iw4x-client/deps/libtommath/mp_complement.c
2024-03-07 05:13:50 -05:00

14 lines
361 B
C

#include "tommath_private.h"
#ifdef MP_COMPLEMENT_C
/* LibTomMath, multiple-precision integer library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */
/* b = ~a */
mp_err mp_complement(const mp_int *a, mp_int *b)
{
mp_int a_ = *a;
a_.sign = ((a_.sign == MP_ZPOS) && !mp_iszero(a)) ? MP_NEG : MP_ZPOS;
return mp_sub_d(&a_, 1uL, b);
}
#endif