From edd4332a3803fa30b4624371c1cc37fe75d19ff4 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 6 Aug 2010 11:12:35 +0000
Subject: * rational.c (nurat_div): divided by float zero should be   infinity.
  [ruby-core:31626]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28886 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 rational.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'rational.c')

diff --git a/rational.c b/rational.c
index 6e3b39639d..d732f8d8a7 100644
--- a/rational.c
+++ b/rational.c
@@ -882,7 +882,7 @@ nurat_div(VALUE self, VALUE other)
 		    return DBL2NUM(-INFINITY);
 		}
 	    }
-	    if (modf(x, &den) == 0.0) {
+	    if (x != 0.0 && modf(x, &den) == 0.0) {
 		return rb_rational_raw2(dat->num, f_mul(rb_dbl2big(den), dat->den));
 	    }
 	}
-- 
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