jmathlib.core.tokens
Class MathLibObject

java.lang.Object
  jmathlib.core.interpreter.RootObject
      jmathlib.core.tokens.Token
          jmathlib.core.tokens.OperandToken
              jmathlib.core.tokens.DataToken
                  jmathlib.core.tokens.MathLibObject

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, ErrorCodes, TokenConstants

public class MathLibObject
extends DataToken

See Also:

Serialized Form

Field Summary

Fields inherited from class jmathlib.core.tokens.DataToken

dataType, noElem, sizeA, sizeX, sizeY

Fields inherited from class jmathlib.core.tokens.Token

priority

Fields inherited from interface jmathlib.core.constants.TokenConstants

ADDSUB_PRIORITY, AND_PRIORITY, ANDAND_PRIORITY, ASSIGN_PRIORITY, BRACKET_PRIORITY, COMPARE_PRIORITY, CONCAT, MATRIX, MULDIV_PRIORITY, OR_PRIORITY, OROR_PRIORITY, PARAMETER, POWER_PRIORITY, RELATION_PRIORITY, SINGLE, ttDelimiter, ttNotSet, ttOperand, ttOperator

Fields inherited from interface jmathlib.core.constants.ErrorCodes

ERR_BRACKET_OPEN, ERR_BRACKET_ORDER, ERR_FUNCTION_NOT_FOUND, ERR_FUNCTION_NOT_IMPLEMENTED, ERR_INSUFFICIENT_PARAMETERS, ERR_INVALID_PARAMETER, ERR_LVALUE_REQUIRED, ERR_MATRIX_SINGULAR, ERR_NOT_SQUARE_MATRIX, ERR_OPNOTSUPPORTED, ERR_TOO_MANY_PARAMETERS, ERR_USER_ERROR, ERR_VARIABLE_NOTDEFINED, OK, OK_FUNCTION_PROCESS

Constructor Summary

MathLibObject()
Create a new structure

MathLibObject(MathLibObject oldVal)
Create a structure and copy it's data from another structure

Method Summary

OperandToken	add(OperandToken arg) add this token to another
OperandToken	divide(OperandToken arg) divide this token by another
OperandToken	evaluate(Token[] operands, GlobalValues globals) Evaluates the structure
OperandToken	getFieldData(java.lang.String fieldName) Get the value of a particular field
java.util.Iterator	getFields()
java.util.HashMap	getFieldsHash()
Variable	getFieldVariable(java.lang.String fieldName) Get the value of a particular field
OperandToken	multiply(OperandToken arg) multiply this token by another
OperandToken	power(OperandToken arg) raise this token to the power of another
void	setField(java.lang.String fieldName, OperandToken value) Set the value of one of the structures fields
OperandToken	subtract(OperandToken arg) subtract this token from another
java.lang.String	toString() Turns the structure into a string

Methods inherited from class jmathlib.core.tokens.DataToken

checkEqualDimensions, getDataType, getDimensions, getElement, getElement, getElementSized, getNumberOfElements, getSize, getSizeX, getSizeY, setElement, setElement, setSize

Methods inherited from class jmathlib.core.tokens.OperandToken

asArray, Children, ctranspose, derivative, expand, factorial, integral, isLeaf, isNull, isNumeric, leftDivide, mpower, mPower, negate, scalarDivide, scalarLeftDivide, scalarMultiply, simplify, subst, transpose

Methods inherited from class jmathlib.core.tokens.Token

isDisplayResult, setDisplayResult, toMathMlString, toString

Methods inherited from class jmathlib.core.interpreter.RootObject

clone, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

MathLibObject

public MathLibObject()

Create a new structure

MathLibObject

public MathLibObject(MathLibObject oldVal)

Create a structure and copy it's data from another structure

Parameters:

oldVal - = the structure to copy the values from

Method Detail

setField

public void setField(java.lang.String fieldName,
                     OperandToken value)

Set the value of one of the structures fields

Parameters:

fieldName - = the name of the field to set

value - = the value to set the field to

getFieldData

public OperandToken getFieldData(java.lang.String fieldName)

Get the value of a particular field

Parameters:

fieldName - = the name of the field

Returns:

the fields data

getFieldVariable

public Variable getFieldVariable(java.lang.String fieldName)

Get the value of a particular field

Parameters:

fieldName - = the name of the field

Returns:

a variable pointing to the fields data

getFields

public java.util.Iterator getFields()

Returns:

a list of all fields

getFieldsHash

public java.util.HashMap getFieldsHash()

Returns:

a list of all fields

toString

public java.lang.String toString()

Turns the structure into a string

Specified by:

toString in class Token

Returns:

a string representation of the token

evaluate

public OperandToken evaluate(Token[] operands,
                             GlobalValues globals)

Evaluates the structure

Specified by:

evaluate in class Token

Parameters:

operands - = an array of RootObject containing the tokens operands

Returns:

the structure itself

add

public OperandToken add(OperandToken arg)

Description copied from class: OperandToken

add this token to another

Overrides:

add in class OperandToken

Parameters:

-

Returns:

subtract

public OperandToken subtract(OperandToken arg)

Description copied from class: OperandToken

subtract this token from another

Overrides:

subtract in class OperandToken

Parameters:

-

Returns:

multiply

public OperandToken multiply(OperandToken arg)

Description copied from class: OperandToken

multiply this token by another

Overrides:

multiply in class OperandToken

Parameters:

arg -

Returns:

divide

public OperandToken divide(OperandToken arg)

Description copied from class: OperandToken

divide this token by another

Overrides:

divide in class OperandToken

Parameters:

-

Returns:

power

public OperandToken power(OperandToken arg)

Description copied from class: OperandToken

raise this token to the power of another

Overrides:

power in class OperandToken

Parameters:

-

Returns:

the result as an OperandToken