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view libtommath/bn_mp_neg.c @ 1923:ffa0f666fde2
Expand home path for MOTD file
Patch modified by Matt Johnston
Signed-off-by: Begley Brothers Inc <[email protected]>
author | Begley Brothers Inc <begleybrothers@gmail.com> |
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date | Thu, 09 Jul 2020 22:06:26 +1000 |
parents | 1051e4eea25a |
children |
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#include "tommath_private.h" #ifdef BN_MP_NEG_C /* LibTomMath, multiple-precision integer library -- Tom St Denis */ /* SPDX-License-Identifier: Unlicense */ /* b = -a */ mp_err mp_neg(const mp_int *a, mp_int *b) { mp_err err; if (a != b) { if ((err = mp_copy(a, b)) != MP_OKAY) { return err; } } if (!MP_IS_ZERO(b)) { b->sign = (a->sign == MP_ZPOS) ? MP_NEG : MP_ZPOS; } else { b->sign = MP_ZPOS; } return MP_OKAY; } #endif