org.lsmp.djep.matrixJep
Class MatrixEvaluator

java.lang.Object
  org.lsmp.djep.matrixJep.MatrixEvaluator

All Implemented Interfaces:

EvaluatorI, ParserVisitor

public class MatrixEvaluator
extends Object
implements ParserVisitor, EvaluatorI

This visitor evaluates a the tree representing the equation.

Since:

2.3.2 Hack so comparative operations work with vectors and matrices.

Author:

Rich Morris Created on 30-Oct-2003

Constructor Summary

MatrixEvaluator()

Method Summary

Object	eval(Node node) Evaluates a node and returns and object with the value of the node.
MatrixValueI	evaluate(MatrixNodeI node, MatrixJep mj)
Object	visit(ASTConstant node, Object data) constants
Object	visit(ASTFunNode node, Object data) other functions
Object	visit(ASTStart node, Object data)
Object	visit(ASTVarNode node, Object data) multi dimensional differentiable variables
Object	visit(SimpleNode node, Object data)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MatrixEvaluator

public MatrixEvaluator()

Method Detail

evaluate

public MatrixValueI evaluate(MatrixNodeI node,
                             MatrixJep mj)
                      throws ParseException

Throws:

ParseException

eval

public Object eval(Node node)
            throws ParseException

Description copied from interface: EvaluatorI

Evaluates a node and returns and object with the value of the node.

Specified by:

eval in interface EvaluatorI

Throws:

ParseException - if errors occur during evaluation;

visit

public Object visit(SimpleNode node,
                    Object data)

Specified by:

visit in interface ParserVisitor

visit

public Object visit(ASTStart node,
                    Object data)

Specified by:

visit in interface ParserVisitor

visit

public Object visit(ASTConstant node,
                    Object data)

constants

Specified by:

visit in interface ParserVisitor

visit

public Object visit(ASTVarNode node,
                    Object data)
             throws ParseException

multi dimensional differentiable variables

Specified by:

visit in interface ParserVisitor

Throws:

ParseException

visit

public Object visit(ASTFunNode node,
                    Object data)
             throws ParseException

other functions

Specified by:

visit in interface ParserVisitor

Throws:

ParseException