From 47465ab1ccf48d2c905dbcf3b676e30b61cc41ca Mon Sep 17 00:00:00 2001
From: Kenta Murata <mrkn@mrkn.jp>
Date: Fri, 17 Jan 2020 10:41:03 +0900
Subject: rb_rational_raw: make a denominator always positive

---
 rational.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'rational.c')

diff --git a/rational.c b/rational.c
index f483c6d68b..0261c6940a 100644
--- a/rational.c
+++ b/rational.c
@@ -1927,6 +1927,10 @@ rb_gcdlcm(VALUE self, VALUE other)
 VALUE
 rb_rational_raw(VALUE x, VALUE y)
 {
+    if (INT_NEGATIVE_P(y)) {
+        x = rb_int_uminus(x);
+        y = rb_int_uminus(y);
+    }
     return nurat_s_new_internal(rb_cRational, x, y);
 }
 
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