Package com.graphbuilder.math

Class SubNode

java.lang.Object

com.graphbuilder.math.Expression

com.graphbuilder.math.OpNode

com.graphbuilder.math.SubNode

public class SubNode
extends OpNode

A node of an expression tree, represented by the symbol "-".

Field Summary

Fields inherited from class com.graphbuilder.math.OpNode

leftChild, rightChild

Fields inherited from class com.graphbuilder.math.Expression

parent

Constructor Summary

Constructors

Constructor	Description
SubNode(Expression leftChild, Expression rightChild)

Method Summary

Modifier and Type	Method	Description
double	eval(VarMap v, FuncMap f)	Subtracts the evaluation of the right side from the evaluation of the left side and returns the result.
String	getSymbol()	Returns the text symbol that represents the operation.

Methods inherited from class com.graphbuilder.math.OpNode

getLeftChild, getRightChild, setLeftChild, setRightChild

Methods inherited from class com.graphbuilder.math.Expression

checkBeforeAccept, getFunctionNames, getParent, getVariableNames, isDescendent, toString

Methods inherited from class java.lang.Object

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

Constructor Details

SubNode

public SubNode(Expression leftChild,
 Expression rightChild)

Method Details

eval

public double eval(VarMap v,
 FuncMap f)

Subtracts the evaluation of the right side from the evaluation of the left side and returns the result.

Specified by:

eval in class Expression

getSymbol

public String getSymbol()

Description copied from class: OpNode

Returns the text symbol that represents the operation.

Specified by:

getSymbol in class OpNode