From 03ad923cdd130bd522e7b25e6f3958b3118aae01 Mon Sep 17 00:00:00 2001 From: mame Date: Tue, 9 Feb 2010 14:30:30 +0000 Subject: [PATCH] * ext/bigdecimal/bigdecimal.c (BigDecimal_DoDivmod): fix precision. [ruby-core:17472][ruby-dev:35372][ruby-dev:40105][ruby-dev:40358] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26626 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ChangeLog | 5 +++++ ext/bigdecimal/bigdecimal.c | 5 +++-- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/ChangeLog b/ChangeLog index 600803c29e..a8fa0cd370 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +Tue Feb 9 23:26:07 2010 Yusuke Endoh + + * ext/bigdecimal/bigdecimal.c (BigDecimal_DoDivmod): fix precision. + [ruby-core:17472][ruby-dev:35372][ruby-dev:40105][ruby-dev:40358] + Tue Feb 9 22:23:27 2010 Yusuke Endoh * io.c (READ_CHECK): do not select fd before reading, that had made diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c index 8e85fdf1f8..67622ea5eb 100644 --- a/ext/bigdecimal/bigdecimal.c +++ b/ext/bigdecimal/bigdecimal.c @@ -970,8 +970,8 @@ BigDecimal_DoDivmod(VALUE self, VALUE r, Real **div, Real **mod) return Qtrue; } - mx = a->Prec; - if(mxPrec) mx = b->Prec; + mx = a->Prec+abs(a->exponent); + if(mxPrec+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")); @@ -983,6 +983,7 @@ BigDecimal_DoDivmod(VALUE self, VALUE r, Real **div, Real **mod) VpAddSub(c,a,res,-1); if(!VpIsZero(c) && (VpGetSign(a)*VpGetSign(b)<0)) { VpAddSub(res,d,VpOne(),-1); + GUARD_OBJ(d,VpCreateRbObject(GetAddSubPrec(c, b)*(VpBaseFig() + 1), "0")); VpAddSub(d ,c,b, 1); *div = res; *mod = d;