X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/blobdiff_plain/b817bfc642225b8c3c0b6a7e42d1fb949b61a606..222c8a436f09da82e2ee7c84c7aca47d11a2c843:/gf-gcd.c

diff --git a/gf-gcd.c b/gf-gcd.c
index 8eb9bbf..622679a 100644
--- a/gf-gcd.c
+++ b/gf-gcd.c
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: gf-gcd.c,v 1.3 2004/04/08 01:36:15 mdw Exp $
+ * $Id$
  *
  * Euclidian algorithm on binary polynomials
  *
@@ -119,7 +119,7 @@ void gf_gcd(mp **gcd, mp **xx, mp **yy, mp *a, mp *b)
   u = MP_COPY(a);
   v = MP_COPY(b);
 
-  while (MP_LEN(v)) {
+  while (!MP_ZEROP(v)) {
     mp *t;
     gf_div(&q, &u, u, v);
     if (f & f_ext) {