org.matheclipse.core.expression

Class MethodSymbol

java.lang.Object

org.matheclipse.core.expression.ExprImpl

org.matheclipse.core.expression.Symbol

org.matheclipse.core.expression.MethodSymbol

All Implemented Interfaces:

AbelianGroupElem<IExpr>, Element<IExpr>, MonoidElem<IExpr>, RingElem<IExpr>, java.io.Serializable, java.lang.Comparable<IExpr>, IExpr, ISymbol

public class MethodSymbol
extends Symbol

Implements Symbols for function, constant and variable names

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.matheclipse.core.interfaces.ISymbol

CONSOLE_OUTPUT, CONSTANT, DEFAULT_RULE_PRIORITY, FLAT, FLATORDERLESS, HOLDALL, HOLDFIRST, HOLDREST, LISTABLE, NHOLDALL, NHOLDFIRST, NHOLDREST, NOATTRIBUTE, NUMERICFUNCTION, ONEIDENTITY, ORDERLESS, PACKAGE_LOADED

Fields inherited from interface org.matheclipse.core.interfaces.IExpr

ASTID, COMPLEXID, DOUBLECOMPLEXID, DOUBLEID, FRACTIONID, INTEGERID, METHODSYMBOLID, PATTERNID, STRINGID, SYMBOLID

Constructor Summary

Constructors

Constructor and Description
MethodSymbol(java.lang.String symbolName, java.lang.String classname, java.lang.String methodname)
MethodSymbol(java.lang.String symbolName, java.lang.String packagename, java.lang.String classname, java.lang.String methodname)

Method Summary

Modifier and Type	Method and Description
int	compareTo(IExpr obj) Compares this expression with the specified expression for order.
boolean	equals(java.lang.Object obj) Test if this is equal to b.
int	hashCode() Hashcode of this Element.
ISymbol	head() If this object is an instance of IAST get the first element (offset 0) of the IAST list (i.e.
int	hierarchy() A unique integer ID for the implementation of this expression
IExpr	invoke(IAST args) Invoke the static method represented by this object
boolean	isFalse() Test if this expression equals the symbol "False"
boolean	isTrue() Test if this expression equals the symbol "True"
java.lang.String	toString()

Methods inherited from class org.matheclipse.core.expression.Symbol

accept, accept, accept, apply, clear, clearAll, definition, definitionToString, evalDownRule, evaluate, evalUpRule, fullFormString, get, getAssignedValue, getAttributes, getDefaultValue, getDefaultValue, getEvaluator, getSymbol, hasLocalVariableStack, internalFormString, isAtom, isConstant, isNegative, isPositive, isString, isSymbolName, isValue, mapConstantDouble, negate, popLocalVariable, pushLocalVariable, pushLocalVariable, putDownRule, putDownRule, putDownRule, putUpRule, putUpRule, readSymbol, reassignSymbolValue, set, setAttributes, setDefaultValue, setDefaultValue, setEvaluator, variables2Slots, writeSymbol

Methods inherited from class org.matheclipse.core.expression.ExprImpl

abs, and, apply, asType, copy, divide, egcd, factory, gcd, getAt, inverse, isAnd, isArcCos, isArcCosh, isArcSin, isArcSinh, isArcTan, isArcTanh, isAST, isAST, isAST, isAST, isAST, isAST, isASTSizeGE, isComplex, isComplexInfinity, isComplexNumeric, isCondition, isCos, isCosh, isDirectedInfinity, isFlatAST, isFraction, isFree, isFree, isFunction, isGEOrdered, isGTOrdered, isInfinity, isInteger, isLEOrdered, isList, isListOfLists, isLog, isLTOrdered, isMatrix, isMember, isMember, isMinusOne, isModule, isNegativeInfinity, isNot, isNumber, isNumEqualInteger, isNumeric, isNumericFunction, isNumIntValue, isOne, isONE, isOr, isOrderlessAST, isPattern, isPatternExpr, isPatternSequence, isPlus, isPower, isRational, isRealFunction, isRuleAST, isSame, isSame, isSequence, isSignedNumber, isSin, isSinh, isSlot, isSlotSequence, isSymbol, isTan, isTanh, isTimes, isUnit, isVector, isZero, isZERO, leaves, minus, mod, multiply, negative, opposite, or, plus, power, power, remainder, replaceAll, replaceAll, replacePart, replaceRepeated, replaceRepeated, replaceRepeated, replaceSlots, signum, subtract, sum, times, topHead, toScript, toScriptFactory

