jwo.utils.expression
Class MathOperator

java.lang.Object
  jwo.utils.expression.MathOperator

public final class MathOperator

extends Object

Stores an enumerated list of operators that may be parsed by the MathParser. Modified from original code described at www.devx.com/premier/mgznarch/javapro/2001/05may01/ps0105/ps0105.asp.

Version:

2.1, 14th February, 2001, modified 5th August, 2004.

Author:

Daniel Savarese, modified by Jo Wood.

Field Summary

static MathOperator	ACOS
static MathOperator	ADD
static MathOperator	ASIN
static MathOperator	ATAN
static MathOperator	COS
static MathOperator	DIVIDE
static MathOperator	E
static MathOperator	EXPONENT
static MathOperator	GAUSS
static MathOperator	LN
static MathOperator	MULTIPLY
static MathOperator	PI
static MathOperator	RAND
static MathOperator	SIN
static MathOperator	SQRT
static MathOperator	SUBTRACT
static MathOperator	TAN
static MathOperator	X
static MathOperator	Y
static MathOperator	Z1
static MathOperator	Z2

Constructor Summary

MathOperator()

Method Summary

static MathOperator	getOperator(Object token) Retrieves the operator matching the given type.
String	toString() Reports a string representation of this operator.

Methods inherited from class java.lang.Object

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

Field Detail

ADD

public static final MathOperator ADD

SUBTRACT

public static final MathOperator SUBTRACT

MULTIPLY

public static final MathOperator MULTIPLY

DIVIDE

public static final MathOperator DIVIDE

EXPONENT

public static final MathOperator EXPONENT

SIN

public static final MathOperator SIN

COS

public static final MathOperator COS

TAN

public static final MathOperator TAN

ASIN

public static final MathOperator ASIN

ACOS

public static final MathOperator ACOS

ATAN

public static final MathOperator ATAN

SQRT

public static final MathOperator SQRT

LN

public static final MathOperator LN

RAND

public static final MathOperator RAND

GAUSS

public static final MathOperator GAUSS

Z1

public static final MathOperator Z1

Z2

public static final MathOperator Z2

X

public static final MathOperator X

Y

public static final MathOperator Y

PI

public static final MathOperator PI

E

public static final MathOperator E

Constructor Detail

MathOperator

public MathOperator()

Method Detail

getOperator

public static final MathOperator getOperator(Object token)

Retrieves the operator matching the given type.

Parameters:

token - Type of operator to retrieve.

Returns:

Matched operator.

toString

public String toString()

Reports a string representation of this operator.

Returns:

String representation of this operator.