Add an internal-representation no-op function.

[u/mdw/catacomb] / grand.c

diff --git a/grand.c b/grand.c
index 0f9eee5..b7118ab 100644 (file)
--- a/grand.c
+++ b/grand.c
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: grand.c,v 1.1 1999/12/10 23:16:01 mdw Exp $
+ * $Id: grand.c,v 1.2 2000/12/06 20:31:06 mdw Exp $
  *
  * Generic interface to random number generators
  *
@@ -30,6 +30,9 @@
 /*----- Revision history --------------------------------------------------* 
  *
  * $Log: grand.c,v $
+ * Revision 1.2  2000/12/06 20:31:06  mdw
+ * Simplify uniform range transformation.
+ *
  * Revision 1.1  1999/12/10 23:16:01  mdw
  * Generic interface.
  *
@@ -126,7 +129,6 @@ uint32 grand_range(grand *r, uint32 l)
      */
 
     z = m - (m % l);
-    m = z / l;
 
     /* --- Generate numbers until something acceptable is found --- *
      *
@@ -134,7 +136,7 @@ uint32 grand_range(grand *r, uint32 l)
      */
 
     do x = w(r); while (x >= z);
-    return (x / m);
+    return (x % l);
   }
 }