From 5d5179b619829b32a89c314090737716c14b6468 Mon Sep 17 00:00:00 2001
From: Zachary Scott <zachary@zacharyscott.net>
Date: Tue, 14 Jan 2014 00:54:17 -0800
Subject: [PATCH 1/2] Revert "temp workaround BigDecimal division issue [Bug
 #9316]"

This reverts commit 1e778b3b207394d2dcbe9570d4434fcf41345acf.

Please see ruby/ruby@e7fe564 for the official patch
---
 ext/bigdecimal/bigdecimal.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c
index 1203cd88bd52eb..e0b7c01e0853d6 100644
--- a/ext/bigdecimal/bigdecimal.c
+++ b/ext/bigdecimal/bigdecimal.c
@@ -1222,7 +1222,6 @@ BigDecimal_divide(Real **c, Real **res, Real **div, VALUE self, VALUE r)
     *div = b;
     mx = a->Prec + vabs(a->exponent);
     if (mx<b->Prec + vabs(b->exponent)) mx = b->Prec + vabs(b->exponent);
-    if (mx<3) mx = 3;
     mx =(mx + 1) * VpBaseFig();
     GUARD_OBJ((*c), VpCreateRbObject(mx, "#0"));
     GUARD_OBJ((*res), VpCreateRbObject((mx+1) * 2 +(VpBaseFig() + 1), "#0"));
@@ -1324,7 +1323,6 @@ BigDecimal_DoDivmod(VALUE self, VALUE r, Real **div, Real **mod)
 
     mx = a->Prec + vabs(a->exponent);
     if (mx<b->Prec + vabs(b->exponent)) mx = b->Prec + vabs(b->exponent);
-    if (mx<3) mx = 3;
     mx = (mx + 1) * VpBaseFig();
     GUARD_OBJ(c, VpCreateRbObject(mx, "0"));
     GUARD_OBJ(res, VpCreateRbObject((mx+1) * 2 +(VpBaseFig() + 1), "#0"));

From eaa20bd3c29e0876d6aac7fe30764a920bdac3cf Mon Sep 17 00:00:00 2001
From: mrkn <mrkn@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 13 Jan 2014 17:29:58 +0000
Subject: [PATCH 2/2] * ext/bigdecimal/bigdecimal.c (BigDecimal_divide): Add an
 additional   digit for the quotient to be compatible with bigdecimal 1.2.1
 and   the former.  [ruby-core:59365] [#9316] [#9305]

* test/bigdecimal/test_bigdecimal.rb: tests for the above change.

* ext/bigdecimal/bigdecimal.gemspec: bigdecimal version 1.2.4.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44588 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog                          | 10 ++++++++++
 ext/bigdecimal/bigdecimal.c        |  6 ++++--
 ext/bigdecimal/bigdecimal.gemspec  |  2 +-
 test/bigdecimal/test_bigdecimal.rb |  4 ++++
 4 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index cb0c6ac930045c..967980eaa9d5a0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+Tue Jan 14 02:20:00 2014  Kenta Murata  <mrkn@mrkn.jp>
+
+	* ext/bigdecimal/bigdecimal.c (BigDecimal_divide): Add an additional
+	  digit for the quotient to be compatible with bigdecimal 1.2.1 and
+	  the former.  [ruby-core:59365] [#9316] [#9305]
+
+	* test/bigdecimal/test_bigdecimal.rb: tests for the above change.
+
+	* ext/bigdecimal/bigdecimal.gemspec: bigdecimal version 1.2.4.
+
 Thu Dec 26 03:28:11 2013  Koichi Sasada  <ko1@atdot.net>
 
 	* vm_insnhelper.c (argument_error): insert dummy frame to make
diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c
index e0b7c01e0853d6..8537817e86b636 100644
--- a/ext/bigdecimal/bigdecimal.c
+++ b/ext/bigdecimal/bigdecimal.c
@@ -1221,8 +1221,10 @@ BigDecimal_divide(Real **c, Real **res, Real **div, VALUE self, VALUE r)
 
     *div = b;
     mx = a->Prec + vabs(a->exponent);
-    if (mx<b->Prec + vabs(b->exponent)) mx = b->Prec + vabs(b->exponent);
-    mx =(mx + 1) * VpBaseFig();
+    if (mx < b->Prec + vabs(b->exponent)) mx = b->Prec + vabs(b->exponent);
+    mx++; /* NOTE: An additional digit is needed for the compatibility to
+                   the version 1.2.1 and the former.  */
+    mx = (mx + 1) * VpBaseFig();
     GUARD_OBJ((*c), VpCreateRbObject(mx, "#0"));
     GUARD_OBJ((*res), VpCreateRbObject((mx+1) * 2 +(VpBaseFig() + 1), "#0"));
     VpDivd(*c, *res, a, b);
diff --git a/ext/bigdecimal/bigdecimal.gemspec b/ext/bigdecimal/bigdecimal.gemspec
index 676e05bacbff48..7be9d7275bd2fa 100644
--- a/ext/bigdecimal/bigdecimal.gemspec
+++ b/ext/bigdecimal/bigdecimal.gemspec
@@ -1,5 +1,5 @@
 # -*- ruby -*-
-_VERSION = "1.2.3"
+_VERSION = "1.2.4"
 date = %w$Date::                           $[1]
 
 Gem::Specification.new do |s|
diff --git a/test/bigdecimal/test_bigdecimal.rb b/test/bigdecimal/test_bigdecimal.rb
index 6fdc422fdf61e3..02bb5a51755924 100644
--- a/test/bigdecimal/test_bigdecimal.rb
+++ b/test/bigdecimal/test_bigdecimal.rb
@@ -701,6 +701,10 @@ def test_div
     assert_equal(BigDecimal::SIGN_NEGATIVE_ZERO, (BigDecimal.new("-0") / 1).sign)
     assert_equal(2, BigDecimal.new("2") / 1)
     assert_equal(-2, BigDecimal.new("2") / -1)
+
+    assert_equal(BigDecimal('1486.868686869'), BigDecimal('1472.0') / BigDecimal('0.99'), '[ruby-core:59365] [#9316]')
+
+    assert_equal(4.124045235, BigDecimal('0.9932') / (700 * BigDecimal('0.344045') / BigDecimal('1000.0')), '[#9305]')
   end
 
   def test_div_with_float

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