Module: ThirdBase::CompatInstanceMethods

Included in:
Date, DateTime
Defined in:
lib/third_base/make_compat.rb

Overview

Compatibility instance methods for Date and DateTime, necessary because ruby doesn’t support multiple inheritance.

Instance Method Summary collapse

Instance Method Details

#ajd ⇒ Object

Returns the Astronomical Julian Date for this date (alias for jd)



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# File 'lib/third_base/make_compat.rb', line 208

def ajd
  jd
end

#amjd ⇒ Object Also known as: mjd

Returns the Astronomical Modified Julian Date for this date (jd plus an integer)



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# File 'lib/third_base/make_compat.rb', line 213

def amjd
  jd - MJD_JD
end

#gregorian ⇒ Object Also known as: england, julian, italy

Returns self.



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# File 'lib/third_base/make_compat.rb', line 219

def gregorian
  self
end

#gregorian? ⇒ Boolean Also known as: ns?

True, since the gregorian calendar is always used.

Returns:

  • (Boolean) 


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# File 'lib/third_base/make_compat.rb', line 227

def gregorian?
  true
end

#julian? ⇒ Boolean Also known as: os?

False, since the gregorian calendar is never used.

Returns:

  • (Boolean) 


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# File 'lib/third_base/make_compat.rb', line 233

def julian?
  false
end

#ld ⇒ Object

Returns the days since the date of the adoption of the gregorian calendar in Italy (substracts an integer from jd).



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# File 'lib/third_base/make_compat.rb', line 240

def ld
  jd - LD_JD
end

#mday ⇒ Object

Alias for day.



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# File 'lib/third_base/make_compat.rb', line 245

def mday
  day
end

#new_start(sg = nil) ⇒ Object Also known as: newsg

Returns self, ignores sg.



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# File 'lib/third_base/make_compat.rb', line 250

def new_start(sg=nil)
  self
end

#start ⇒ Object Also known as: sg

Returns 0, since the gregorian calendar is always used.



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# File 'lib/third_base/make_compat.rb', line 256

def start
  0
end