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Fix help message.
[u/mdw/catacomb]
/
lcrand.c
diff --git
a/lcrand.c
b/lcrand.c
index
88e9591
..
f53a3f2
100644
(file)
--- a/
lcrand.c
+++ b/
lcrand.c
@@
-1,6
+1,6
@@
/* -*-c-*-
*
/* -*-c-*-
*
- * $Id: lcrand.c,v 1.
2 1999/12/13 15:34:01
mdw Exp $
+ * $Id: lcrand.c,v 1.
4 2000/12/06 20:31:06
mdw Exp $
*
* Simple linear congruential generator
*
*
* Simple linear congruential generator
*
@@
-30,6
+30,12
@@
/*----- Revision history --------------------------------------------------*
*
* $Log: lcrand.c,v $
/*----- Revision history --------------------------------------------------*
*
* $Log: lcrand.c,v $
+ * Revision 1.4 2000/12/06 20:31:06 mdw
+ * Simplify uniform range transformation.
+ *
+ * Revision 1.3 2000/06/17 11:29:03 mdw
+ * Add the flags word to the generic generator.
+ *
* Revision 1.2 1999/12/13 15:34:01 mdw
* Add support for seeding from a generic pseudorandom source.
*
* Revision 1.2 1999/12/13 15:34:01 mdw
* Add support for seeding from a generic pseudorandom source.
*
@@
-175,7
+181,7
@@
uint32 lcrand_range(uint32 *x, uint32 m)
uint32 r = P - P % m;
do xx = lcrand(xx); while (xx >= r);
*x = xx;
uint32 r = P - P % m;
do xx = lcrand(xx); while (xx >= r);
*x = xx;
- return (xx
/ (r / m)
);
+ return (xx
% m
);
}
/*----- Generic interface -------------------------------------------------*/
}
/*----- Generic interface -------------------------------------------------*/
@@
-257,7
+263,7
@@
static uint32 grange(grand *r, uint32 l)
static const grand_ops gops = {
"lcrand",
static const grand_ops gops = {
"lcrand",
- LCRAND_P,
+ LCRAND_P,
0,
gmisc, gdestroy,
graw, gbyte, grand_word, grange, grand_fill
};
gmisc, gdestroy,
graw, gbyte, grand_word, grange, grand_fill
};