object.c: Backport #2364 [ruby-core:26733]; Allow result of to_f to be NaN to permit conversion from BigDecimal('NaN') to Float.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_6@28392 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 5 deletions

diff --git a/object.c b/object.c
index 60df9b3386..b321eb7ef0 100644
--- a/object.c
+++ b/object.c
@@ -2386,11 +2386,7 @@ rb_Float(val)
 
       default:
       {
-	  VALUE f = rb_convert_type(val, T_FLOAT, "Float", "to_f");
-	  if (isnan(RFLOAT(f)->value)) {
-	      rb_raise(rb_eArgError, "invalid value for Float()");
-	  }
-	  return f;
+	  return rb_convert_type(val, T_FLOAT, "Float", "to_f");
       }
     }
 }