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#include "zqfield.h"
ZqField::ZqField(PBigInt ap) {
mpz_init_set(p, *ap);
mpz_init_set_ui(zero, 0);
mpz_init_set_ui(one, 1);
}
void ZqField::add(PBigInt r, PBigInt a, PBigInt b) {
mpz_add(*r,*a,*b);
mpz_fdiv_r(*r, *r, p);
}
void ZqField::lt(PBigInt r, PBigInt a, PBigInt b) {
int c = mpz_cmp(*a, *b);
if (c<0) {
mpz_set(*r, one);
} else {
mpz_set(*r, zero);
}
}
int ZqField::isTrue(PBigInt a) {
return mpz_sgn(*a);
}
void ZqField::copyn(PBigInt a, PBigInt b, int n) {
for (int i=0;i<n; i++) mpz_set(a[i], b[i]);
}