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author | jan.nijtmans <nijtmans@users.sourceforge.net> | 2016-11-18 09:50:37 (GMT) |
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committer | jan.nijtmans <nijtmans@users.sourceforge.net> | 2016-11-18 09:50:37 (GMT) |
commit | c85162575b2a6ba6d8b7103a103d8724c2d51e03 (patch) | |
tree | c945d6b5352f04dfb8dcda9435522ae38bf25c51 /libtommath/bn_mp_mod.c | |
parent | e0c2fc16a8641c16944de458557edf2d315d688b (diff) | |
parent | 44774dc3238ca1e269c6acedcbdfb449780c96f9 (diff) | |
download | tcl-c85162575b2a6ba6d8b7103a103d8724c2d51e03.zip tcl-c85162575b2a6ba6d8b7103a103d8724c2d51e03.tar.gz tcl-c85162575b2a6ba6d8b7103a103d8724c2d51e03.tar.bz2 |
Fix [e6f27aa56fa51bfc1752ce768bf0d301c60bfd2c|e6f27aa56f]: Update libtommath to 1.0
Diffstat (limited to 'libtommath/bn_mp_mod.c')
-rw-r--r-- | libtommath/bn_mp_mod.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/libtommath/bn_mp_mod.c b/libtommath/bn_mp_mod.c index 98e155e..b67467d 100644 --- a/libtommath/bn_mp_mod.c +++ b/libtommath/bn_mp_mod.c @@ -1,4 +1,4 @@ -#include <tommath.h> +#include <tommath_private.h> #ifdef BN_MP_MOD_C /* LibTomMath, multiple-precision integer library -- Tom St Denis * @@ -12,10 +12,10 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://math.libtomcrypt.com + * Tom St Denis, tstdenis82@gmail.com, http://libtom.org */ -/* c = a mod b, 0 <= c < b */ +/* c = a mod b, 0 <= c < b if b > 0, b < c <= 0 if b < 0 */ int mp_mod (mp_int * a, mp_int * b, mp_int * c) { @@ -31,14 +31,18 @@ mp_mod (mp_int * a, mp_int * b, mp_int * c) return res; } - if (t.sign != b->sign) { - res = mp_add (b, &t, c); - } else { + if ((mp_iszero(&t) != MP_NO) || (t.sign == b->sign)) { res = MP_OKAY; mp_exch (&t, c); + } else { + res = mp_add (b, &t, c); } mp_clear (&t); return res; } #endif + +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ |