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example.rb
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example.rb
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require 'rational2'
r = Rational2::Rational.new(1, 2)
puts("Object: #{r.inspect}")
puts("Numerator: #{r.numerator}")
puts("Denominator: #{r.denominator}")
puts("Value: #{r.value}")
puts("Quotient: #{r.quotient}")
puts("Remainder: #{r.remainder}")
puts
a = Rational2::Rational.new(1, 2)
b = Rational2::Rational.new(a)
c = 0
puts("Initial: a = #{a}; b = #{b}")
a += 1
b = 2 - b
puts("Final: a = #{a}; b = #{b}")
puts
puts("Initial: a = #{a}; b = #{b}")
a = r / b
b = a * r
puts("Final: a = #{a}; b = #{b}")
puts
puts("Initial: a = #{a}; c = #{c}")
a **= 2
c = 2 ** b.value
puts("Final: a = #{a}; c = #{c}")
puts
d = Rational2::Rational.new(a - b)
puts("Initial: #{d}")
puts("Absolute value: #{d.abs}")
puts("Additive inverse: #{-d}")
puts("Multiplicative inverse: #{~d}")
puts("\n")
s = 0
(1...10).step(1) do |i|
s += Rational2::Rational.new(1, i)
end
puts("s = #{s} = #{s.value}")
p = 1
(1...10).step(1) do |i|
p *= Rational2::Rational.new(1, i)
end
puts("p = #{p} = #{p.value}")
puts
puts("#{s} < #{p} : #{s < p}")
puts("#{s} <= #{p} : #{s <= p}")
puts("#{s} == #{p} : #{s == p}")
puts("#{s} != #{p} : #{s != p}")
puts("#{s} >= #{p} : #{s >= p}")
puts("#{s} > #{p} : #{s > p}")