X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/blobdiff_plain/bd98b2dfce11db0e8893a2974d5f8db58dd90fa1..dd5178510951a58b9be7cc1517732f46ec12e6a3:/mpx.c

diff --git a/mpx.c b/mpx.c
index e3600b7..80628b8 100644
--- a/mpx.c
+++ b/mpx.c
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: mpx.c,v 1.4 1999/11/17 18:04:09 mdw Exp $
+ * $Id: mpx.c,v 1.5 1999/11/20 22:23:27 mdw Exp $
  *
  * Low-level multiprecision arithmetic
  *
@@ -30,6 +30,9 @@
 /*----- Revision history --------------------------------------------------* 
  *
  * $Log: mpx.c,v $
+ * Revision 1.5  1999/11/20 22:23:27  mdw
+ * Add function versions of some low-level macros with wider use.
+ *
  * Revision 1.4  1999/11/17 18:04:09  mdw
  * Add two's-complement functionality.  Improve mpx_udiv a little by
  * performing the multiplication of the divisor by q with the subtraction
@@ -477,6 +480,18 @@ void mpx_uadd(mpw *dv, mpw *dvl, const mpw *av, const mpw *avl,
   }
 }
 
+/* --- @mpx_uaddn@ --- *
+ *
+ * Arguments:	@mpw *dv, *dvl@ = source and destination base and limit
+ *		@mpw n@ = other addend
+ *
+ * Returns:	---
+ *
+ * Use:		Adds a small integer to a multiprecision number.
+ */
+
+void mpx_uaddn(mpw *dv, mpw *dvl, mpw n) { MPX_UADDN(dv, dvl, n); }
+
 /* --- @mpx_usub@ --- *
  *
  * Arguments:	@mpw *dv, *dvl@ = destination vector base and limit
@@ -519,6 +534,18 @@ void mpx_usub(mpw *dv, mpw *dvl, const mpw *av, const mpw *avl,
     *dv++ = c;
 }
 
+/* --- @mpx_usubn@ --- *
+ *
+ * Arguments:	@mpw *dv, *dvl@ = source and destination base and limit
+ *		@n@ = subtrahend
+ *
+ * Returns:	---
+ *
+ * Use:		Subtracts a small integer from a multiprecision number.
+ */
+
+void mpx_usubn(mpw *dv, mpw *dvl, mpw n) { MPX_USUBN(dv, dvl, n); }
+
 /* --- @mpx_umul@ --- *
  *
  * Arguments:	@mpw *dv, *dvl@ = destination vector base and limit
@@ -573,6 +600,41 @@ void mpx_umul(mpw *dv, mpw *dvl, const mpw *av, const mpw *avl,
   }
 }
 
+/* --- @mpx_umuln@ --- *
+ *
+ * Arguments:	@mpw *dv, *dvl@ = destination vector base and limit
+ *		@const mpw *av, *avl@ = multiplicand vector base and limit
+ *		@mpw m@ = multiplier
+ *
+ * Returns:	---
+ *
+ * Use:		Multiplies a multiprecision integer by a single-word value.
+ *		The destination and source may be equal.  The destination
+ *		is completely cleared after use.
+ */
+
+void mpx_umuln(mpw *dv, mpw *dvl, const mpw *av, const mpw *avl, mpw m)
+{
+  MPX_UMULN(dv, dvl, av, avl, m);
+}
+
+/* --- @mpx_umlan@ --- *
+ *
+ * Arguments:	@mpw *dv, *dvl@ = destination/accumulator base and limit
+ *		@const mpw *av, *avl@ = multiplicand vector base and limit
+ *		@mpw m@ = multiplier
+ *
+ * Returns:	---
+ *
+ * Use:		Multiplies a multiprecision integer by a single-word value
+ *		and adds the result to an accumulator.
+ */
+
+void mpx_umlan(mpw *dv, mpw *dvl, const mpw *av, const mpw *avl, mpw m)
+{
+  MPX_UMLAN(dv, dvl, av, avl, m);
+}
+
 /* --- @mpx_usqr@ --- *
  *
  * Arguments:	@mpw *dv, *dvl@ = destination vector base and limit