From 37a18847494fcf1ed380f644dc9c6533ec8d2738 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Tue, 17 Nov 2020 00:24:43 +0900
Subject: Simplify `mrb_num_div_int()`.

---
 src/numeric.c | 21 +++++----------------
 1 file changed, 5 insertions(+), 16 deletions(-)

(limited to 'src')

diff --git a/src/numeric.c b/src/numeric.c
index e4fea8455..f8d646594 100644
--- a/src/numeric.c
+++ b/src/numeric.c
@@ -118,23 +118,12 @@ mrb_num_div_int(mrb_state *mrb, mrb_int x, mrb_int y)
     int_overflow(mrb, "division");
   }
   else {
-    mrb_int div, mod;
+    mrb_int div = x / y;
 
-    if (y < 0) {
-      if (x < 0)
-        div = -x / -y;
-      else
-        div = - (x / -y);
-    }
-    else {
-      if (x < 0)
-        div = - (-x / y);
-      else
-        div = x / y;
-    }
-    mod = x - div * y;
-    if ((mod < 0 && y > 0) || (mod > 0 && y < 0)) {
-      div -= 1;
+    if (div < 0) {
+      if (x != div * y) {
+        div -= 1;
+      }
     }
     return div;
   }
-- 
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