#include "tommath_private.h" #ifdef MP_MOD_C /* LibTomMath, multiple-precision integer library -- Tom St Denis */ /* SPDX-License-Identifier: Unlicense */ /* c = a mod b, 0 <= c < b if b > 0, b < c <= 0 if b < 0 */ mp_err mp_mod(const mp_int *a, const mp_int *b, mp_int *c) { mp_err err; if ((err = mp_div(a, b, NULL, c)) != MP_OKAY) { return err; } return mp_iszero(c) || (c->sign == b->sign) ? MP_OKAY : mp_add(b, c, c); } #endif