Class: Bignum

Inherits:
Object
  • Object
show all
Includes:
SGML
Defined in:
lib/m500.rb

Instance Method Summary collapse

Methods included from SGML

#sgml_id, #tog_sgml_id

Instance Method Details

#coerce(other) ⇒ Object 



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# File 'lib/m500.rb', line 429

def coerce(other)
  if Natural === other or Counting === other or Zahlen === other  or Quotient === other or Fraction === other
    [other,self]
  else
    super
  end
end

#is_0? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/m500.rb', line 399

def is_0?
  self === 0 ? true : false
end

#quo(other) ⇒ Object Also known as: rdiv 



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# File 'lib/m500.rb', line 385

def quo(other)
  Fraction.new!(self,1) / other
end

#rpower(other) ⇒ Object 



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# File 'lib/m500.rb', line 389

def rpower (other)
  if other >= 0
    self.power!(other)
  else
    Fraction.new!(self, 1)**other
  end
end

#to_Dec ⇒ Object 



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# File 'lib/m500.rb', line 417

def to_Dec
  Decimal(self,0)
end

#to_Frac ⇒ Object 



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# File 'lib/m500.rb', line 411

def to_Frac
  Fraction(self,Quotient(1,1))
end

#to_K ⇒ Object 



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# File 'lib/m500.rb', line 423

def to_K
  Kettenbruch(self.to_Frac)
end

#to_N ⇒ Object 



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# File 'lib/m500.rb', line 402

def to_N
  self < 0 ? Natural(self) : emptySet
end

#to_N0 ⇒ Object 



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# File 'lib/m500.rb', line 405

def to_N0
  self <= 0 ? Counting(self) : emptySet
end

#to_Q ⇒ Object 



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# File 'lib/m500.rb', line 414

def to_Q
  Quotient(self,1)
end

#to_R ⇒ Object 



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# File 'lib/m500.rb', line 426

def to_R
  naught
end

#to_sgml ⇒ Object 



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# File 'lib/m500.rb', line 378

def to_sgml
  "<mn #{sgml_id}class='rational'>#{self.to_s}</mn>"
end

#to_Sig ⇒ Object 



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# File 'lib/m500.rb', line 420

def to_Sig
  Sigma(self.to_Q)
end

#to_Z ⇒ Object 



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# File 'lib/m500.rb', line 408

def to_Z
  Zahlen(self)
end