diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | ext/bigdecimal/bigdecimal.c | 4 |
2 files changed, 8 insertions, 2 deletions
@@ -1,3 +1,9 @@ +Fri Aug 31 14:32:05 2012 NAKAMURA Usaku <usa@ruby-lang.org> + + * ext/bigdecimal/bigdecimal.c (BigDecimal_to_f): use self's sign to + determine 0.0 and Inf's sign instead of internal double value's. + Reported by phasis68 (Heesob Park) at [ruby-core:47381] [Bug #6955] + Fri Aug 31 14:31:17 2012 Nobuyoshi Nakada <nobu@ruby-lang.org> * template/id.h.tmpl, tool/id2token.rb: make id.h independent from diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c index e8ba40a531..e798781b67 100644 --- a/ext/bigdecimal/bigdecimal.c +++ b/ext/bigdecimal/bigdecimal.c @@ -704,14 +704,14 @@ BigDecimal_to_f(VALUE self) overflow: VpException(VP_EXCEPTION_OVERFLOW, "BigDecimal to Float conversion", 0); - if (d > 0.0) + if (p->sign >= 0) return rb_float_new(VpGetDoublePosInf()); else return rb_float_new(VpGetDoubleNegInf()); underflow: VpException(VP_EXCEPTION_UNDERFLOW, "BigDecimal to Float conversion", 0); - if (d > 0.0) + if (p->sign >= 0) return rb_float_new(0.0); else return rb_float_new(-0.0); |