+ * Revision 1.8 2002/01/13 13:42:53 mdw
+ * More efficient Rabin-Miller test: with random witnesses, skip redundant
+ * Montgomerization. (Being bijective, it can't affect the distribution.)
+ *
+ * Revision 1.7 2001/02/03 16:05:32 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 1.6 2000/10/08 12:11:22 mdw
+ * Use @MP_EQ@ instead of @MP_CMP@.
+ *
+ * Revision 1.5 2000/06/17 11:52:36 mdw
+ * Signal a pgen abort if the jump and base share a common factor.
+ *