can follow - // if this exists, this will always be 1+ - let j = i; - while (j < e && CM.has(cps[j])) j++; - let cms = cps.slice(i, j); - let match = seqs.find(seq => !compare_arrays(seq, cms)); - if (!match) throw new Error(`disallowed combining mark sequence: "${safe_str_from_cps([cp, ...cms])}"`); - i = j; - } else if (!V.has(cp)) { - // https://www.unicode.org/reports/tr39/#mixed_script_confusables - let quoted = quoted_cp(cp); - for (let cp of cps) { - let u = UNIQUE.get(cp); - if (u && u !== g) { - // if both scripts are restricted this error is confusing - // because we don't differentiate RestrictedA from RestrictedB - if (!u.R) quoted = `${quoted} is ${u.N}`; - break; - } - } - throw new Error(`disallowed ${g.N} character: ${quoted}`); - //throw new Error(`disallowed character: ${quoted} (expected ${g.N})`); - //throw new Error(`${g.N} does not allow: ${quoted}`); - } - } - if (!cm_whitelist) { - let decomposed = nfd(cps); - for (let i = 1, e = decomposed.length; i < e; i++) { // we know it can't be cm leading - if (CM.has(decomposed[i])) { - let j = i + 1; - while (j < e && CM.has(decomposed[j])) j++; - if (j - i > M) { - throw new Error(`too many combining marks: "${str_from_cps(decomposed.slice(i-1, j))}" (${j-i}/${M})`); - } - i = j; - } - } - } - */ -} - -// given a list of codepoints -// returns a list of lists, where emoji are a fully-qualified (as Array subclass) -// eg. explode_cp("abc💩d") => [[61, 62, 63], Emoji[1F4A9, FE0F], [64]] -// 20230818: rename for 'process' name collision h/t Javarome -// https://github.com/adraffy/ens-normalize.js/issues/23 -function tokens_from_str(input, nf, ef) { - let ret = []; - let chars = []; - input = input.slice().reverse(); // flip so we can pop - while (input.length) { - let emoji = consume_emoji_reversed(input); - if (emoji) { - if (chars.length) { - ret.push(nf(chars)); - chars = []; - } - ret.push(ef(emoji)); - } else { - let cp = input.pop(); - if (VALID.has(cp)) { - chars.push(cp); - } else { - let cps = MAPPED.get(cp); - if (cps) { - chars.push(...cps); // less than 10 elements - } else if (!IGNORED.has(cp)) { - // 20230912: unicode 15.1 changed the order of processing such that - // disallowed parts are only rejected after NFC - // https://unicode.org/reports/tr46/#Validity_Criteria - // this doesn't impact normalization as of today - // technically, this error can be removed as the group logic will apply similar logic - // however the error type might be less clear - throw error_disallowed(cp); - } - } - } - } - if (chars.length) { - ret.push(nf(chars)); - } - return ret; -} - -function filter_fe0f(cps) { - return cps.filter(cp => cp != FE0F); -} - -// given array of codepoints -// returns the longest valid emoji sequence (or undefined if no match) -// *MUTATES* the supplied array -// disallows interleaved ignored characters -// fills (optional) eaten array with matched codepoints -function consume_emoji_reversed(cps, eaten) { - let node = EMOJI_ROOT; - let emoji; - let pos = cps.length; - while (pos) { - node = node.get(cps[--pos]); - if (!node) break; - let {V} = node; - if (V) { // this is a valid emoji (so far) - emoji = V; - if (eaten) eaten.push(...cps.slice(pos).reverse()); // (optional) copy input, used for ens_tokenize() - cps.length = pos; // truncate - } - } - return emoji; -} - -// ************************************************************ -// tokenizer - -const TY_VALID = 'valid'; -const TY_MAPPED = 'mapped'; -const TY_IGNORED = 'ignored'; -const TY_DISALLOWED = 'disallowed'; -const TY_EMOJI = 'emoji'; -const TY_NFC = 'nfc'; -const TY_STOP = 'stop'; - -function ens_tokenize(name, { - nf = true, // collapse unnormalized runs into a single token -} = {}) { - init(); - let input = explode_cp(name).reverse(); - let eaten = []; - let tokens = []; - while (input.length) { - let emoji = consume_emoji_reversed(input, eaten); - if (emoji) { - tokens.push({ - type: TY_EMOJI, - emoji: emoji.slice(), // copy emoji - input: eaten, - cps: filter_fe0f(emoji) - }); - eaten = []; // reset buffer - } else { - let cp = input.pop(); - if (cp == STOP) { - tokens.push({type: TY_STOP, cp}); - } else if (VALID.has(cp)) { - tokens.push({type: TY_VALID, cps: [cp]}); - } else if (IGNORED.has(cp)) { - tokens.push({type: TY_IGNORED, cp}); - } else { - let cps = MAPPED.get(cp); - if (cps) { - tokens.push({type: TY_MAPPED, cp, cps: cps.slice()}); - } else { - tokens.push({type: TY_DISALLOWED, cp}); - } - } - } - } - if (nf) { - for (let i = 0, start = -1; i < tokens.length; i++) { - let token = tokens[i]; - if (is_valid_or_mapped(token.type)) { - if (requires_check(token.cps)) { // normalization might be needed - let end = i + 1; - for (let pos = end; pos < tokens.length; pos++) { // find adjacent text - let {type, cps} = tokens[pos]; - if (is_valid_or_mapped(type)) { - if (!requires_check(cps)) break; - end = pos + 1; - } else if (type !== TY_IGNORED) { // || type !== TY_DISALLOWED) { - break; - } - } - if (start < 0) start = i; - let slice = tokens.slice(start, end); - let cps0 = slice.flatMap(x => is_valid_or_mapped(x.type) ? x.cps : []); // strip junk tokens - let cps = nfc(cps0); - if (compare_arrays(cps, cps0)) { // bundle into an nfc token - tokens.splice(start, end - start, { - type: TY_NFC, - input: cps0, // there are 3 states: tokens0 ==(process)=> input ==(nfc)=> tokens/cps - cps, - tokens0: collapse_valid_tokens(slice), - tokens: ens_tokenize(str_from_cps(cps), {nf: false}) - }); - i = start; - } else { - i = end - 1; // skip to end of slice - } - start = -1; // reset - } else { - start = i; // remember last - } - } else if (token.type !== TY_IGNORED) { // 20221024: is this correct? - start = -1; // reset - } - } - } - return collapse_valid_tokens(tokens); -} - -function is_valid_or_mapped(type) { - return type == TY_VALID || type == TY_MAPPED; -} - -function requires_check(cps) { - return cps.some(cp => NFC_CHECK.has(cp)); -} - -function collapse_valid_tokens(tokens) { - for (let i = 0; i < tokens.length; i++) { - if (tokens[i].type == TY_VALID) { - let j = i + 1; - while (j < tokens.length && tokens[j].type == TY_VALID) j++; - tokens.splice(i, j - i, {type: TY_VALID, cps: tokens.slice(i, j).flatMap(x => x.cps)}); - } - } - return tokens; +const HYPHEN = 0x2D; +const STOP = 0x2E; +const STOP_CH = '.'; +const FE0F = 0xFE0F; +const UNIQUE_PH = 1; + +// 20230913: replace [...v] with Array_from(v) to avoid large spreads +const Array_from = x => Array.from(x); // Array.from.bind(Array); + +function group_has_cp(g, cp) { + // 20230913: keep primary and secondary distinct instead of creating valid union + return g.P.has(cp) || g.Q.has(cp); +} + +class Emoji extends Array { + get is_emoji() { return true; } // free tagging system +} + +let MAPPED, IGNORED, CM, NSM, ESCAPE, NFC_CHECK, GROUPS, WHOLE_VALID, WHOLE_MAP, VALID, EMOJI_LIST, EMOJI_ROOT; + +function init() { + if (MAPPED) return; + + let r = read_compressed_payload(COMPRESSED$1); + const read_sorted_array = () => read_sorted(r); + const read_sorted_set = () => new Set(read_sorted_array()); + const set_add_many = (set, v) => v.forEach(x => set.add(x)); + + MAPPED = new Map(read_mapped(r)); + IGNORED = read_sorted_set(); // ignored characters are not valid, so just read raw codepoints + + /* + // direct include from payload is smaller than the decompression code + const FENCED = new Map(read_array_while(() => { + let cp = r(); + if (cp) return [cp, read_str(r())]; + })); + */ + // 20230217: we still need all CM for proper error formatting + // but norm only needs NSM subset that are potentially-valid + CM = read_sorted_array(); + NSM = new Set(read_sorted_array().map(i => CM[i])); + CM = new Set(CM); + + ESCAPE = read_sorted_set(); // characters that should not be printed + NFC_CHECK = read_sorted_set(); // only needed to illustrate ens_tokenize() transformations + + let chunks = read_sorted_arrays(r); + let unrestricted = r(); + //const read_chunked = () => new Set(read_sorted_array().flatMap(i => chunks[i]).concat(read_sorted_array())); + const read_chunked = () => { + // 20230921: build set in parts, 2x faster + let set = new Set(); + read_sorted_array().forEach(i => set_add_many(set, chunks[i])); + set_add_many(set, read_sorted_array()); + return set; + }; + GROUPS = read_array_while(i => { + // minifier property mangling seems unsafe + // so these are manually renamed to single chars + let N = read_array_while(r).map(x => x+0x60); + if (N.length) { + let R = i >= unrestricted; // unrestricted then restricted + N[0] -= 32; // capitalize + N = str_from_cps(N); + if (R) N=`Restricted[${N}]`; + let P = read_chunked(); // primary + let Q = read_chunked(); // secondary + let M = !r(); // not-whitelisted, check for NSM + // *** this code currently isn't needed *** + /* + let V = [...P, ...Q].sort((a, b) => a-b); // derive: sorted valid + let M = r()-1; // number of combining mark + if (M < 0) { // whitelisted + M = new Map(read_array_while(() => { + let i = r(); + if (i) return [V[i-1], read_array_while(() => { + let v = read_array_while(r); + if (v.length) return v.map(x => x-1); + })]; + })); + }*/ + return {N, P, Q, M, R}; + } + }); + + // decode compressed wholes + WHOLE_VALID = read_sorted_set(); + WHOLE_MAP = new Map(); + let wholes = read_sorted_array().concat(Array_from(WHOLE_VALID)).sort((a, b) => a-b); // must be sorted + wholes.forEach((cp, i) => { + let d = r(); + let w = wholes[i] = d ? wholes[i-d] : {V: [], M: new Map()}; + w.V.push(cp); // add to member set + if (!WHOLE_VALID.has(cp)) { + WHOLE_MAP.set(cp, w); // register with whole map + } + }); + + // compute confusable-extent complements + // usage: WHOLE_MAP.get(cp).M.get(cp) = complement set + for (let {V, M} of new Set(WHOLE_MAP.values())) { + // connect all groups that have each whole character + let recs = []; + for (let cp of V) { + let gs = GROUPS.filter(g => group_has_cp(g, cp)); + let rec = recs.find(({G}) => gs.some(g => G.has(g))); + if (!rec) { + rec = {G: new Set(), V: []}; + recs.push(rec); + } + rec.V.push(cp); + set_add_many(rec.G, gs); + } + // per character cache groups which are not a member of the extent + let union = recs.flatMap(x => Array_from(x.G)); // all of the groups used by this whole + for (let {G, V} of recs) { + let complement = new Set(union.filter(g => !G.has(g))); // groups not covered by the extent + for (let cp of V) { + M.set(cp, complement); // this is the same reference + } + } + } + + // compute valid set + // 20230924: VALID was union but can be re-used + VALID = new Set(); // exists in 1+ groups + let multi = new Set(); // exists in 2+ groups + const add_to_union = cp => VALID.has(cp) ? multi.add(cp) : VALID.add(cp); + for (let g of GROUPS) { + for (let cp of g.P) add_to_union(cp); + for (let cp of g.Q) add_to_union(cp); + } + // dual purpose WHOLE_MAP: return placeholder if unique non-confusable + for (let cp of VALID) { + if (!WHOLE_MAP.has(cp) && !multi.has(cp)) { + WHOLE_MAP.set(cp, UNIQUE_PH); + } + } + // add all decomposed parts + // see derive: "Valid is Closed (via Brute-force)" + set_add_many(VALID, nfd(VALID)); + + // decode emoji + // 20230719: emoji are now fully-expanded to avoid quirk logic + EMOJI_LIST = read_trie(r).map(v => Emoji.from(v)).sort(compare_arrays); + EMOJI_ROOT = new Map(); // this has approx 7K nodes (2+ per emoji) + for (let cps of EMOJI_LIST) { + // 20230719: change to *slightly* stricter algorithm which disallows + // insertion of misplaced FE0F in emoji sequences (matching ENSIP-15) + // example: beautified [A B] (eg. flag emoji) + // before: allow: [A FE0F B], error: [A FE0F FE0F B] + // after: error: both + // note: this code now matches ENSNormalize.