Bug #659: Math.lgamma not defined in -rcomplex
http://redmine.ruby-lang.org/issues/show/659
e$B5/I<<Te(B: Shyouhei U.
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e$BC4Ev<Te(B: Yukihiro M., e$B%+%F%4%je(B: lib
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% ruby -rcomplex -ve’p Math.lgamma(1)’
ruby 1.9.0 (2008-10-19 revision 17576) [x86_64-linux]
-e:1:in <main>': undefined method lgamma’ for CMath:Module
(NoMethodError)
% ~/target/trunk/bin/ruby -ve’p Math.lgamma(1)’
ruby 1.9.0 (2008-10-19 revision 17576) [x86_64-linux]
[0.0, 1]