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* ext/bigdecimal/bigdecimal.c (BigDecimal_divide): fix precision too.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26627 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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mame 2010-02-09 14:49:41 +00:00
parent 03ad923cdd
commit 520053232e
2 changed files with 7 additions and 1 deletions
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ChangeLog
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@ -1,3 +1,7 @@
Tue Feb 9 23:48:25 2010 Yusuke Endoh <mame@tsg.ne.jp>
* ext/bigdecimal/bigdecimal.c (BigDecimal_divide): fix precision too.
Tue Feb 9 23:26:07 2010 Yusuke Endoh <mame@tsg.ne.jp> Tue Feb 9 23:26:07 2010 Yusuke Endoh <mame@tsg.ne.jp>
* ext/bigdecimal/bigdecimal.c (BigDecimal_DoDivmod): fix precision. * ext/bigdecimal/bigdecimal.c (BigDecimal_DoDivmod): fix precision.

4
ext/bigdecimal/bigdecimal.c
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@ -882,7 +882,9 @@ BigDecimal_divide(Real **c, Real **res, Real **div, VALUE self, VALUE r)
if(!b) return DoSomeOne(self,r,'/'); if(!b) return DoSomeOne(self,r,'/');
SAVE(b); SAVE(b);
*div = 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((*c),VpCreateRbObject(mx, "#0"));
GUARD_OBJ((*res),VpCreateRbObject((mx+1) * 2 +(VpBaseFig() + 1), "#0")); GUARD_OBJ((*res),VpCreateRbObject((mx+1) * 2 +(VpBaseFig() + 1), "#0"));
VpDivd(*c, *res, a, b); VpDivd(*c, *res, a, b);