/* -*-c-*-
*
- * $Id: mp-jacobi.c,v 1.4 2000/12/06 20:31:33 mdw Exp $
+ * $Id$
*
* Compute Jacobi symbol
*
* MA 02111-1307, USA.
*/
-/*----- 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@.
- *
- * Revision 1.2 1999/12/10 23:19:02 mdw
- * Improve error-checking.
- *
- * Revision 1.1 1999/11/22 20:50:37 mdw
- * Add support for computing Jacobi symbols.
- *
- */
-
/*----- Header files ------------------------------------------------------*/
#include "mp.h"
{
int s = 1;
- assert(((void)"n must be odd in mp_jacobi", MP_LEN(n) && (n->v[0] & 1)));
+ assert(MP_ODDP(n));
/* --- Take copies of the arguments --- */
/* --- Some simple special cases --- */
MP_SHRINK(a);
- if (MP_LEN(a) == 0) {
+ if (MP_ZEROP(a)) {
s = 0;
goto done;
}