merge revision(s) 28324:

	* bignum.c (rb_big2dbl), test/ruby/test_bignum.rb (test_to_f):
	  A negative Bignum out of Float range should be converted to -Infinity.
	  [ruby-core:30492] [Bug #3362]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@35941 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 1 deletions

diff --git a/bignum.c b/bignum.c
index 77697ae4fa..6c0bf651da 100644
--- a/bignum.c
+++ b/bignum.c
@@ -1069,7 +1069,10 @@ rb_big2dbl(x)
 
     if (isinf(d)) {
 	rb_warn("Bignum out of Float range");
-	d = HUGE_VAL;
+	if (d < 0.0)
+	    d = -HUGE_VAL;
+	else
+	    d = HUGE_VAL;
     }
     return d;
 }