arnaucube
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circom/c/zqfield.cpp
c/zqfield.cppRaw
 1#include "zqfield.h"
 2
 3ZqField::ZqField(PBigInt ap) {
 4    mpz_init_set(p, *ap);
 5    mpz_init_set_ui(zero, 0);
 6    mpz_init_set_ui(one, 1);
 7}
 8
 9
10void ZqField::add(PBigInt r, PBigInt a, PBigInt b) {
11    mpz_add(*r,*a,*b);
12    mpz_fdiv_r(*r, *r, p);
13}
14
15void ZqField::lt(PBigInt r, PBigInt a, PBigInt b) {
16    int c = mpz_cmp(*a, *b);
17    if (c<0) {
18        mpz_set(*r, one);
19    } else {
20        mpz_set(*r, zero);
21    }
22}
23
24int ZqField::isTrue(PBigInt a) {
25    return mpz_sgn(*a);
26}
27
28void ZqField::copy(PBigInt a, PBigInt b) {
29    return mpz_set(*a, *b);
30}