merges r23730 from trunk into ruby_1_9_1.

--
* numeric.c (flo_cmp): Infinity is greater than any bignum
  number.  [ruby-dev:38672]

* bignum.c (rb_big_cmp): ditto.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_9_1@23798 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 0 deletions

diff --git a/numeric.c b/numeric.c
index 4fe06d2d4..9c32c92f4 100644
--- a/numeric.c
+++ b/numeric.c
@@ -932,6 +932,10 @@ flo_cmp(VALUE x, VALUE y)
 	break;
 
       case T_BIGNUM:
+	if (isinf(a)) {
+	    if (a > 0.0) return INT2FIX(1);
+	    else return INT2FIX(-1);
+	}
 	b = rb_big2dbl(y);
 	break;