org.matheclipse.core.eval.interfaces

Class AbstractSymbolEvaluator

java.lang.Object

org.matheclipse.core.eval.interfaces.AbstractSymbolEvaluator

All Implemented Interfaces:

ISymbolEvaluator, IEvaluator

Direct Known Subclasses:

Catalan, ComplexInfinity, Degree, E, EulerGamma, Glaisher, GoldenRatio, I, Infinity, Khinchin, Pi

public abstract class AbstractSymbolEvaluator
extends java.lang.Object
implements ISymbolEvaluator

Constructor Summary

Constructors

Constructor and Description
AbstractSymbolEvaluator()

Method Summary

Modifier and Type	Method and Description
IExpr	apfloatEval(ISymbol symbol, EvalEngine engine) Numerical evaluation of a symbol
IExpr	evaluate(ISymbol symbol) Symbolic evaluation of a symbol
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 java.lang.Object

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

Constructor Detail

AbstractSymbolEvaluator

public AbstractSymbolEvaluator()

Method Detail

evaluate

public IExpr evaluate(ISymbol symbol)

Description copied from interface: ISymbolEvaluator

Symbolic evaluation of a symbol

Specified by:

evaluate in interface ISymbolEvaluator

Parameters:

symbol - the symbol which should be evaluated

Returns:

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

numericEval

public IExpr numericEval(ISymbol symbol)

Description copied from interface: ISymbolEvaluator

Numerical evaluation of a symbol

Specified by:

numericEval in interface ISymbolEvaluator

Parameters:

symbol - the symbol which should be evaluated

Returns:

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

apfloatEval

public IExpr apfloatEval(ISymbol symbol,
                         EvalEngine engine)

Description copied from interface: ISymbolEvaluator

Numerical evaluation of a symbol

Specified by:

apfloatEval in interface ISymbolEvaluator

Parameters:

symbol - the symbol which should be evaluated

engine - TODO

Returns:

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

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

Parameters:

symbol - the symbol which should be set up