X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/blobdiff_plain/578a86d91941a0f722b87973d88e84ec2cf9a608..a69a3efddbe1261f55e90d4ff477053ab80663a5:/ec-exp.c

diff --git a/ec-exp.c b/ec-exp.c
index edcf620..c367bda 100644
--- a/ec-exp.c
+++ b/ec-exp.c
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: ec-exp.c,v 1.2 2004/04/08 01:36:15 mdw Exp $
+ * $Id$
  *
  * Point multiplication for elliptic curves
  *
@@ -57,10 +57,10 @@ ec *ec_imul(ec_curve *c, ec *d, const ec *p, mp *n)
     t.x->f |= MP_BURN;
   MP_SHRINK(n);
   EC_SETINF(d);
-  if (MP_LEN(n) == 0)
+  if (MP_ZEROP(n))
     ;
   else {
-    if (n->f & MP_NEG)
+    if (MP_NEGP(n))
       EC_NEG(c, &t, &t);
     if (MP_LEN(n) < EXP_THRESH)
       EXP_SIMPLE(*d, t, n);
@@ -100,7 +100,7 @@ static ec *immul(ec_curve *c, ec *d, ec_mulfactor *f, size_t n)
 
   for (i = 0; i < n; i++) {
     MP_SHRINK(f[i].exp);
-    if (f[i].exp->f & MP_NEG)
+    if (MP_NEGP(f[i].exp))
       EC_NEG(c, &f[i].base, &f[i].base);
     if (f[i].base.x && f[i].exp->f & MP_BURN)
       f[i].base.x->f |= MP_BURN;