org.matheclipse.core.reflection.system

Class Abs

java.lang.Object

org.matheclipse.core.eval.interfaces.AbstractEvaluator

org.matheclipse.core.eval.interfaces.AbstractFunctionEvaluator

org.matheclipse.core.eval.interfaces.AbstractArg1

org.matheclipse.core.eval.interfaces.AbstractTrigArg1

org.matheclipse.core.reflection.system.Abs

All Implemented Interfaces:

IFunctionEvaluator, INumeric, IEvaluator, AbsRules

public class Abs
extends AbstractTrigArg1
implements INumeric, AbsRules

Absolute value of a number. See Wikipedia:Absolute value

Field Summary

Fields inherited from interface org.matheclipse.core.reflection.system.rules.AbsRules

RULES, SIZES

Constructor Summary

Constructors

Constructor and Description
Abs()

Method Summary

Modifier and Type	Method and Description
IExpr	e1ApcomplexArg(org.apfloat.Apcomplex arg1)
IExpr	e1ApfloatArg(org.apfloat.Apfloat arg1)
IExpr	e1ComplexArg(org.apache.commons.math4.complex.Complex arg1)
IExpr	e1DblArg(double arg1)
double	evalReal(double[] stack, int top, int size) Evaluate the function to a double number
IExpr	evaluateArg1(IExpr arg1)
IAST	getRuleAST() Get the predefined rules for this function symbol.
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

Methods inherited from class org.matheclipse.core.eval.interfaces.AbstractArg1

e1ComArg, e1FraArg, e1FunArg, e1IntArg, e1ObjArg, e1SymArg

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

createRuleFromMethod, getNormalizedNegativeExpression, getNormalizedNegativeExpression, getPeriodicParts, getPureImaginaryPart, initSerializedRules, isNegativeExpression

Methods inherited from class java.lang.Object

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

Constructor Detail

Abs

public Abs()

Method Detail

getRuleAST

public IAST getRuleAST()

Description copied from class: AbstractFunctionEvaluator

Get the predefined rules for this function symbol.

Overrides:

getRuleAST in class AbstractFunctionEvaluator

Returns:

null if no rules are defined

evalReal

public double evalReal(double[] stack,
                       int top,
                       int size)

Description copied from interface: INumeric

Evaluate the function to a double number

Specified by:

evalReal in interface INumeric

Returns:

See Also:

DoubleStackEvaluator

evaluateArg1

public IExpr evaluateArg1(IExpr arg1)

Overrides:

evaluateArg1 in class AbstractTrigArg1

e1DblArg

public IExpr e1DblArg(double arg1)

Overrides:

e1DblArg in class AbstractTrigArg1

e1ComplexArg

public IExpr e1ComplexArg(org.apache.commons.math4.complex.Complex arg1)

Overrides:

e1ComplexArg in class AbstractTrigArg1

e1ApfloatArg

public IExpr e1ApfloatArg(org.apfloat.Apfloat arg1)

Overrides:

e1ApfloatArg in class AbstractArg1

e1ApcomplexArg

public IExpr e1ApcomplexArg(org.apfloat.Apcomplex arg1)

Overrides:

e1ApcomplexArg in class AbstractArg1

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