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.matheclipse.core.interfaces.IExpr

and, apply, asType, getAt, inverse, isAnd, isArcCos, isArcCosh, isArcSin, isArcSinh, isArcTan, isArcTanh, isAST, isAST, isAST, isAST, isAST, isAST, isASTSizeGE, isComplex, isComplexInfinity, isComplexNumeric, isCondition, isCos, isCosh, isDirectedInfinity, isFlatAST, isFraction, isFree, isFree, isFunction, isGEOrdered, isGTOrdered, isInfinity, isInteger, isLEOrdered, isList, isListOfLists, isLog, isLTOrdered, isMatrix, isMember, isMember, isMinusOne, isModule, isNegativeInfinity, isNot, isNumber, isNumEqualInteger, isNumeric, isNumericFunction, isNumIntValue, isOne, isOr, isOrderlessAST, isPattern, isPatternExpr, isPatternSequence, isPlus, isPower, isRational, isRealFunction, isRuleAST, isSame, isSame, isSequence, isSignedNumber, isSin, isSinh, isSlot, isSlotSequence, isSymbol, isTan, isTanh, isTimes, isVector, isZero, leaves, minus, mod, multiply, negative, or, plus, power, power, replaceAll, replaceAll, replacePart, replaceRepeated, replaceRepeated, replaceSlots, signum, times, topHead

Methods inherited from interface edu.jas.structure.RingElem

egcd, gcd

Methods inherited from interface edu.jas.structure.AbelianGroupElem

abs, isZERO, subtract, sum

Methods inherited from interface edu.jas.structure.MonoidElem

divide, isONE, isUnit, remainder

Methods inherited from interface edu.jas.structure.Element

copy, factory, toScript, toScriptFactory

Constructor Detail

MethodSymbol

public MethodSymbol(java.lang.String symbolName,
                    java.lang.String packagename,
                    java.lang.String classname,
                    java.lang.String methodname)

MethodSymbol

public MethodSymbol(java.lang.String symbolName,
                    java.lang.String classname,
                    java.lang.String methodname)

Method Detail

invoke

public IExpr invoke(IAST args)

Invoke the static method represented by this object

Parameters:

args -

Returns:

Throws:

java.lang.Exception

equals

public boolean equals(java.lang.Object obj)

Test if this is equal to b.

Specified by:

equals in interface Element<IExpr>

Overrides:

equals in class Symbol

Returns:

true if this is equal to b, else false.

hashCode

public int hashCode()

Hashcode of this Element.

Specified by:

hashCode in interface Element<IExpr>

Overrides:

hashCode in class Symbol

Returns:

the hashCode.

hierarchy

public int hierarchy()

A unique integer ID for the implementation of this expression

Specified by:

hierarchy in interface IExpr

Overrides:

hierarchy in class Symbol

Returns:

a unique integer id for the implementation of this expression

compareTo

public int compareTo(IExpr obj)

Compares this expression with the specified expression for order. Returns a negative integer, zero, or a positive integer as this expression is canonical less than, equal to, or greater than the specified expression.

Specified by:

compareTo in interface Element<IExpr>

Specified by:

compareTo in interface java.lang.Comparable<IExpr>

Specified by:

compareTo in interface IExpr

Overrides:

compareTo in class Symbol

Returns:

0 if this is equal to b, -1 if this is less then b, else +1.

isTrue

public boolean isTrue()

Test if this expression equals the symbol "True"

Specified by:

isTrue in interface IExpr

Overrides:

isTrue in class Symbol

isFalse

public boolean isFalse()

Test if this expression equals the symbol "False"

Specified by:

isFalse in interface IExpr

Overrides:

isFalse in class Symbol

head

public ISymbol head()

If this object is an instance of IAST get the first element (offset 0) of the IAST list (i.e. get(0) ).

Specified by:

head in interface IExpr

Overrides:

head in class Symbol

Returns:

the head of the expression, which must not be null.

toString

public java.lang.String toString()

Overrides:

toString in class Symbol