Mercurial > dropbear
diff libtommath/bn_mp_neg.c @ 1692:1051e4eea25a
Update LibTomMath to 1.2.0 (#84)
* update C files
* update other files
* update headers
* update makefiles
* remove mp_set/get_double()
* use ltm 1.2.0 API
* update ltm_desc
* use bundled tommath if system-tommath is too old
* XMALLOC etc. were changed to MP_MALLOC etc.
| author | Steffen Jaeckel <s@jaeckel.eu> |
|---|---|
| date | Tue, 26 May 2020 17:36:47 +0200 |
| parents | f52919ffd3b1 |
| children |
line wrap: on
line diff
--- a/libtommath/bn_mp_neg.c Tue May 26 23:27:26 2020 +0800 +++ b/libtommath/bn_mp_neg.c Tue May 26 17:36:47 2020 +0200 @@ -1,28 +1,19 @@ #include "tommath_private.h" #ifdef BN_MP_NEG_C -/* LibTomMath, multiple-precision integer library -- Tom St Denis - * - * LibTomMath is a library that provides multiple-precision - * integer arithmetic as well as number theoretic functionality. - * - * The library was designed directly after the MPI library by - * Michael Fromberger but has been written from scratch with - * additional optimizations in place. - * - * SPDX-License-Identifier: Unlicense - */ +/* LibTomMath, multiple-precision integer library -- Tom St Denis */ +/* SPDX-License-Identifier: Unlicense */ /* b = -a */ -int mp_neg(const mp_int *a, mp_int *b) +mp_err mp_neg(const mp_int *a, mp_int *b) { - int res; + mp_err err; if (a != b) { - if ((res = mp_copy(a, b)) != MP_OKAY) { - return res; + if ((err = mp_copy(a, b)) != MP_OKAY) { + return err; } } - if (mp_iszero(b) != MP_YES) { + if (!MP_IS_ZERO(b)) { b->sign = (a->sign == MP_ZPOS) ? MP_NEG : MP_ZPOS; } else { b->sign = MP_ZPOS; @@ -31,7 +22,3 @@ return MP_OKAY; } #endif - -/* ref: HEAD -> master, tag: v1.1.0 */ -/* git commit: 08549ad6bc8b0cede0b357a9c341c5c6473a9c55 */ -/* commit time: 2019-01-28 20:32:32 +0100 */