From 7251c93cb3e39be231ad7cdf356dcceb79522d46 Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 29 Jun 2013 15:57:07 +0000
Subject: * bignum.c (RBIGNUM_SET_NEGATIVE_SIGN): New macro.  
 (RBIGNUM_SET_POSITIVE_SIGN): Ditto.   (rb_big_neg): Inline get2comp to avoid
 double negation.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41696 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/-test-/bignum/bigzero.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'ext/-test-/bignum')

diff --git a/ext/-test-/bignum/bigzero.c b/ext/-test-/bignum/bigzero.c
index 5181d71aab..2f7c272744 100644
--- a/ext/-test-/bignum/bigzero.c
+++ b/ext/-test-/bignum/bigzero.c
@@ -9,8 +9,18 @@ bug_big_zero(VALUE self, VALUE length)
     return z;
 }
 
+static VALUE
+bug_big_negzero(VALUE self, VALUE length)
+{
+    long len = NUM2ULONG(length);
+    VALUE z = rb_big_new(len, 0);
+    MEMZERO(RBIGNUM_DIGITS(z), BDIGIT, len);
+    return z;
+}
+
 void
 Init_bigzero(VALUE klass)
 {
     rb_define_singleton_method(klass, "zero", bug_big_zero, 1);
+    rb_define_singleton_method(klass, "negzero", bug_big_negzero, 1);
 }
-- 
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