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* lib/cmath.rb (sqrt): should pass nan or infinity to the original

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method.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20646 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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tadf 2008-12-11 14:49:54 +00:00
parent 876e1b87e7
commit 50c1da22df
2 changed files with 6 additions and 1 deletions
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ChangeLog
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@ -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> 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: * lib/rss/maker.rb, lib/rss/maker/0.9.rb, lib/rss/maker/base.rb:

2
lib/cmath.rb
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@ -57,7 +57,7 @@ module CMath
def sqrt(z) def sqrt(z)
if z.real? if z.real?
if z >= 0 if z >= 0 || (Float === z && (z.nan? || z.infinite?))
sqrt!(z) sqrt!(z)
else else
Complex(0, sqrt!(-z)) Complex(0, sqrt!(-z))