* numeric.c (fix_pow): returns 1.0 for 0**0.0.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@13786 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 4 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index cde4796f2..a8bf838a7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,6 @@
-Fri Oct 26 17:01:34 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+Fri Oct 26 17:14:14 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* numeric.c (fix_pow): returns 1.0 for 0**0.0.
 
 	* numeric.c (fix_pow): returns infinity for 0**-1.  [ruby-dev:32084]
 
diff --git a/numeric.c b/numeric.c
index 3c0cfdaaa..4e30d4e23 100644
--- a/numeric.c
+++ b/numeric.c
@@ -2361,6 +2361,7 @@ fix_pow(VALUE x, VALUE y)
 	x = rb_int2big(FIX2LONG(x));
 	return rb_big_pow(x, y);
       case T_FLOAT:
+	if (RFLOAT(y)->value == 0.0) return rb_float_new(1.0);
 	if (a == 0) {
 	    return rb_float_new(RFLOAT(y)->value < 0 ? (1.0 / zero) : 0.0);
 	}