diff options
Diffstat (limited to 'ext/bigdecimal/bigdecimal.c')
| -rw-r--r-- | ext/bigdecimal/bigdecimal.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c index 776c0ae491..42ec26e706 100644 --- a/ext/bigdecimal/bigdecimal.c +++ b/ext/bigdecimal/bigdecimal.c @@ -951,7 +951,9 @@ 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); @@ -1023,8 +1025,8 @@ BigDecimal_DoDivmod(VALUE self, VALUE r, Real **div, Real **mod) return (VALUE)0; } - 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")); @@ -1036,6 +1038,7 @@ 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; |