From 06010b2b05292e6557be75f609aa1295eeea68de Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 22 Feb 2017 23:28:26 +0000
Subject: rational.c: infinity in power

* rational.c (nurat_expt): return Infinity due to overflow.
  [ruby-core:79686] [Bug #13242]:

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57688 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 numeric.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'numeric.c')

diff --git a/numeric.c b/numeric.c
index 65edfec205..16cdbb261a 100644
--- a/numeric.c
+++ b/numeric.c
@@ -3913,6 +3913,8 @@ int_pow(long x, unsigned long y)
 		VALUE v;
 	      bignum:
 		v = rb_big_pow(rb_int2big(x), LONG2NUM(y));
+		if (RB_FLOAT_TYPE_P(v)) /* infinity due to overflow */
+		    return v;
 		if (z != 1) v = rb_big_mul(rb_int2big(neg ? -z : z), v);
 		return v;
 	    }
-- 
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