diff options
Diffstat (limited to 'libtommath/bn_mp_sub_d.c')
| -rw-r--r-- | libtommath/bn_mp_sub_d.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/libtommath/bn_mp_sub_d.c b/libtommath/bn_mp_sub_d.c index b1e4e3f..f5a932f 100644 --- a/libtommath/bn_mp_sub_d.c +++ b/libtommath/bn_mp_sub_d.c @@ -1,4 +1,4 @@ -#include <tommath.h> +#include <tommath_private.h> #ifdef BN_MP_SUB_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 subtraction */ @@ -23,7 +23,7 @@ mp_sub_d (mp_int * a, mp_digit b, mp_int * c) int res, ix, oldused; /* 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; } @@ -49,7 +49,7 @@ mp_sub_d (mp_int * a, mp_digit b, mp_int * c) tmpc = c->dp; /* if a <= b simply fix the single digit */ - if ((a->used == 1 && a->dp[0] <= b) || a->used == 0) { + if (((a->used == 1) && (a->dp[0] <= b)) || (a->used == 0)) { if (a->used == 1) { *tmpc++ = b - *tmpa; } else { @@ -67,13 +67,13 @@ mp_sub_d (mp_int * a, mp_digit b, mp_int * c) /* subtract first digit */ *tmpc = *tmpa++ - b; - mu = *tmpc >> (sizeof(mp_digit) * CHAR_BIT - 1); + mu = *tmpc >> ((sizeof(mp_digit) * CHAR_BIT) - 1); *tmpc++ &= MP_MASK; /* handle rest of the digits */ for (ix = 1; ix < a->used; ix++) { *tmpc = *tmpa++ - mu; - mu = *tmpc >> (sizeof(mp_digit) * CHAR_BIT - 1); + mu = *tmpc >> ((sizeof(mp_digit) * CHAR_BIT) - 1); *tmpc++ &= MP_MASK; } } @@ -87,3 +87,7 @@ mp_sub_d (mp_int * a, mp_digit b, mp_int * c) } #endif + +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ |