jwo.utils.expression
Class MathToken

java.lang.Object
  jwo.utils.expression.MathToken

public final class MathToken

extends Object

Stores an enumerated list of tokens that may be parsed by the MathParser. Includes arithmetical, trig operators, variable substitution and parenthases. Modified from original code described at www.devx.com/premier/mgznarch/javapro/2001/05may01/ps0105/ps0105.asp.

Version:

2.1, 16th February, 2001, modified 4th August, 2004.

Author:

Daniel Savarese, modified by Jo Wood.

Field Summary

static String	LEX_ACOS
static String	LEX_ADD
static String	LEX_ASIN
static String	LEX_ATAN
static String	LEX_CLOSE_PAREN
static String	LEX_COS
static String	LEX_DIVIDE
static String	LEX_E
static String	LEX_EXPONENT
static String	LEX_GAUSS
static String	LEX_LN
static String	LEX_MULTIPLY
static String	LEX_OPEN_PAREN
static String	LEX_PI
static String	LEX_RAND
static String	LEX_SIN
static String	LEX_SQRT
static String	LEX_SUBTRACT
static String	LEX_TAN
static String	LEX_X
static String	LEX_Y
static String	LEX_Z1
static String	LEX_Z2
static MathToken	TOK_ADDITIVE
static MathToken	TOK_CLOSE_PAREN
static MathToken	TOK_EXPONENT
static MathToken	TOK_FUNC
static MathToken	TOK_MULTIPLICATIVE
static MathToken	TOK_NUMBER
static MathToken	TOK_OPEN_PAREN
static MathToken	TOK_VARIABLE
static Object[][]	TOKENS

Constructor Summary

MathToken()

Methods inherited from class java.lang.Object

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

Field Detail

LEX_ADD

public static final String LEX_ADD

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Constant Field Values

LEX_SUBTRACT

public static final String LEX_SUBTRACT

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Constant Field Values

LEX_MULTIPLY

public static final String LEX_MULTIPLY

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Constant Field Values

LEX_DIVIDE

public static final String LEX_DIVIDE

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Constant Field Values

LEX_EXPONENT

public static final String LEX_EXPONENT

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Constant Field Values

LEX_SIN

public static final String LEX_SIN

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Constant Field Values

LEX_COS

public static final String LEX_COS

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Constant Field Values

LEX_TAN

public static final String LEX_TAN

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Constant Field Values

LEX_ASIN

public static final String LEX_ASIN

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Constant Field Values

LEX_ACOS

public static final String LEX_ACOS

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Constant Field Values

LEX_ATAN

public static final String LEX_ATAN

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Constant Field Values

LEX_SQRT

public static final String LEX_SQRT

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Constant Field Values

LEX_LN

public static final String LEX_LN

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Constant Field Values

LEX_Z1

public static final String LEX_Z1

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Constant Field Values

LEX_Z2

public static final String LEX_Z2

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Constant Field Values

LEX_X

public static final String LEX_X

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Constant Field Values

LEX_Y

public static final String LEX_Y

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Constant Field Values

LEX_PI

public static final String LEX_PI

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Constant Field Values

LEX_E

public static final String LEX_E

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Constant Field Values

LEX_RAND

public static final String LEX_RAND

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Constant Field Values

LEX_GAUSS

public static final String LEX_GAUSS

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Constant Field Values

LEX_OPEN_PAREN

public static final String LEX_OPEN_PAREN

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Constant Field Values

LEX_CLOSE_PAREN

public static final String LEX_CLOSE_PAREN

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Constant Field Values

TOK_OPEN_PAREN

public static final MathToken TOK_OPEN_PAREN

TOK_CLOSE_PAREN

public static final MathToken TOK_CLOSE_PAREN

TOK_ADDITIVE

public static final MathToken TOK_ADDITIVE

TOK_MULTIPLICATIVE

public static final MathToken TOK_MULTIPLICATIVE

TOK_EXPONENT

public static final MathToken TOK_EXPONENT

TOK_NUMBER

public static final MathToken TOK_NUMBER

TOK_FUNC

public static final MathToken TOK_FUNC

TOK_VARIABLE

public static final MathToken TOK_VARIABLE

TOKENS

public static final Object[][] TOKENS

Constructor Detail

MathToken

public MathToken()