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Class: Date::Infinity

Do not use. This class is for internal use only.
Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, Numeric
Instance Chain:
self, Numeric
Inherits: Numeric
Defined in: ext/date/lib/date.rb

Class Method Summary

Instance Method Summary

Constructor Details

.new(d = 1) ⇒ Infinity

[ GitHub ] 

  


# File 'ext/date/lib/date.rb', line 15



def initialize(d=1) @d = d <=> 0 end


  







Instance Method Details



  

    #+@  
  

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# File 'ext/date/lib/date.rb', line 29



def +@() self.class.new(+d) end


  








  

    #-@  
  

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# File 'ext/date/lib/date.rb', line 28



def -@() self.class.new(-d) end


  








  

    #<=>(other)  
  

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# File 'ext/date/lib/date.rb', line 31



def <=>(other)
  case other
  when Infinity; return d <=> other.d
  when Float::INFINITY; return d <=> 1
  when -Float::INFINITY; return d <=> -1
  when Numeric; return d
  else
    begin
      l, r = other.coerce(self)
      return l <=> r
    rescue NoMethodError
    end
  end
  nil
end


  








  

    #abs  
  

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# File 'ext/date/lib/date.rb', line 26



def abs() self.class.new end


  








  

    #coerce(other)  
  

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# File 'ext/date/lib/date.rb', line 47



def coerce(other)
  case other
  when Numeric; return -d, d
  else
    super
  end
end


  








  

    #d   (protected)
  

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# File 'ext/date/lib/date.rb', line 17



def d() @d end


  








  

    #finite?  ⇒ Boolean 
  



  

    
  





  


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# File 'ext/date/lib/date.rb', line 22



def finite?() false end


  








  

    #infinite?  ⇒ Boolean 
  



  

    
  





  


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# File 'ext/date/lib/date.rb', line 23



def infinite?() d.nonzero? end


  








  

    #nan?  ⇒ Boolean 
  



  

    
  





  


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# File 'ext/date/lib/date.rb', line 24



def nan?() d.zero? end


  








  

    #to_f  
  

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# File 'ext/date/lib/date.rb', line 55



def to_f
  return 0 if @d == 0
  if @d > 0
    Float::INFINITY
  else
    -Float::INFINITY
  end
end


  








  

    #zero?  ⇒ Boolean 
  



  

    
  





  


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# File 'ext/date/lib/date.rb', line 21



def zero?() false end