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Update LibTomMath to 1.2.0 (#84)

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* 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.
This commit is contained in:
Steffen Jaeckel
2020-05-26 17:36:47 +02:00
committed by GitHub
parent 724e61f8ae
commit b4bd23b4d2
229 changed files with 6095 additions and 31359 deletions
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30
libtommath/bn_mp_incr.c Normal file
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@@ -0,0 +1,30 @@
#include "tommath_private.h"
#ifdef BN_MP_INCR_C
/* LibTomMath, multiple-precision integer library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */
/* Increment "a" by one like "a++". Changes input! */
mp_err mp_incr(mp_int *a)
{
if (MP_IS_ZERO(a)) {
mp_set(a,1uL);
return MP_OKAY;
} else if (a->sign == MP_NEG) {
mp_err err;
a->sign = MP_ZPOS;
if ((err = mp_decr(a)) != MP_OKAY) {
return err;
}
/* There is no -0 in LTM */
if (!MP_IS_ZERO(a)) {
a->sign = MP_NEG;
}
return MP_OKAY;
} else if (a->dp[0] < MP_DIGIT_MAX) {
a->dp[0]++;
return MP_OKAY;
} else {
return mp_add_d(a, 1uL,a);
}
}
#endif