{cs,java} logic + let prev = [EMOJI_ROOT]; + for (let cp of cps) { + let next = prev.map(node => { + let child = node.get(cp); + if (!child) { + // should this be object? + // (most have 1-2 items, few have many) + // 20230719: no, v8 default map is 4? + child = new Map(); + node.set(cp, child); + } + return child; + }); + if (cp === FE0F) { + prev.push(...next); // less than 20 elements + } else { + prev = next; + } + } + for (let x of prev) { + x.V = cps; + } + } +} + +// if escaped: {HEX} +// else: "x" {HEX} +function quoted_cp(cp) { + return (should_escape(cp) ? '' : `${bidi_qq(safe_str_from_cps([cp]))} `) + quote_cp(cp); +} + +// 20230211: some messages can be mixed-directional and result in spillover +// use 200E after a quoted string to force the remainder of a string from +// acquring the direction of the quote +// https://www.w3.org/International/questions/qa-bidi-unicode-controls#exceptions +function bidi_qq(s) { + return `"${s}"\u200E`; // strong LTR +} + +function check_label_extension(cps) { + if (cps.length >= 4 && cps[2] == HYPHEN && cps[3] == HYPHEN) { + throw new Error(`invalid label extension: "${str_from_cps(cps.slice(0, 4))}"`); // this can only be ascii so cant be bidi + } +} +function check_leading_underscore(cps) { + const UNDERSCORE = 0x5F; + for (let i = cps.lastIndexOf(UNDERSCORE); i > 0; ) { + if (cps[--i] !== UNDERSCORE) { + throw new Error('underscore allowed only at start'); + } + } +} +// check that a fenced cp is not leading, trailing, or touching another fenced cp +function check_fenced(cps) { + let cp = cps[0]; + let prev = FENCED.get(cp); + if (prev) throw error_placement(`leading ${prev}`); + let n = cps.length; + let last = -1; // prevents trailing from throwing + for (let i = 1; i < n; i++) { + cp = cps[i]; + let match = FENCED.get(cp); + if (match) { + // since cps[0] isn't fenced, cps[1] cannot throw + if (last == i) throw error_placement(`${prev} + ${match}`); + last = i + 1; + prev = match; + } + } + if (last == n) throw error_placement(`trailing ${prev}`); +} + +// create a safe to print string +// invisibles are escaped +// leading cm uses placeholder +// if cps exceed max, middle truncate with ellipsis +// quoter(cp) => string, eg. 3000 => "{3000}" +// note: in html, you'd call this function then replace [<>&] with entities +function safe_str_from_cps(cps, max = Infinity, quoter = quote_cp) { + //if (Number.isInteger(cps)) cps = [cps]; + //if (!Array.isArray(cps)) throw new TypeError(`expected codepoints`); + let buf = []; + if (is_combining_mark(cps[0])) buf.push('◌'); + if (cps.length > max) { + max >>= 1; + cps = [...cps.slice(0, max), 0x2026, ...cps.slice(-max)]; + } + let prev = 0; + let n = cps.length; + for (let i = 0; i < n; i++) { + let cp = cps[i]; + if (should_escape(cp)) { + buf.push(str_from_cps(cps.slice(prev, i))); + buf.push(quoter(cp)); + prev = i + 1; + } + } + buf.push(str_from_cps(cps.slice(prev, n))); + return buf.join(''); +} + +// note: set(s) cannot be exposed because they can be modified +// note: Object.freeze() doesn't work +function is_combining_mark(cp) { + init(); + return CM.has(cp); +} +function should_escape(cp) { + init(); + return ESCAPE.has(cp); +} + +// return all supported emoji as fully-qualified emoji +// ordered by length then lexicographic +function ens_emoji() { + init(); + return EMOJI_LIST.map(x => x.slice()); // emoji are exposed so copy +} + +function ens_normalize_fragment(frag, decompose) { + init(); + let nf = decompose ? nfd : nfc; + return frag.split(STOP_CH).map(label => str_from_cps(tokens_from_str(explode_cp(label), nf, filter_fe0f).flat())).join(STOP_CH); +} + +function ens_normalize(name) { + return flatten(split(name, nfc, filter_fe0f)); +} + +function ens_beautify(name) { + let labels = split(name, nfc, x => x); // emoji not exposed + for (let {type, output, error} of labels) { + if (error) break; // flatten