From 6918746e4651c5511e99a2672db00431fdbd3340 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 5 Oct 2018 00:37:40 +0000
Subject: [PATCH] Remove wrong conversion

* rational.c (nurat_to_double): should return `double`, not `Float`.
  fix r64897.  [Bug #15189]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64919 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 rational.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/rational.c b/rational.c
index 6426f2327c..d62a24ffbc 100644
--- a/rational.c
+++ b/rational.c
@@ -1556,8 +1556,7 @@ nurat_to_double(VALUE self)
 {
     get_dat1(self);
     if (!RB_INTEGER_TYPE_P(dat->num) || !RB_INTEGER_TYPE_P(dat->den)) {
-        double d = NUM2DBL(dat->num) / NUM2DBL(dat->den);
-        return DBL2NUM(d);
+        return NUM2DBL(dat->num) / NUM2DBL(dat->den);
     }
     return rb_int_fdiv_double(dat->num, dat->den);
 }