org.matheclipse.core.builtin.constant

Class Catalan

java.lang.Object

org.matheclipse.core.eval.interfaces.AbstractSymbolEvaluator

org.matheclipse.core.builtin.constant.Catalan

All Implemented Interfaces:

ISignedNumberConstant, ISymbolEvaluator, IEvaluator

public class Catalan
extends AbstractSymbolEvaluator
implements ISignedNumberConstant

Catalan constant See: Wikipedia:Catalan's constant

Field Summary

Fields

Modifier and Type	Field and Description
static double	CATALAN

Constructor Summary

Constructors

Constructor and Description
Catalan()

Method Summary

Modifier and Type	Method and Description
double	evalReal() Evaluate the symbol to a double number
IExpr	numericEval(ISymbol symbol) Numerical evaluation of a symbol
void	setUp(ISymbol symbol) This method will be called every time a new ISymbol will be created.

Methods inherited from class org.matheclipse.core.eval.interfaces.AbstractSymbolEvaluator

apfloatEval, evaluate

Methods inherited from class java.lang.Object

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

Field Detail

CATALAN

public static final double CATALAN

See Also:

Constant Field Values

Constructor Detail

Catalan

public Catalan()

Method Detail

setUp

public void setUp(ISymbol symbol)

Description copied from interface: IEvaluator

This method will be called every time a new ISymbol will be created. In this method you can set ISymbol attributes or constants for the symbol

Specified by:

setUp in interface IEvaluator

Overrides:

setUp in class AbstractSymbolEvaluator

Parameters:

symbol - the symbol which should be set up

numericEval

public IExpr numericEval(ISymbol symbol)

Description copied from interface: ISymbolEvaluator

Numerical evaluation of a symbol

Specified by:

numericEval in interface ISymbolEvaluator

Overrides:

numericEval in class AbstractSymbolEvaluator

Parameters:

symbol - the symbol which should be evaluated

Returns:

the evaluated object or null, if evaluation isn't possible

evalReal

public double evalReal()

Description copied from interface: ISignedNumberConstant

Evaluate the symbol to a double number

Specified by:

evalReal in interface ISignedNumberConstant

Returns:

See Also:

DoubleStackEvaluator