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weierstrass: adjust 1 line

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Paul Miller 2023-04-08 19:23:35 +00:00
parent 6ea40d9dab
commit 851af4f1bc
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src/abstract/weierstrass.ts
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@ -1118,7 +1118,7 @@ export function SWUFpSqrtRatio<T>(Fp: mod.IField<T>, Z: T) {
tv3 = Fp.cmov(tv2, tv3, isQR); // 15. tv3 = CMOV(tv2, tv3, isQR) tv3 = Fp.cmov(tv2, tv3, isQR); // 15. tv3 = CMOV(tv2, tv3, isQR)
tv4 = Fp.cmov(tv5, tv4, isQR); // 16. tv4 = CMOV(tv5, tv4, isQR) tv4 = Fp.cmov(tv5, tv4, isQR); // 16. tv4 = CMOV(tv5, tv4, isQR)
// 17. for i in (c1, c1 - 1, ..., 2): // 17. for i in (c1, c1 - 1, ..., 2):
for (let i = c1; i > 1; i--) { for (let i = c1; i > _1n; i--) {
let tv5 = _2n ** (i - _2n); // 18. tv5 = i - 2; 19. tv5 = 2^tv5 let tv5 = _2n ** (i - _2n); // 18. tv5 = i - 2; 19. tv5 = 2^tv5
let tvv5 = Fp.pow(tv4, tv5); // 20. tv5 = tv4^tv5 let tvv5 = Fp.pow(tv4, tv5); // 20. tv5 = tv4^tv5
const e1 = Fp.eql(tvv5, Fp.ONE); // 21. e1 = tv5 == 1 const e1 = Fp.eql(tvv5, Fp.ONE); // 21. e1 = tv5 == 1