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authormatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2009-06-18 16:02:21 +0000
committermatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2009-06-18 16:02:21 +0000
commitfe737a1e1d0f49073ba49e2df2ea90db1795af80 (patch)
tree161aaf4fc1595eaedf1983142a20b1c8d09bff43
parent32004e3c46bb323a6559ad0a357dc3de1008abce (diff)
* ext/bigdecimal/bigdecimal.c (BigDecimal_to_f): went infinity too
early. add BASE_FIG margin. [ruby-dev:38673] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23737 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r--ChangeLog5
-rw-r--r--ext/bigdecimal/bigdecimal.c2
2 files changed, 6 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index e51ac1f596..a7e00cca44 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -18,6 +18,11 @@ Thu Jun 18 16:21:05 2009 Ryan Davis <ryand-ruby@zenspider.com>
* lib/minitest/*.rb: Imported minitest 1.4.0 r5083.
* test/minitest/*.rb: ditto.
+Thu Jun 18 10:12:49 2009 Yukihiro Matsumoto <matz@ruby-lang.org>
+
+ * ext/bigdecimal/bigdecimal.c (BigDecimal_to_f): went infinity too
+ early. add BASE_FIG margin. [ruby-dev:38673]
+
Thu Jun 18 01:35:51 2009 Yukihiro Matsumoto <matz@ruby-lang.org>
* numeric.c (flo_cmp): Infinity is greater than any bignum
diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c
index d80e0a764e..0b2ac34b15 100644
--- a/ext/bigdecimal/bigdecimal.c
+++ b/ext/bigdecimal/bigdecimal.c
@@ -605,7 +605,7 @@ BigDecimal_to_f(VALUE self)
GUARD_OBJ(p,GetVpValue(self,1));
if (VpVtoD(&d, &e, p)!=1) return rb_float_new(d);
- if (e > DBL_MAX_10_EXP) goto erange;
+ if (e > DBL_MAX_10_EXP+BASE_FIG) goto erange;
str = rb_str_new(0, VpNumOfChars(p,"E"));
buf = RSTRING_PTR(str);
VpToString(p, buf, 0, 0);