From 208ec9936afe059ff064d66ac05a20303022ad79 Mon Sep 17 00:00:00 2001
From: yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 8 Aug 2009 15:31:53 +0000
Subject: merges r24361 from trunk into ruby_1_9_1. -- * numeric.c (flo_hash):
 normalize -0.0 to 0.0.  [ruby-core:24577]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@24458 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 numeric.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'numeric.c')

diff --git a/numeric.c b/numeric.c
index a3cb3be1c8..261c98ad12 100644
--- a/numeric.c
+++ b/numeric.c
@@ -897,6 +897,8 @@ flo_hash(VALUE num)
     int hash;
 
     d = RFLOAT_VALUE(num);
+    /* normalize -0.0 to 0.0 */
+    if (d == 0.0) d = 0.0;
     hash = rb_memhash(&d, sizeof(d));
     return INT2FIX(hash);
 }
-- 
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