From c31e1ea798f9a67917258147ba2cd33cf1ca851a Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Wed, 31 Jul 2019 00:57:00 +0900
Subject: Normalize floating point negative zero to positive zero in
 `flodivmod'.

---
 src/numeric.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src')

diff --git a/src/numeric.c b/src/numeric.c
index 92e98a8a7..6cddcdada 100644
--- a/src/numeric.c
+++ b/src/numeric.c
@@ -320,6 +320,8 @@ flodivmod(mrb_state *mrb, double x, double y, mrb_float *divp, mrb_float *modp)
     div = (x - mod) / y;
     if (modp && divp) div = round(div);
   }
+  if (div == 0) div = 0.0;
+  if (mod == 0) mod = 0.0;
   if (y*mod < 0) {
     mod += y;
     div -= 1.0;
-- 
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