jhelp.util.math.formal

Class ConstantsReferencesDefault

java.lang.Object

jhelp.util.math.formal.ConstantsReferencesDefault

All Implemented Interfaces:

ConstantsReferences

public class ConstantsReferencesDefault
extends java.lang.Object
implements ConstantsReferences

Default constant reference

Author:

JHelp

Field Summary

Fields

Modifier and Type	Field and Description
private static java.lang.String[]	SYMBOLS_NAMES Symbols name
private static int	SYMBOLS_NUMBER Actual number of symbol define
private static double[]	SYMBOLS_VALUES Value of symbols
private java.util.Hashtable<java.lang.String,java.lang.Double>	table Table of associate symbol<->value

Constructor Summary

Constructors

Constructor and Description
ConstantsReferencesDefault() Constructs an empty constant reference

Method Summary

Methods

Modifier and Type	Method and Description
Function	constantFunction(java.lang.String constant) Constant on function representation
void	defineConstant(java.lang.String nom, double valeur) Define a constant
static ConstantsReferences	getReferentielConstanteCourant() Create default constant reference
boolean	isConstantDefine(java.lang.String constant) Indicate if constants is define
double	obtainConstantValue(java.lang.String constant) Constant value

Methods inherited from class java.lang.Object

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

Field Detail

SYMBOLS_NAMES

private static final java.lang.String[] SYMBOLS_NAMES

Symbols name

SYMBOLS_NUMBER

private static final int SYMBOLS_NUMBER

Actual number of symbol define

SYMBOLS_VALUES

private static final double[] SYMBOLS_VALUES

Value of symbols

table

private final java.util.Hashtable<java.lang.String,java.lang.Double> table

Table of associate symbol<->value

Constructor Detail

ConstantsReferencesDefault

public ConstantsReferencesDefault()

Constructs an empty constant reference

Method Detail

getReferentielConstanteCourant

public static ConstantsReferences getReferentielConstanteCourant()

Create default constant reference

Returns:

Default constant reference

constantFunction

public Function constantFunction(java.lang.String constant)

Constant on function representation

Specified by:

constantFunction in interface ConstantsReferences

Parameters:

constant - Symbol

Returns:

Function representation

See Also:

ConstantsReferences.constantFunction(java.lang.String)

defineConstant

public void defineConstant(java.lang.String nom,
                  double valeur)

Define a constant

Specified by:

defineConstant in interface ConstantsReferences

Parameters:

nom - Constant name

valeur - Constant value

See Also:

ConstantsReferences.defineConstant(java.lang.String, double)

isConstantDefine

public boolean isConstantDefine(java.lang.String constant)

Indicate if constants is define

Specified by:

isConstantDefine in interface ConstantsReferences

Parameters:

constant - Symbol tested

Returns:

true if constants is definee

See Also:

ConstantsReferences.isConstantDefine(java.lang.String)

obtainConstantValue

public double obtainConstantValue(java.lang.String constant)

Constant value

Specified by:

obtainConstantValue in interface ConstantsReferences

Parameters:

constant - Symbol search

Returns:

Constant value

See Also:

ConstantsReferences.obtainConstantValue(java.lang.String)