aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--ChangeLog5
-rw-r--r--lib/cmath.rb2
2 files changed, 6 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 1533043dfb..370eed3ff6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Dec 11 23:48:00 2008 Tadayoshi Funaba <tadf@dotrb.org>
+
+ * lib/cmath.rb (sqrt): should pass nan or infinity to the original
+ method.
+
Thu Dec 11 21:04:04 2008 Kouhei Sutou <kou@cozmixng.org>
* lib/rss/maker.rb, lib/rss/maker/0.9.rb, lib/rss/maker/base.rb:
diff --git a/lib/cmath.rb b/lib/cmath.rb
index 00bcc9087f..9705b277b0 100644
--- a/lib/cmath.rb
+++ b/lib/cmath.rb
@@ -57,7 +57,7 @@ module CMath
def sqrt(z)
if z.real?
- if z >= 0
+ if z >= 0 || (Float === z && (z.nan? || z.infinite?))
sqrt!(z)
else
Complex(0, sqrt!(-z))