Add some fast paths for standard operations.

diff --git a/field.c b/field.c
index c8e31d2..c7bbf48 100644 (file)
--- a/field.c
+++ b/field.c
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: field.c,v 1.4 2004/04/08 01:36:15 mdw Exp $
+ * $Id$
  *
  * Abstract field operations
  *
@@ -47,11 +47,7 @@
  */
 
 mp *field_id(field *f, mp *d, mp *x)
-{
-  x = MP_COPY(x);
-  if (d) MP_DROP(d);
-  return (x);
-}
+  { x = MP_COPY(x); if (d) MP_DROP(d); return (x); }
 
 /* --- @field_samep@ --- *
  *
@@ -65,9 +61,7 @@ mp *field_id(field *f, mp *d, mp *x)
  */
 
 int field_samep(field *f, field *g)
-{
-  return (f->ops == g->ops && F_SAMEP(f, g));
-}
+  { return (f == g || (f->ops == g->ops && F_SAMEP(f, g))); }
 
 /* --- @field_stdsamep@ --- *
  *
@@ -79,9 +73,6 @@ int field_samep(field *f, field *g)
  *             member.
  */
 
-int field_stdsamep(field *f, field *g)
-{
-  return (MP_EQ(f->m, g->m));
-}
+int field_stdsamep(field *f, field *g) { return (MP_EQ(f->m, g->m)); }
 
 /*----- That's all, folks -------------------------------------------------*/

diff --git a/group-stdops.c b/group-stdops.c
index ec30b4d..12005e7 100644 (file)
--- a/group-stdops.c
+++ b/group-stdops.c
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: group-stdops.c,v 1.3 2004/04/17 09:58:37 mdw Exp $
+ * $Id$
  *
  * Standard group operations
  *
@@ -71,10 +71,10 @@ int group_check(group *g, ge *x)
 
 int group_samep(group *g, group *h)
 {
-  return (g->ops == h->ops &&
-         MP_EQ(g->r, h->r) && MP_EQ(g->h, h->h) &&
-         G_EQ(g, g->i, h->i) && G_EQ(g, g->g, h->g) &&
-         G_SAMEP(g, h));
+  return (g == h || (g->ops == h->ops &&
+                    MP_EQ(g->r, h->r) && MP_EQ(g->h, h->h) &&
+                    G_EQ(g, g->i, h->i) && G_EQ(g, g->g, h->g) &&
+                    G_SAMEP(g, h)));
 }
 
 /*----- Standard implementations ------------------------------------------*/
@@ -115,10 +115,7 @@ void group_stdsqr(group *g, ge *d, ge *x) { G_MUL(g, d, x, x); }
  */
 
 void group_stddiv(group *g, ge *d, ge *x, ge *y)
-{
-  G_INV(g, d, y);
-  G_MUL(g, d, x, d);
-}
+  { G_INV(g, d, y); G_MUL(g, d, x, d); }
 
 /* --- @group_stdtoec@ --- *
  *