Class: HpSqrt::Term

Inherits:
Object
  • Object
show all
Defined in:
lib/hpsqrt/term.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(number: 1, sqrt: 1) ⇒ Term 



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# File 'lib/hpsqrt/term.rb', line 7

def initialize(number: 1, sqrt: 1)
  unless Numeric===number
    raise TypeError, "can't convert %s into %s: %s" % [number.class.name, self.class.name, number.inspect]
  end
  unless Numeric===sqrt
    raise TypeError, "can't convert %s into %s: %s" % [sqrt.class.name, self.class.name, sqrt.inspect]
  end

  @number = number
  @sqrt = sqrt
  freeze
end

Instance Attribute Details

#number ⇒ Object (readonly)

Returns the value of attribute number.



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# File 'lib/hpsqrt/term.rb', line 4

def number
  @number
end

#sqrt ⇒ Object (readonly)

Returns the value of attribute sqrt.



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# File 'lib/hpsqrt/term.rb', line 5

def sqrt
  @sqrt
end

Instance Method Details

#*(other) ⇒ Object 



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# File 'lib/hpsqrt/term.rb', line 20

def *(other)
  if self.class===other
    n = @number * other.number
    s = 1
    if @sqrt==other.sqrt
      n *= @sqrt
    else
      s = @sqrt * other.sqrt
    end

    self.class.new(number: n, sqrt: s)
  end
end

#eql?(other) ⇒ Boolean 



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# File 'lib/hpsqrt/term.rb', line 34

def eql?(other)
  self.class===other && @number==other.number && @sqrt==other.sqrt
end

#hash ⇒ Object 



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# File 'lib/hpsqrt/term.rb', line 38

def hash
  [@number, @sqrt].hash
end