From dbd9d0321c66deeecf01445f8298aa5076391fbd Mon Sep 17 00:00:00 2001
From: MadCamel <madcamel@gmail.com>
Date: Sun, 30 Aug 2009 19:26:28 -0400
Subject: MRAND() no longer uses high-order bits

---
 src/common/utils.h | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

(limited to 'src/common')

diff --git a/src/common/utils.h b/src/common/utils.h
index ba96da1..0b006c3 100644
--- a/src/common/utils.h
+++ b/src/common/utils.h
@@ -34,10 +34,9 @@
 
 /*
  * ModuloRand and ModuloPlusRand. These macros are used to replace the
- * vast number of calls to rand()%mod which is low-order bits. These
- * instead use the high-order bits as suggested in the man page of rand().
+ * vast number of calls to rand()%mod ..
  * MRAND(10), returns 0-9.
  * MPRAND(5,10) returns 5-14.
  */
-#define MRAND(mod) (int) ((float)mod * (mt_random() / (RAND_MAX + 1.0)))
+#define MRAND(mod) (int) (mt_random() % mod)
 #define MPRAND(add, mod) add + MRAND(mod)
-- 
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