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-rw-r--r--libtommath/bn_s_mp_sub.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/libtommath/bn_s_mp_sub.c b/libtommath/bn_s_mp_sub.c
index ccea6bd..c0ea556 100644
--- a/libtommath/bn_s_mp_sub.c
+++ b/libtommath/bn_s_mp_sub.c
@@ -1,4 +1,4 @@
-#include <tommath.h>
+#include <tommath_private.h>
#ifdef BN_S_MP_SUB_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://libtom.org
+ * Tom St Denis, tstdenis82@gmail.com, http://libtom.org
*/
/* low level subtraction (assumes |a| > |b|), HAC pp.595 Algorithm 14.9 */
@@ -35,8 +35,8 @@ s_mp_sub (mp_int * a, mp_int * b, mp_int * c)
c->used = max;
{
- register mp_digit u, *tmpa, *tmpb, *tmpc;
- register int i;
+ mp_digit u, *tmpa, *tmpb, *tmpc;
+ int i;
/* alias for digit pointers */
tmpa = a->dp;
@@ -47,14 +47,14 @@ s_mp_sub (mp_int * a, mp_int * b, mp_int * c)
u = 0;
for (i = 0; i < min; i++) {
/* T[i] = A[i] - B[i] - U */
- *tmpc = *tmpa++ - *tmpb++ - u;
+ *tmpc = (*tmpa++ - *tmpb++) - u;
/* U = carry bit of T[i]
* Note this saves performing an AND operation since
* if a carry does occur it will propagate all the way to the
* MSB. As a result a single shift is enough to get the carry
*/
- u = *tmpc >> ((mp_digit)(CHAR_BIT * sizeof (mp_digit) - 1));
+ u = *tmpc >> ((mp_digit)((CHAR_BIT * sizeof(mp_digit)) - 1));
/* Clear carry from T[i] */
*tmpc++ &= MP_MASK;
@@ -66,7 +66,7 @@ s_mp_sub (mp_int * a, mp_int * b, mp_int * c)
*tmpc = *tmpa++ - u;
/* U = carry bit of T[i] */
- u = *tmpc >> ((mp_digit)(CHAR_BIT * sizeof (mp_digit) - 1));
+ u = *tmpc >> ((mp_digit)((CHAR_BIT * sizeof(mp_digit)) - 1));
/* Clear carry from T[i] */
*tmpc++ &= MP_MASK;
@@ -85,5 +85,5 @@ s_mp_sub (mp_int * a, mp_int * b, mp_int * c)
#endif
/* $Source$ */
-/* $Revision: 0.41 $ */
-/* $Date: 2007-04-18 09:58:18 +0000 $ */
+/* $Revision$ */
+/* $Date$ */