diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | ext/bigdecimal/bigdecimal.c | 5 |
2 files changed, 8 insertions, 2 deletions
@@ -1,3 +1,8 @@ +Tue Feb 9 23:26:07 2010 Yusuke Endoh <mame@tsg.ne.jp> + + * 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 <mame@tsg.ne.jp> * 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(mx<b->Prec) mx = b->Prec; + 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")); @@ -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; |