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complex.c: [DOC] mention about Complex literal.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50043 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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gogotanaka 2015-03-21 12:32:09 +00:00
parent e458cf5233
commit 9f2922bdcd
1 changed files with 3 additions and 2 deletions
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complex.c
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@ -2088,9 +2088,10 @@ float_arg(VALUE self)
* and i is imaginary unit. Real a equals complex a+0i
* mathematically.
*
* In ruby, you can create complex object with Complex, Complex::rect,
* Complex::polar or to_c method.
* Complex object can be created as literal, and also by using
* Kernel#Complex, Complex::rect, Complex::polar or to_c method.
*
* 2+1i #=> (2+1i)
* Complex(1) #=> (1+0i)
* Complex(2, 3) #=> (2+3i)
* Complex.polar(2, 3) #=> (-1.9799849932008908+0.2822400161197344i)