From 520053232e76b03952b7e80be2c5a906132de195 Mon Sep 17 00:00:00 2001
From: mame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 9 Feb 2010 14:49:41 +0000
Subject: * ext/bigdecimal/bigdecimal.c (BigDecimal_divide): fix precision too.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26627 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/bigdecimal/bigdecimal.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'ext/bigdecimal')

diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c
index 67622ea5eb..667f58128d 100644
--- a/ext/bigdecimal/bigdecimal.c
+++ b/ext/bigdecimal/bigdecimal.c
@@ -882,7 +882,9 @@ BigDecimal_divide(Real **c, Real **res, Real **div, VALUE self, VALUE r)
     if(!b) return DoSomeOne(self,r,'/');
     SAVE(b);
     *div = b;
-    mx =(a->MaxPrec + b->MaxPrec + 1) * VpBaseFig();
+    mx = a->Prec+abs(a->exponent);
+    if(mx<b->Prec+abs(b->exponent)) mx = b->Prec+abs(b->exponent);
+    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);
-- 
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