aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--ChangeLog3
-rw-r--r--lib/cmath.rb6
2 files changed, 4 insertions, 5 deletions
diff --git a/ChangeLog b/ChangeLog
index 370eed3ff6..5b8f211822 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,7 +1,6 @@
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.
+ * lib/cmath.rb (sqrt): should pass nan to the original method.
Thu Dec 11 21:04:04 2008 Kouhei Sutou <kou@cozmixng.org>
diff --git a/lib/cmath.rb b/lib/cmath.rb
index 9705b277b0..95a30c336b 100644
--- a/lib/cmath.rb
+++ b/lib/cmath.rb
@@ -57,10 +57,10 @@ module CMath
def sqrt(z)
if z.real?
- if z >= 0 || (Float === z && (z.nan? || z.infinite?))
- sqrt!(z)
- else
+ if z < 0
Complex(0, sqrt!(-z))
+ else
+ sqrt!(z)
end
else
if z.imag < 0