Method Detail

• mul

  public PNodeI mul(PNodeI node)
             throws ParseException

  Description copied from interface: PNodeI
  Multiplies this by the argument.

  Specified by:

  mul in interface PNodeI

  Overrides:

  mul in class AbstractPNode

  Throws:

  ParseException

• div

  public PNodeI div(PNodeI node)
             throws ParseException

  Description copied from interface: PNodeI
  Divides this by the argument.

  Specified by:

  div in interface PNodeI

  Overrides:

  div in class AbstractPNode

  Throws:

  ParseException

• pow

  public PNodeI pow(PNodeI pow)
             throws ParseException

  Description copied from interface: PNodeI
  Raise this to the argument.

  Specified by:

  pow in interface PNodeI

  Overrides:

  pow in class AbstractPNode

  Throws:

  ParseException

• negate

  public PNodeI negate()
                throws ParseException

  Description copied from interface: PNodeI
  negates node i.e. -x

  Specified by:

  negate in interface PNodeI

  Overrides:

  negate in class AbstractPNode

  Throws:

  ParseException

• invert

  public PNodeI invert()
                throws ParseException

  Description copied from interface: PNodeI
  inverts node i.e. 1/x

  Specified by:

  invert in interface PNodeI

  Overrides:

  invert in class AbstractPNode

  Throws:

  ParseException

• add

  public PNodeI add(PNodeI node)
             throws ParseException

  Description copied from interface: PNodeI
  Adds a node to this one.

  Specified by:

  add in interface PNodeI

  Overrides:

  add in class AbstractPNode

  Throws:

  ParseException

• sub

  public PNodeI sub(PNodeI node)
             throws ParseException

  Description copied from interface: PNodeI
  Subtracts the argument from this.

  Specified by:

  sub in interface PNodeI

  Overrides:

  sub in class AbstractPNode

  Throws:

  ParseException

• equals

  public boolean equals(PNodeI node)

  Description copied from interface: PNodeI
  True is nodes represent the same parse trees

  Specified by:

  equals in interface PNodeI

  Overrides:

  equals in class AbstractPNode

• compareTo

  public int compareTo(PNodeI node)

  Compare this to argument. x < y 2 x < 3 x x < x^2 x^2 < x^3 x < x y TODO x y < x^2

  Specified by:

  compareTo in interface PNodeI

  Overrides:

  compareTo in class AbstractPNode

  Returns:

  this < arg ---> -1, this > arg ---> 1

• toString

  public String toString()

  Description copied from interface: PNodeI
  Produces a string representation of the argument.

  Specified by:

  toString in interface PNodeI

  Overrides:

  toString in class Object

• toNode

  public Node toNode()
              throws ParseException

  Description copied from interface: PNodeI
  Converts the node to standard JEP format.

  Throws:

  ParseException

• expand

  public PNodeI expand()
                throws ParseException

  Description copied from interface: PNodeI
  complete expansion. (1+x)^2 --> 1+2*x+x^2

  Throws:

  ParseException