X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/blobdiff_plain/774d32a5b60c5e7d38fba874a42e2273c49889fc..283b9af095a5b24ae71b49a6d2dcbdcdaae47c40:/mp-jacobi.c

diff --git a/mp-jacobi.c b/mp-jacobi.c
index aba168e..0e187cf 100644
--- a/mp-jacobi.c
+++ b/mp-jacobi.c
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: mp-jacobi.c,v 1.3 2000/07/20 17:14:34 mdw Exp $
+ * $Id: mp-jacobi.c,v 1.4 2000/12/06 20:31:33 mdw Exp $
  *
  * Compute Jacobi symbol
  *
@@ -30,6 +30,9 @@
 /*----- Revision history --------------------------------------------------* 
  *
  * $Log: mp-jacobi.c,v $
+ * Revision 1.4  2000/12/06 20:31:33  mdw
+ * Add assertion to prevent crapness.
+ *
  * Revision 1.3  2000/07/20 17:14:34  mdw
  * Simplify by using @mp_odd@.
  *
@@ -64,6 +67,8 @@ int mp_jacobi(mp *a, mp *n)
 {
   int s = 1;
 
+  assert(((void)"n must be odd in mp_jacobi", MP_LEN(n) && (n->v[0] & 1)));
+
   /* --- Take copies of the arguments --- */
 
   a = MP_COPY(a);