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com.hartmath.expression
Interface HObject  

All Known Implementing Classes:

HComplex, HDouble, HDoubleComplex, HExpression, HFraction, HFunction, HInteger, HPattern

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public interface HObject

Interface that represents a math object: integer, fraction, complex, string, symbol, pattern, function,...

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Field Summary
static byte	COMPLEXFILEID           Description of the Field
static int	COMPLEXID           Description of the Field
static byte	DOUBLECOMPLEXFILEID           Description of the Field
static int	DOUBLECOMPLEXID           Description of the Field
static byte	DOUBLEFILEID           Description of the Field
static int	DOUBLEID           Description of the Field
static byte	FRACTIONFILEID           Description of the Field
static int	FRACTIONID           Description of the Field
static byte	FUNCTIONFILEID           Description of the Field
static int	FUNCTIONID           Description of the Field
static byte	INTEGERFILEID           Description of the Field
static int	INTEGERID           Description of the Field
static int	OBJECTID           Description of the Field
static byte	PATTERNFILEID           Description of the Field
static int	PATTERNID           Description of the Field
static byte	STRINGFILEID           Description of the Field
static int	STRINGID           Description of the Field
static byte	SYMBOLFILEID           Description of the Field
static int	SYMBOLID           Description of the Field

 

Method Summary
HObject	apply(HObject head, com.hartmath.lib.Session session)           Method declaration
HObject	evaluate(com.hartmath.lib.Session session)           Evaluate this.
boolean	greater(com.hartmath.lib.Session session, java.lang.Object obj)           Returns true if this is greater to obj
HSymbol	head()           Write a persistant object Returns the associated header-symbol of this HObject e.g for a HInteger object the symbol C.Integer will be returned and for a HFunction the special header-symbol will be retuned
int	hierarchy()           Returns an specific integer value for each class in the HObject class-hierarchy
boolean	isHeadMember(HSymbol sym)           Returns true if this contains the HSymbol sym as a header
boolean	isList()           Returns true if this is an instance of HFunction with the header symbol C.List @ see C
boolean	isMember(HObject obj)           Returns true if this contains the HObject obj
boolean	isNumber()           Returns true if this is a number e.g.
boolean	isRational()           Returns true if this is a rational number e.g.
boolean	less(com.hartmath.lib.Session session, java.lang.Object obj)           Returns true if this is less to obj
boolean	matches(HObject obj, com.hartmath.lib.Session session)           Returns true if this (pattern-)matches the object obj
int	precedence()           Operator precedence of the mathematical object
HObject	substitute(HObject obj, HObject subst)           Substitute the HObject obj in this with the HObject subst
HObject	substitutePattern(com.hartmath.lib.Session session)           Substitute all HPattern-objects in this with the HObject subst
void	toStringBuffer(java.lang.StringBuffer buf, com.hartmath.lib.Session session)           Use this method instead of toString() to display the expression as a String
boolean	unequals(java.lang.Object obj)           Returns true if this is not equal to obj

 

Field Detail

DOUBLEID

public static final int DOUBLEID

Description of the Field

See Also:

Constant Field Values

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DOUBLECOMPLEXID

public static final int DOUBLECOMPLEXID

Description of the Field

See Also:

Constant Field Values

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INTEGERID

public static final int INTEGERID

Description of the Field

See Also:

Constant Field Values

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FRACTIONID

public static final int FRACTIONID

Description of the Field

See Also:

Constant Field Values

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COMPLEXID

public static final int COMPLEXID

Description of the Field

See Also:

Constant Field Values

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STRINGID

public static final int STRINGID

Description of the Field

See Also:

Constant Field Values

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SYMBOLID

public static final int SYMBOLID

Description of the Field

See Also:

Constant Field Values

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FUNCTIONID

public static final int FUNCTIONID

Description of the Field

See Also:

Constant Field Values

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PATTERNID

public static final int PATTERNID

Description of the Field

See Also:

Constant Field Values

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OBJECTID

public static final int OBJECTID

Description of the Field

See Also:

Constant Field Values

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DOUBLEFILEID

public static final byte DOUBLEFILEID

Description of the Field

See Also:

Constant Field Values

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DOUBLECOMPLEXFILEID

public static final byte DOUBLECOMPLEXFILEID

Description of the Field

See Also:

Constant Field Values

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INTEGERFILEID

public static final byte INTEGERFILEID

Description of the Field

See Also:

Constant Field Values

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FRACTIONFILEID

public static final byte FRACTIONFILEID

Description of the Field

See Also:

Constant Field Values

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COMPLEXFILEID

public static final byte COMPLEXFILEID

Description of the Field

See Also:

Constant Field Values

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STRINGFILEID

public static final byte STRINGFILEID

Description of the Field

See Also:

Constant Field Values

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SYMBOLFILEID

public static final byte SYMBOLFILEID

Description of the Field

See Also:

Constant Field Values

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FUNCTIONFILEID

public static final byte FUNCTIONFILEID

Description of the Field

See Also:

Constant Field Values

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PATTERNFILEID

public static final byte PATTERNFILEID

Description of the Field

See Also:

Constant Field Values

Method Detail

unequals

public boolean unequals(java.lang.Object obj)

Returns true if this is not equal to obj

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less

public boolean less(com.hartmath.lib.Session session,
                    java.lang.Object obj)

Returns true if this is less to obj

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greater

public boolean greater(com.hartmath.lib.Session session,
                       java.lang.Object obj)

Returns true if this is greater to obj

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evaluate

public HObject evaluate(com.hartmath.lib.Session session)

Evaluate this.

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matches

public boolean matches(HObject obj,
                       com.hartmath.lib.Session session)

Returns true if this (pattern-)matches the object obj

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substitute

public HObject substitute(HObject obj,
                          HObject subst)

Substitute the HObject obj in this with the HObject subst

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substitutePattern

public HObject substitutePattern(com.hartmath.lib.Session session)

Substitute all HPattern-objects in this with the HObject subst

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toStringBuffer

public void toStringBuffer(java.lang.StringBuffer buf,
                           com.hartmath.lib.Session session)

Use this method instead of toString() to display the expression as a String

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hierarchy

public int hierarchy()

Returns an specific integer value for each class in the HObject class-hierarchy

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head

public HSymbol head()

Write a persistant object Returns the associated header-symbol of this HObject e.g for a HInteger object the symbol C.Integer will be returned and for a HFunction the special header-symbol will be retuned

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apply

public HObject apply(HObject head,
                     com.hartmath.lib.Session session)

Method declaration

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isList

public boolean isList()

Returns true if this is an instance of HFunction with the header symbol C.List @ see C

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isNumber

public boolean isNumber()

Returns true if this is a number e.g. HInteger, HFraction, HComplex, HDouble or HDoubleComplex

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isRational

public boolean isRational()

Returns true if this is a rational number e.g. HInteger, HFraction

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isMember

public boolean isMember(HObject obj)

Returns true if this contains the HObject obj

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isHeadMember

public boolean isHeadMember(HSymbol sym)

Returns true if this contains the HSymbol sym as a header

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precedence

public int precedence()

Operator precedence of the mathematical object

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> com >> hartmath >> [ expression overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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