Gather up another utility.

[u/mdw/catacomb] / mpmul.c

diff --git a/mpmul.c b/mpmul.c
index e5d6a4a..29f499a 100644 (file)
--- a/mpmul.c
+++ b/mpmul.c
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: mpmul.c,v 1.2 2000/07/09 21:31:10 mdw Exp $
+ * $Id: mpmul.c,v 1.5 2004/04/08 01:36:15 mdw Exp $
  *
  * Multiply many small numbers together
  *
@@ -27,17 +27,6 @@
  * MA 02111-1307, USA.
  */
 
-/*----- Revision history --------------------------------------------------* 
- *
- * $Log: mpmul.c,v $
- * Revision 1.2  2000/07/09 21:31:10  mdw
- * Fix bug, and add a test rig.
- *
- * Revision 1.1  2000/07/01 11:21:39  mdw
- * New interface for computing products of many (small) integers.
- *
- */
-
 /*----- Header files ------------------------------------------------------*/
 
 #include "mp.h"
@@ -145,8 +134,7 @@ mp *mp_factorial(unsigned long i)
     x = mp_fromulong(x, j);
     mpmul_add(&b, x);
   }
-  if (x)
-    mp_drop(x);
+  mp_drop(x);
   return (mpmul_done(&b));
 }
 
@@ -162,7 +150,7 @@ static int vfact(dstr *v)
   mp *fx = *(mp **)v[1].buf;
   mp *y = mp_factorial(x);
   int ok = 1;
-  if (MP_CMP(fx, !=, y)) {
+  if (!MP_EQ(fx, y)) {
     fprintf(stderr, "factorial failed\n");
     MP_FPRINTF(stderr, (stderr, "%lu! = ", x), fx);
     MP_EPRINT("result", y);