diff options
Diffstat (limited to 'libtommath/bn_mp_add_d.c')
| -rw-r--r-- | libtommath/bn_mp_add_d.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/libtommath/bn_mp_add_d.c b/libtommath/bn_mp_add_d.c index 5281ad4..4d4e1df 100644 --- a/libtommath/bn_mp_add_d.c +++ b/libtommath/bn_mp_add_d.c @@ -1,4 +1,4 @@ -#include <tommath.h> +#include <tommath_private.h> #ifdef BN_MP_ADD_D_C /* LibTomMath, multiple-precision integer library -- Tom St Denis * @@ -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, tstdenis82@gmail.com, http://libtom.org */ /* single digit addition */ @@ -23,23 +23,22 @@ mp_add_d (mp_int * a, mp_digit b, mp_int * c) mp_digit *tmpa, *tmpc, mu; /* grow c as required */ - if (c->alloc < a->used + 1) { + if (c->alloc < (a->used + 1)) { if ((res = mp_grow(c, a->used + 1)) != MP_OKAY) { return res; } } /* if a is negative and |a| >= b, call c = |a| - b */ - if (a->sign == MP_NEG && (a->used > 1 || a->dp[0] >= b)) { + if ((a->sign == MP_NEG) && ((a->used > 1) || (a->dp[0] >= b))) { /* temporarily fix sign of a */ a->sign = MP_ZPOS; /* 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 + +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ |