From 603f95a0ed37d90854f80393881fb38ab29128a7 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 2 Oct 2018 16:42:21 +0000
Subject: Fix Rational of Float

[ruby-core:89239] [Bug #15189]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64897 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 numeric.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'numeric.c')

diff --git a/numeric.c b/numeric.c
index c8a240b778..292af0af27 100644
--- a/numeric.c
+++ b/numeric.c
@@ -4015,7 +4015,8 @@ fix_pow(VALUE x, VALUE y)
 	}
 	if (b < 0) {
 	    if (a == 0) rb_num_zerodiv();
-	    return rb_rational_raw(INT2FIX(1), rb_int_pow(x, LONG2NUM(-b)));
+            y = rb_int_pow(x, LONG2NUM(-b));
+            goto inverted;
 	}
 
 	if (b == 0) return INT2FIX(1);
@@ -4035,10 +4036,10 @@ fix_pow(VALUE x, VALUE y)
 	if (BIGNUM_NEGATIVE_P(y)) {
 	    if (a == 0) rb_num_zerodiv();
             y = rb_int_pow(x, rb_big_uminus(y));
-            if (0 && RB_FLOAT_TYPE_P(y)) {
-                /* Maybe should return a Float */
+          inverted:
+            if (RB_FLOAT_TYPE_P(y)) {
                 double d = pow((double)a, RFLOAT_VALUE(y));
-                return DBL2NUM(d);
+                return DBL2NUM(1.0 / d);
             }
             return rb_rational_raw(INT2FIX(1), y);
 	}
-- 
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