will throw + + // replace leading/trailing hyphen + // 20230121: consider beautifing all or leading/trailing hyphen to unicode variant + // not exactly the same in every font, but very similar: "-" vs "‐" + /* + const UNICODE_HYPHEN = 0x2010; + // maybe this should replace all for visual consistancy? + // `node tools/reg-count.js regex ^-\{2,\}` => 592 + //for (let i = 0; i < output.length; i++) if (output[i] == 0x2D) output[i] = 0x2010; + if (output[0] == HYPHEN) output[0] = UNICODE_HYPHEN; + let end = output.length-1; + if (output[end] == HYPHEN) output[end] = UNICODE_HYPHEN; + */ + // 20230123: WHATWG URL uses "CheckHyphens" false + // https://url.spec.whatwg.org/#idna + + // update ethereum symbol + // ξ => Ξ if not greek + if (type !== 'Greek') array_replace(output, 0x3BE, 0x39E); + + // 20221213: fixes bidi subdomain issue, but breaks invariant (200E is disallowed) + // could be fixed with special case for: 2D (.) + 200E (LTR) + // https://discuss.ens.domains/t/bidi-label-ordering-spoof/15824 + //output.splice(0, 0, 0x200E); + } + return flatten(labels); +} + +function array_replace(v, a, b) { + let prev = 0; + while (true) { + let next = v.indexOf(a, prev); + if (next < 0) break; + v[next] = b; + prev = next + 1; + } +} + +function ens_split(name, preserve_emoji) { + return split(name, nfc, preserve_emoji ? x => x.slice() : filter_fe0f); // emoji are exposed so copy +} + +function split(name, nf, ef) { + if (!name) return []; // 20230719: empty name allowance + init(); + let offset = 0; + // https://unicode.org/reports/tr46/#Validity_Criteria + // 4.) "The label must not contain a U+002E ( . ) FULL STOP." + return name.split(STOP_CH).map(label => { + let input = explode_cp(label); + let info = { + input, + offset, // codepoint, not substring! + }; + offset += input.length + 1; // + stop + try { + // 1.) "The label must be in Unicode Normalization Form NFC" + let tokens = info.tokens = tokens_from_str(input, nf, ef); + let token_count = tokens.length; + let type; + if (!token_count) { // the label was effectively empty (could of had ignored characters) + //norm = []; + //type = 'None'; // use this instead of next match, "ASCII" + // 20230120: change to strict + // https://discuss.ens.domains/t/ens-name-normalization-2nd/14564/59 + throw new Error(`empty label`); + } + let norm = info.output = tokens.flat(); + check_leading_underscore(norm); + let emoji = info.emoji = token_count > 1 || tokens[0].is_emoji; // same as: tokens.some(x => x.is_emoji); + if (!emoji && norm.every(cp => cp < 0x80)) { // special case for ascii + // 20230123: matches matches WHATWG, see note 3.3 + check_label_extension(norm); // only needed for ascii + // cant have fenced + // cant have cm + // cant have wholes + // see derive: "Fastpath ASCII" + type = 'ASCII'; + } else { + let chars = tokens.flatMap(x => x.is_emoji ? [] : x); // all of the nfc tokens concat together + if (!chars.length) { // theres no text, just emoji + type = 'Emoji'; + } else { + // 5.) "The label must not begin with a combining mark, that is: General_Category=Mark." + if (CM.has(norm[0])) throw error_placement('leading combining mark'); + for (let i = 1; i < token_count; i++) { // we've already checked the first token + let cps = tokens[i]; + if (!cps.is_emoji && CM.has(cps[0])) { // every text token has emoji neighbors, eg. EtEEEtEt... + // bidi_qq() not needed since emoji is LTR and cps is a CM + throw error_placement(`emoji + combining mark: "${str_from_cps(tokens[i-1])} + ${safe_str_from_cps([cps[0]])}"`); + } + } + check_fenced(norm); + let unique = Array_from(new Set(chars)); + let [g] = determine_group(unique); // take the first match + // see derive: "Matching Groups have Same CM Style" + // alternative: could form a hybrid type: Latin/Japanese/... + check_group(g, chars); // need text in order + check_whole(g, unique); // only need unique text (order would be required for multiple-char confusables) + type = g.N; + // 20230121: consider exposing restricted flag + // it's simpler to just check for 'Restricted' + // or even better: type.endsWith(']') + //if (g.R) info.restricted = true; + } + } + info.type = type; + } catch (err) { + info.error = err; // use full error object + } + return info; + }); +} + +function check_whole(group, unique) { + let maker; + let shared = []; + for (let cp of unique) { + let whole = WHOLE_MAP.get(cp); + if (whole === UNIQUE_PH) return; // unique, non-confusable + if (whole) { + let set = whole.M.get(cp); // groups which have a character that look-like this character + maker = maker ? maker.filter(g => set.has(g)) : Array_from(set); + if (!maker.length) return; // confusable intersection is empty + } else { + shared.push(cp); + } + } + if (maker) { + // we have 1+ confusable + // check if any of the remaining groups + // contain the shared characters too + for (let g of maker) { + if (shared.every(cp => group_has_cp(g, cp))) { + throw new Error(`whole-script confusable: ${group.N}/${g.N}`); + } + } + } +} + +// assumption: unique.size > 0 +// returns list of matching groups +function determine_group(unique) { + let groups = GROUPS; + for (let cp of unique) { + // note: we need to dodge CM that are whitelisted + // but that code isn't currently necessary + let gs = groups.filter(g => group_has_cp(g, cp)); + if (!gs.length) { + if (!GROUPS.some(g => group_has_cp(g, cp))) { + // the character was composed of valid parts + // but it's NFC form is invalid + // 20230716: change to more exact statement, see: ENSNormalize.{cs,java} + // note: this doesn't have to be a composition + // 20230720: change to full check + throw error_disallowed(cp); // this should be rare + } else { + // there is no group that contains all these characters + // throw using the highest priority group that matched + // https://www.unicode.org/reports/tr39/#mixed_script_confusables + throw error_group_member(groups[0], cp); + } + } + groups = gs; + if (gs.length == 1) break; // there is only one group left + } + // there are at least 1 group(s) with all of these characters + return groups; +} + +// throw on first error +function flatten(split) { + return split.map(({input, error, output}) => { + if (error) { + // don't print label again if just a single label + let msg = error.message; + // bidi_qq() only necessary if msg is digits + throw new Error(split.length == 1 ? msg : `Invalid label ${bidi_qq(safe_str_from_cps(input, 63))}: ${msg}`); + } + return str_from_cps(output); + }).join(STOP_CH); +} + +function error_disallowed(cp) { + // TODO: add cp to error? + return new Error(`disallowed character: ${quoted_cp(cp)}`); +} +function error_group_member(g, cp) { + let quoted = quoted_cp(cp); + let gg = GROUPS.find(g => g.P.has(cp)); // only check primary + if (gg) { + quoted = `${gg.N} ${quoted}`; + } + return new Error(`illegal mixture: ${g.N} + ${quoted}`); +} +function error_placement(where) { + return new Error(`illegal placement: ${where}`); +} + +// assumption: cps.length > 0 +// assumption: cps[0] isn't a CM +// assumption: the previous character isn't an emoji +function check_group(g, cps) { + for (let cp of cps) { + if (!group_has_cp(g, cp)) { + // for whitelisted scripts, this will throw illegal mixture on invalid cm, eg. "e{300}{300}" + // at the moment, it's unnecessary to introduce an extra error type + // until there exists a whitelisted multi-character + // eg. if (M < 0 && is_combining_mark(cp)) { ... } + // there are 3 cases: + // 1. illegal cm for wrong group => mixture error + // 2. illegal cm for same group => cm error + // requires set of whitelist cm per group: + // eg. new Set([...g.P, ...g.Q].flatMap(nfc).filter(cp => CM.has(cp))) + // 3. wrong group => mixture error + throw error_group_member(g, cp); + } + } + //if (M >= 