Rational Number for Ruby 1.8

     Shin-ichiro HARA
     sinara@blade.nagaokaut.ac.jp

  The Extension Library of Rational compatible with rational.rb.


Requirements
------------

  * ruby-1.8

Installation
------------

  Enter its top directory of the package. Then type:

    $ ruby extconf.rb
    $ make
    $ make test
    $ make install

UnInstallation
--------------

    $ make uninstall


Class and Methods
-----------------

Class:
  Rational < Numeric

Functions
  Rational(x)           x: Integer, String, Float
  Rational(a, b)        a, b: Integer

Methods:
  Rational.new(a, b)

  Rational#to_s
  Rational#numerator
  Rational#denominator
  Rational#==
  Rational#<=>
  Rational#*
  Rational#/
  Rational#+
  Rational#-
  Rational#**
  Rational#-@
  Rational#%
  Rational#div
  Rational#divmod
  Rational#coerce
  Rational#to_i
  Rational#to_r
  Rational#to_f
  Rational#abs
  Rational#floor
  Rational#ceil
  Rational#round
  Rational#truncate
  Rational#hash
  Rational#integer?
  Rational#zero?
  Rational#nonzero?
  Rational#unity?
  Rational#new!
  Rational#zero
  Rational#unity
  Rational#inverse

  Rational#gcd
  Rational#lcm
  Rational#gcdlcm
  Rational#rationalize

  Integer#gcd
  Integer#lcm
  Integer#gcdlcm
  Integerl#quo
  Integer#rdiv
  Integer#to_r
  Integer#rationalize

  Float#decode
  Float#to_r
  Float#rationalize

  String#to_r
  String#rationalize

Constants:
  Rational::ZERO
  Rational::UNITY


License
-------

  Ruby's (see http://www.ruby-lang.org/en/LICENSE.txt)