From 66e2928bd481a0dd2762da9428af39b3384c0852 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Tue, 8 Aug 2017 02:13:11 +0900
Subject: Float values divided by zero should honor signs; fix #3766

It also fixes unexpected resurrection of #3745 by #3752
---
 src/numeric.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

(limited to 'src/numeric.c')

diff --git a/src/numeric.c b/src/numeric.c
index be71f1185..6bfa776df 100644
--- a/src/numeric.c
+++ b/src/numeric.c
@@ -187,12 +187,9 @@ flodivmod(mrb_state *mrb, mrb_float x, mrb_float y, mrb_float *divp, mrb_float *
   mrb_float mod;
 
   if (y == 0.0) {
-    if (x == 0.0) {
-      div = NAN;
-    }
-    else {
-      div = INFINITY;
-    }
+    if (x == 0.0) div = NAN;
+    else if (x > 0.0) div = INFINITY;
+    else if (x < 0.0) div = -INFINITY;
     mod = NAN;
   }
   else {
-- 
cgit v1.2.3