From 19afeacb884b53949236c30afaa4ce2866c30603 Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 12 Apr 2010 15:16:45 +0000
Subject: * random.c (rand_init): use the absolute value of seed to   make
 srand(-2**40) portable with 32bit and 64bit.   [ruby-core:29292](2)

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27323 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 random.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'random.c')

diff --git a/random.c b/random.c
index de047995d5..149069c76e 100644
--- a/random.c
+++ b/random.c
@@ -376,6 +376,8 @@ rand_init(struct MT *mt, VALUE vseed)
       case T_FIXNUM:
 	len = 1;
 	fixnum_seed = FIX2LONG(seed);
+        if (fixnum_seed < 0)
+            fixnum_seed = -fixnum_seed;
 	buf[0] = (unsigned int)(fixnum_seed & 0xffffffff);
 #if SIZEOF_LONG > SIZEOF_INT32
 	if ((long)(int)fixnum_seed != fixnum_seed) {
-- 
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