Method Detail

• getZERO

  Number getZERO()

  Returns the identity element under +

• getInverse

  Number getInverse(Number num)

  Get Inverse of a number

• add

  Number add(Number a,
             Number b)

  Get sum of the numbers

• sub

  Number sub(Number a,
             Number b)

  Get the difference of the numbers. i.e. a + (-b)

• equals

  boolean equals(Number a,
                 Number b)

  whether two numbers are equal

• valueOf

  Number valueOf(String s)

  returns number given by the string

• getNumberFactory

  NumberFactory getNumberFactory()

  returns a number factory for creating group elements from strings. Most groups which are subclasses of Group do not need to implement this method.

• addStandardConstants

  void addStandardConstants(JEP j)

  adds the standard constants for this group

• addStandardFunctions

  void addStandardFunctions(JEP j)

  adds the standard function for this group

• isConstantPoly

  boolean isConstantPoly(Number a)

  For groups like rings of polynomials this determins if a given element is a constant polynomial.