Mega Code Archive

 

Categories / Ruby / Number

 

How to perform modulo (%), power (), and equality (== or =)

require 'rational' require 'mathn' rat = Rational(25/100) # => 1/4 -- lowest terms rat % Rational(1/2) # => 1/4 -- modulo or remainder rat**2 # => 1/16 -- exponent or power rat == 1/8 # => false -- equality rat == 1/4 # => true rat <=> 1/4 # => 0 rat <=> 1/8 # => 1 rat <=> 1/2 # => -1