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authorSteffen Jaeckel <s@jaeckel.eu>2020-05-26 17:36:47 +0200
committerGitHub <noreply@github.com>2020-05-26 23:36:47 +0800
commitb4bd23b4d2a4c640880b49069e02cd598dd03416 (patch)
treefb480b4e501cc69b305de95fb15259aa6afa1963 /libtommath/bn_mp_neg.c
parent724e61f8ae9e9f216b0252e41c5ebd5d64ad79a6 (diff)
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.
Diffstat (limited to 'libtommath/bn_mp_neg.c')
-rw-r--r--libtommath/bn_mp_neg.c27
1 files changed, 7 insertions, 20 deletions
diff --git a/libtommath/bn_mp_neg.c b/libtommath/bn_mp_neg.c
index ff9ef30..264d900 100644
--- a/libtommath/bn_mp_neg.c
+++ b/libtommath/bn_mp_neg.c
@@ -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 @@ int mp_neg(const mp_int *a, mp_int *b)
return MP_OKAY;
}
#endif
-
-/* ref: HEAD -> master, tag: v1.1.0 */
-/* git commit: 08549ad6bc8b0cede0b357a9c341c5c6473a9c55 */
-/* commit time: 2019-01-28 20:32:32 +0100 */