Class: Date::Infinity

Inherits:
Numeric show all
Includes:
Comparable
Defined in:
lib/date.rb

Overview

:nodoc:

Instance Method Summary collapse

Methods included from Comparable

#<, #<=, #==, #>, #>=, #between?

Methods inherited from Numeric

#div, #divmod, #floor, #integer?, #modulo, #nonzero?, #remainder

Constructor Details

#initialize(d = 1) ⇒ Infinity

Returns a new instance of Infinity.



264
 
# File 'lib/date.rb', line 264

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

Instance Method Details

#<=>(other) ⇒ Object

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

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



280
281
282
283
284
285
286
287
288
289
290
291
292
 
# File 'lib/date.rb', line 280

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

#abs ⇒ Object 



275
 
# File 'lib/date.rb', line 275

def abs() self.class.new end

#coerce(other) ⇒ Object 



294
295
296
297
298
299
300
 
# File 'lib/date.rb', line 294

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

#finite? ⇒ Boolean

Returns:

  • (Boolean) 


271
 
# File 'lib/date.rb', line 271

def finite? () false end

#infinite? ⇒ Boolean

Returns:

  • (Boolean) 


272
 
# File 'lib/date.rb', line 272

def infinite? () d.nonzero? end

#nan? ⇒ Boolean

Returns:

  • (Boolean) 


273
 
# File 'lib/date.rb', line 273

def nan? () d.zero? end

#zero? ⇒ Boolean

Returns:

  • (Boolean) 


270
 
# File 'lib/date.rb', line 270

def zero? () false end