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| author | jan.nijtmans <nijtmans@users.sourceforge.net> | 2016-11-17 16:26:50 (GMT) |
|---|---|---|
| committer | jan.nijtmans <nijtmans@users.sourceforge.net> | 2016-11-17 16:26:50 (GMT) |
| commit | d31be24ebfb55014fd29140d4406c8a840845763 (patch) | |
| tree | 8745c9b69988bfd839bd9d090d41713bd840c002 /libtommath | |
| parent | 3dd86e6ebc0137c3a2c02d3a046de046571e3789 (diff) | |
| parent | 205419d4b7c3801fe37ae41bceba18fc3b230308 (diff) | |
| download | tcl-d31be24ebfb55014fd29140d4406c8a840845763.zip tcl-d31be24ebfb55014fd29140d4406c8a840845763.tar.gz tcl-d31be24ebfb55014fd29140d4406c8a840845763.tar.bz2 | |
Fix libtommath's mp_radix_size() function such that it returns 2 for single-digit numbers. Add testcases for mp_radix_size() and mp_iseven(). Undo useless change in bn_mp_add_d.c (bring back libtommath's version).
Diffstat (limited to 'libtommath')
| -rw-r--r-- | libtommath/bn_mp_add_d.c | 11 | ||||
| -rw-r--r-- | libtommath/bn_mp_radix_size.c | 19 |
2 files changed, 14 insertions, 16 deletions
diff --git a/libtommath/bn_mp_add_d.c b/libtommath/bn_mp_add_d.c index 5281ad4..aec8fc8 100644 --- a/libtommath/bn_mp_add_d.c +++ b/libtommath/bn_mp_add_d.c @@ -12,7 +12,7 @@ * 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, tomstdenis@gmail.com, http://libtom.org */ /* single digit addition */ @@ -37,9 +37,8 @@ mp_add_d (mp_int * a, mp_digit b, mp_int * c) /* c = |a| - b */ res = mp_sub_d(a, b, c); - /* fix signs */ - a->sign = MP_NEG; - c->sign = (c->used) ? MP_NEG : MP_ZPOS; + /* fix sign */ + a->sign = c->sign = MP_NEG; /* clamp */ mp_clamp(c); @@ -107,3 +106,7 @@ mp_add_d (mp_int * a, mp_digit b, mp_int * c) } #endif + +/* $Source$ */ +/* $Revision: 0.41 $ */ +/* $Date: 2007-04-18 09:58:18 +0000 $ */ diff --git a/libtommath/bn_mp_radix_size.c b/libtommath/bn_mp_radix_size.c index 40c4d04..9d95c48 100644 --- a/libtommath/bn_mp_radix_size.c +++ b/libtommath/bn_mp_radix_size.c @@ -12,7 +12,7 @@ * 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, tomstdenis@gmail.com, http://libtom.org */ /* returns size of ASCII reprensentation */ @@ -66,18 +66,13 @@ int mp_radix_size (mp_int * a, int radix, int *size) } mp_clear (&t); - /* - * return digs + 1, the 1 is for the NULL byte that would be required. - * mp_toradix_n requires a minimum of 3 bytes, so never report less than - * that. - */ - - if ( digs >= 2 ) { - *size = digs + 1; - } else { - *size = 3; - } + /* return digs + 1, the 1 is for the NULL byte that would be required. */ + *size = digs + 1; return MP_OKAY; } #endif + +/* $Source$ */ +/* $Revision: 0.41 $ */ +/* $Date: 2007-04-18 09:58:18 +0000 $ */ |