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merges r20646 and r20647 from trunk into ruby_1_9_1.

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

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@20703 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
yugui 2008-12-13 01:03:25 +00:00
parent 8f8000beee
commit 2adcc421f3
2 changed files with 7 additions and 3 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Thu Dec 11 23:48:00 2008 Tadayoshi Funaba <tadf@dotrb.org>
* lib/cmath.rb (sqrt): should pass nan to the original method.
Thu Dec 11 19:31:45 2008 Tanaka Akira <akr@fsij.org>
* lib/test/unit/assertions.rb: extracted from lib/test/unit.rb.

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