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do not pass -infinity.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20647 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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tadf 2008-12-11 15:11:14 +00:00
parent 50c1da22df
commit 0d7f4ad828
2 changed files with 4 additions and 5 deletions
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3
ChangeLog
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@ -1,7 +1,6 @@
Thu Dec 11 23:48:00 2008 Tadayoshi Funaba <tadf@dotrb.org> Thu Dec 11 23:48:00 2008 Tadayoshi Funaba <tadf@dotrb.org>
* lib/cmath.rb (sqrt): should pass nan or infinity to the original * lib/cmath.rb (sqrt): should pass nan to the original method.
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>

6
lib/cmath.rb
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@ -57,10 +57,10 @@ module CMath
def sqrt(z) def sqrt(z)
if z.real? if z.real?
if z >= 0 || (Float === z && (z.nan? || z.infinite?)) if z < 0
sqrt!(z)
else
Complex(0, sqrt!(-z)) Complex(0, sqrt!(-z))
else
sqrt!(z)
end end
else else
if z.imag < 0 if z.imag < 0