org.matheclipse.core.reflection.system

Class Factorial

java.lang.Object

org.matheclipse.core.eval.interfaces.AbstractFunctionEvaluator

org.matheclipse.core.eval.interfaces.AbstractTrigArg1

org.matheclipse.core.reflection.system.Factorial

All Implemented Interfaces:

IFunctionEvaluator, IEvaluator

public class Factorial
extends AbstractTrigArg1

Returns the factorial of an integer n See Factorial

Constructor Summary

Constructors

Constructor and Description
Factorial()

Method Summary

Modifier and Type	Method and Description
IExpr	evaluateArg1(IExpr arg1)
static java.math.BigInteger	factorial(java.math.BigInteger biggi)
IExpr	numericEvalD1(Num arg1) Evaluate this function for one double argument
IExpr	numericEvalDC1(ComplexNum arg1) Evaluate this function for one double complex argument
void	setUp(ISymbol symbol) Evaluate built-in rules and define Attributes for a function.

Methods inherited from class org.matheclipse.core.eval.interfaces.AbstractTrigArg1

evaluate, numericEval, numericEvalArg1

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

createRuleFromMethod, getPeriodicParts, getPureImaginaryPart, getRuleAST, isNegativeExpression

Methods inherited from class java.lang.Object

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

Constructor Detail

Factorial

public Factorial()

Method Detail

numericEvalD1

public IExpr numericEvalD1(Num arg1)

Description copied from class: AbstractTrigArg1

Evaluate this function for one double argument

Overrides:

numericEvalD1 in class AbstractTrigArg1

Parameters:

arg1 - a double number

Returns:

numericEvalDC1

public IExpr numericEvalDC1(ComplexNum arg1)

Description copied from class: AbstractTrigArg1

Evaluate this function for one double complex argument

Overrides:

numericEvalDC1 in class AbstractTrigArg1

Parameters:

arg1 - a double complex number

Returns:

factorial

public static java.math.BigInteger factorial(java.math.BigInteger biggi)

evaluateArg1

public IExpr evaluateArg1(IExpr arg1)

Overrides:

evaluateArg1 in class AbstractTrigArg1

setUp

public void setUp(ISymbol symbol)
           throws SyntaxError

Description copied from class: AbstractFunctionEvaluator

Evaluate built-in rules and define Attributes for a function.

Specified by:

setUp in interface IEvaluator

Overrides:

setUp in class AbstractFunctionEvaluator

Parameters:

symbol - the symbol which should be set up

Throws:

SyntaxError