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| author | jan.nijtmans <nijtmans@users.sourceforge.net> | 2016-11-16 13:04:26 (GMT) |
|---|---|---|
| committer | jan.nijtmans <nijtmans@users.sourceforge.net> | 2016-11-16 13:04:26 (GMT) |
| commit | 2adcff3e5ba6e09366ef4208ab81768803ba15bd (patch) | |
| tree | 963ed4c25de0f3f0b60d2392c5fd0e7441e548e5 /libtommath/bn_mp_exteuclid.c | |
| parent | fac003f85aeba679d1cc6bea4eb8a84fc0ebd9f0 (diff) | |
| download | tcl-2adcff3e5ba6e09366ef4208ab81768803ba15bd.zip tcl-2adcff3e5ba6e09366ef4208ab81768803ba15bd.tar.gz tcl-2adcff3e5ba6e09366ef4208ab81768803ba15bd.tar.bz2 | |
import libtommath 1.0
Diffstat (limited to 'libtommath/bn_mp_exteuclid.c')
| -rw-r--r-- | libtommath/bn_mp_exteuclid.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/libtommath/bn_mp_exteuclid.c b/libtommath/bn_mp_exteuclid.c index c65928d..fbbd92c 100644 --- a/libtommath/bn_mp_exteuclid.c +++ b/libtommath/bn_mp_exteuclid.c @@ -1,4 +1,4 @@ -#include <tommath.h> +#include <tommath_private.h> #ifdef BN_MP_EXTEUCLID_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://libtom.org + * Tom St Denis, tstdenis82@gmail.com, http://libtom.org */ -/* Extended euclidean algorithm of (a, b) produces +/* Extended euclidean algorithm of (a, b) produces a*u1 + b*u2 = u3 */ int mp_exteuclid(mp_int *a, mp_int *b, mp_int *U1, mp_int *U2, mp_int *U3) @@ -61,9 +61,9 @@ int mp_exteuclid(mp_int *a, mp_int *b, mp_int *U1, mp_int *U2, mp_int *U3) /* make sure U3 >= 0 */ if (u3.sign == MP_NEG) { - mp_neg(&u1, &u1); - mp_neg(&u2, &u2); - mp_neg(&u3, &u3); + if ((err = mp_neg(&u1, &u1)) != MP_OKAY) { goto _ERR; } + if ((err = mp_neg(&u2, &u2)) != MP_OKAY) { goto _ERR; } + if ((err = mp_neg(&u3, &u3)) != MP_OKAY) { goto _ERR; } } /* copy result out */ @@ -78,5 +78,5 @@ _ERR: mp_clear_multi(&u1, &u2, &u3, &v1, &v2, &v3, &t1, &t2, &t3, &q, &tmp, NULL #endif /* $Source$ */ -/* $Revision: 0.41 $ */ -/* $Date: 2007-04-18 09:58:18 +0000 $ */ +/* $Revision$ */ +/* $Date$ */ |