Add support for left-to-right bitscanning, for use in modular

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

diff --git a/mp-misc.c b/mp-misc.c
index 840f947..15c582d 100644 (file)
--- a/mp-misc.c
+++ b/mp-misc.c
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: mp-misc.c,v 1.2 2000/06/17 11:45:09 mdw Exp $
+ * $Id: mp-misc.c,v 1.3 2000/07/29 17:03:31 mdw Exp $
  *
  * Miscellaneous multiprecision support functions
  *
@@ -30,6 +30,10 @@
 /*----- Revision history --------------------------------------------------* 
  *
  * $Log: mp-misc.c,v $
+ * Revision 1.3  2000/07/29 17:03:31  mdw
+ * Add support for left-to-right bitscanning, for use in modular
+ * exponentiation.
+ *
  * Revision 1.2  2000/06/17 11:45:09  mdw
  * Major memory management overhaul.  Added arena support.  Use the secure
  * arena for secret integers.  Replace and improve the MP management macros
@@ -93,4 +97,17 @@ void mp_minimize(mp *m)
 
 void mp_scan(mpscan *sc, const mp *m) { MP_SCAN(sc, m); }
 
+/* --- @mp_scan@ --- *
+ *
+ * Arguments:  @mpscan *sc@ = pointer to bitscanner block
+ *             @const mp *m@ = pointer to a multiprecision integer
+ *
+ * Returns:    ---
+ *
+ * Use:                Initializes a reverse bitscanner on a multiprecision
+ *             integer.
+ */
+
+void mp_rscan(mpscan *sc, const mp *m) { MP_RSCAN(sc, m); }
+
 /*----- That's all, folks -------------------------------------------------*/