0) { // we have a known fixed cm count + if (g.M) { // we need to check for NSM + let decomposed = nfd(cps); + for (let i = 1, e = decomposed.length; i < e; i++) { // see: assumption + // 20230210: bugfix: using cps instead of decomposed h/t Carbon225 + /* + if (CM.has(decomposed[i])) { + let j = i + 1; + while (j < e && CM.has(decomposed[j])) j++; + if (j - i > M) { + throw new Error(`too many combining marks: ${g.N} ${bidi_qq(str_from_cps(decomposed.slice(i-1, j)))} (${j-i}/${M})`); + } + i = j; + } + */ + // 20230217: switch to NSM counting + // https://www.unicode.org/reports/tr39/#Optional_Detection + if (NSM.has(decomposed[i])) { + let j = i + 1; + for (let cp; j < e && NSM.has(cp = decomposed[j]); j++) { + // a. Forbid sequences of the same nonspacing mark. + for (let k = i; k < j; k++) { // O(n^2) but n < 100 + if (decomposed[k] == cp) { + throw new Error(`duplicate non-spacing marks: ${quoted_cp(cp)}`); + } + } + } + // parse to end so we have full nsm count + // b. Forbid sequences of more than 4 nonspacing marks (gc=Mn or gc=Me). + if (j - i > NSM_MAX) { + // note: this slice starts with a base char or spacing-mark cm + throw new Error(`excessive non-spacing marks: ${bidi_qq(safe_str_from_cps(decomposed.slice(i-1, j)))} (${j-i}/${NSM_MAX})`); + } + i = j; + } + } + } + // *** this code currently isn't needed *** + /* + let cm_whitelist = M instanceof Map; + for (let i = 0, e = cps.length; i < e; ) { + let cp = cps[i++]; + let seqs = cm_whitelist && M.get(cp); + if (seqs) { + // list of codepoints that can follow + // if this exists, this will always be 1+ + let j = i; + while (j < e && CM.has(cps[j])) j++; + let cms = cps.slice(i, j); + let match = seqs.find(seq => !compare_arrays(seq, cms)); + if (!match) throw new Error(`disallowed combining mark sequence: "${safe_str_from_cps([cp, ...cms])}"`); + i = j; + } else if (!V.has(cp)) { + // https://www.unicode.org/reports/tr39/#mixed_script_confusables + let quoted = quoted_cp(cp); + for (let cp of cps) { + let u = UNIQUE.get(cp); + if (u && u !== g) { + // if both scripts are restricted this error is confusing + // because we don't differentiate RestrictedA from RestrictedB + if (!u.R) quoted = `${quoted} is ${u.N}`; + break; + } + } + throw new Error(`disallowed ${g.N} character: ${quoted}`); + //throw new Error(`disallowed character: ${quoted} (expected ${g.N})`); + //throw new Error(`${g.N} does not allow: ${quoted}`); + } + } + if (!cm_whitelist) { + let decomposed = nfd(cps); + for (let i = 1, e = decomposed.length; i < e; i++) { // we know it can't be cm leading + if (CM.has(decomposed[i])) { + let j = i + 1; + while (j < e && CM.has(decomposed[j])) j++; + if (j - i > M) { + throw new Error(`too many combining marks: "${str_from_cps(decomposed.slice(i-1, j))}" (${j-i}/${M})`); + } + i = j; + } + } + } + */ +} + +// given a list of codepoints +// returns a list of lists, where emoji are a fully-qualified (as Array subclass) +// eg. explode_cp("abc💩d") => [[61, 62, 63], Emoji[1F4A9, FE0F], [64]] +// 20230818: rename for 'process' name collision h/t Javarome +// https://github.com/adraffy/ens-normalize.js/issues/23 +function tokens_from_str(input, nf, ef) { + let ret = []; + let chars = []; + input = input.slice().reverse(); // flip so we can pop + while (input.length) { + let emoji = consume_emoji_reversed(input); + if (emoji) { + if (chars.length) { + ret.push(nf(chars)); + chars = []; + } + ret.push(ef(emoji)); + } else { + let cp = input.pop(); + if (VALID.has(cp)) { + chars.push(cp); + } else { + let cps = MAPPED.get(cp); + if (cps) { + chars.push(...cps); // less than 10 elements + } else if (!IGNORED.has(cp)) { + // 20230912: unicode 15.1 changed the order of processing such that + // disallowed parts are only rejected after NFC + // https://unicode.org/reports/tr46/#Validity_Criteria + // this doesn't impact normalization as of today + // technically, this error can be removed as the group logic will apply similar logic + // however the error type might be less clear + throw error_disallowed(cp); + } + } + } + } + if (chars.length) { + ret.push(nf(chars)); + } + return ret; +} + +function filter_fe0f(cps) { + return cps.filter(cp => cp != FE0F); +} + +// given array of codepoints +// returns the longest valid emoji sequence (or undefined if no match) +// *MUTATES* the supplied array +// disallows interleaved ignored characters +// fills (optional) eaten array with matched codepoints +function consume_emoji_reversed(cps, eaten) { + let node = EMOJI_ROOT; + let emoji; + let pos = cps.length; + while (pos) { + node = node.get(cps[--pos]); + if (!node) break; + let {V} = node; + if (V) { // this is a valid emoji (so far) + emoji = V; + if (eaten) eaten.push(...cps.slice(pos).reverse()); // (optional) copy input, used for ens_tokenize() + cps.length = pos; // truncate + } + } + return emoji; +} + +// ************************************************************ +// tokenizer + +const TY_VALID = 'valid'; +const TY_MAPPED = 'mapped'; +const TY_IGNORED = 'ignored'; +const TY_DISALLOWED = 'disallowed'; +const TY_EMOJI = 'emoji'; +const TY_NFC = 'nfc'; +const TY_STOP = 'stop'; + +function ens_tokenize(name, { + nf = true, // collapse unnormalized runs into a single token +} = {}) { + init(); + let input = explode_cp(name).reverse(); + let eaten = []; + let tokens = []; + while (input.length) { + let emoji = consume_emoji_reversed(input, eaten); + if (emoji) { + tokens.push({ + type: TY_EMOJI, + emoji: emoji.slice(), // copy emoji + input: eaten, + cps: filter_fe0f(emoji) + }); + eaten = []; // reset buffer + } else { + let cp = input.pop(); + if (cp == STOP) { + tokens.push({type: TY_STOP, cp}); + } else if (VALID.has(cp)) { + tokens.push({type: TY_VALID, cps: [cp]}); + } else if (IGNORED.has(cp)) { + tokens.push({type: TY_IGNORED, cp}); + } else { + let cps = MAPPED.get(cp); + if (cps) { + tokens.push({type: TY_MAPPED, cp, cps: cps.slice()}); + } else { + tokens.push({type: TY_DISALLOWED, cp}); + } + } + } + } + if (nf) { + for (let i = 0, start = -1; i < tokens.length; i++) { + let token = tokens[i]; + if (is_valid_or_mapped(token.type)) { + if (requires_check(token.cps)) { // normalization might be needed + let end = i + 1; + for (let pos = end; pos < tokens.length; pos++) { // find adjacent text + let {type, cps} = tokens[pos]; + if (is_valid_or_mapped(type)) { + if (!requires_check(cps)) break; + end = pos + 1; + } else if (type !== TY_IGNORED) { // || type !== TY_DISALLOWED) { + break; + } + } + if (start < 0) start = i; + let slice = tokens.slice(start, end); + let cps0 = slice.flatMap(x => is_valid_or_mapped(x.type) ? x.cps : []); // strip junk tokens + let cps = nfc(cps0); + if (compare_arrays(cps, cps0)) { // bundle into an nfc token + tokens.splice(start, end - start, { + type: TY_NFC, + input: cps0, // there are 3 states: tokens0 ==(process)=> input ==(nfc)=> tokens/cps + cps, + tokens0: collapse_valid_tokens(slice), + tokens: ens_tokenize(str_from_cps(cps), {nf: false}) + }); + i = start; + } else { + i = end - 1; // skip to end of slice + } + start = -1; // reset + } else { + start = i; // remember last + } + } else if (token.type !== TY_IGNORED) { // 20221024: is this correct? + start = -1; // reset + } + } + } + return collapse_valid_tokens(tokens); +} + +function is_valid_or_mapped(type) { + return type == TY_VALID || type == TY_MAPPED; +} + +function requires_check(cps) { + return cps.some(cp => NFC_CHECK.has(cp)); +} + +function collapse_valid_tokens(tokens) { + for (let i = 0; i < tokens.length; i++) { + if (tokens[i].type == TY_VALID) { + let j = i + 1; + while (j < tokens.length && tokens[j].type == TY_VALID) j++; + tokens.splice(i, j - i, {type: TY_VALID, cps: tokens.slice(i, j).flatMap(x => x.cps)}); + } + } + return tokens; }