56 lines
1.3 KiB
Plaintext
56 lines
1.3 KiB
Plaintext
template MultiMux3(n) {
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signal input c[n][8]; // Constants
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signal input s[3]; // Selector
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signal output out[n];
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signal a210[n];
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signal a21[n];
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signal a20[n];
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signal a2[n];
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signal a10[n];
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signal a1[n];
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signal a0[n];
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signal a[n];
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// 4 constrains for the intermediary variables
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signal s10;
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s10 <== s[1] * s[0];
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for (var i=0; i<n; i++) {
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a210[i] <== ( c[i][ 7]-c[i][ 6]-c[i][ 5]+c[i][ 4] - c[i][ 3]+c[i][ 2]+c[i][ 1]-c[i][ 0] ) * s10;
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a21[i] <== ( c[i][ 6]-c[i][ 4]-c[i][ 2]+c[i][ 0] ) * s[1];
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a20[i] <== ( c[i][ 5]-c[i][ 4]-c[i][ 1]+c[i][ 0] ) * s[0];
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a2[i] <== ( c[i][ 4]-c[i][ 0] );
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a10[i] <== ( c[i][ 3]-c[i][ 2]-c[i][ 1]+c[i][ 0] ) * s10;
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a1[i] <== ( c[i][ 2]-c[i][ 0] ) * s[1];
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a0[i] <== ( c[i][ 1]-c[i][ 0] ) * s[0];
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a[i] <== ( c[i][ 0] )
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out[i] <== ( a210[i] + a21[i] + a20[i] + a2[i] ) * s[2] +
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( a10[i] + a1[i] + a0[i] + a[i] );
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}
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}
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template Mux3() {
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var i;
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signal input c[8]; // Constants
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signal input s[3]; // Selector
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signal output out;
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component mux = MultiMux3(1);
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for (i=0; i<8; i++) {
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mux.c[0][i] <== c[i];
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}
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for (i=0; i<3; i++) {
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s[i] ==> mux.s[i];
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}
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mux.out[0] ==> out;
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}
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