General utilities cleanup. Add signature support to catcrypt. Throw in

[u/mdw/catacomb] / mp-sqrt.c

diff --git a/mp-sqrt.c b/mp-sqrt.c
index 7b65ec0..01fe000 100644 (file)
--- a/mp-sqrt.c
+++ b/mp-sqrt.c
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: mp-sqrt.c,v 1.3 2001/02/03 12:00:29 mdw Exp $
+ * $Id: mp-sqrt.c,v 1.5 2004/04/08 01:36:15 mdw Exp $
  *
  * Compute integer square roots
  *
@@ -27,21 +27,6 @@
  * MA 02111-1307, USA.
  */
 
-/*----- Revision history --------------------------------------------------* 
- *
- * $Log: mp-sqrt.c,v $
- * Revision 1.3  2001/02/03 12:00:29  mdw
- * Now @mp_drop@ checks its argument is non-NULL before attempting to free
- * it.  Note that the macro version @MP_DROP@ doesn't do this.
- *
- * Revision 1.2  2000/10/08 12:02:21  mdw
- * Use @MP_EQ@ instead of @MP_CMP@.
- *
- * Revision 1.1  2000/06/22 19:01:44  mdw
- * Compute (approximations to) integer square roots.
- *
- */
-
 /*----- Header files ------------------------------------------------------*/
 
 #include "mp.h"
@@ -85,7 +70,6 @@ mp *mp_sqrt(mp *d, mp *a)
   z >>= 1;
   mp_copy(a);
   d = mp_lsr(d, a, z);
-  mp_drop(a);
 
   /* --- Main approximation --- *
    *
@@ -118,6 +102,7 @@ mp *mp_sqrt(mp *d, mp *a)
 
   /* --- Finished, at last --- */
 
+  mp_drop(a);
   mp_drop(q);
   mp_drop(r);
   return (d);