jmathlib.core.tokens
Class LogicalToken

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

All Implemented Interfaces:

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

public class LogicalToken
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

LogicalToken()
empty logical token

LogicalToken(boolean _value)

LogicalToken(boolean[][] _values)
Constructor taking the numbers value as two double[][]

LogicalToken(double _real)
Constructor taking the numbers value as a pair of double values representing real and imaginary part

LogicalToken(int[] _sizeA, boolean[] _values)
Constructor for multidimensional array

LogicalToken(int _dy, int _dx, boolean[] _values)

LogicalToken(java.lang.String _real)
Constructor taking the numbers value as a string

Method Summary

boolean	equals(java.lang.Object arg) Check if two tokens are equal
OperandToken	evaluate(Token[] operands, GlobalValues globals) Evaluate the token.
DoubleNumberToken	getDoubleNumberToken() conversion into a number token
OperandToken	getElement(int n)
OperandToken	getElement(int y, int x)
DataToken	getElementSized(int y, int x)
boolean	getValue(int n)
boolean[][]	getValues()
int	index2n(int[] index) Convert from index to n (e.g. index={2,3,5} -> n)
boolean	isScalar()
void	setElement(int y, int x, OperandToken num)
void	setElement(int n, OperandToken num)
void	setSize(int dy, int dx) increase/decrease the size of the current DoubleNumberToken to size y*x
void	setValue(int[] index, boolean _value)
void	setValue(int n, boolean _value)
void	setValue(int y, int x, boolean _value) Set value at position y, x
java.lang.String	toString() return the number as a string
OperandToken	transpose() calculate the transpose of an array
protected int	yx2n(int y, int x) Convert y,x points to element number n

Methods inherited from class jmathlib.core.tokens.DataToken

checkEqualDimensions, getDataType, getDimensions, getNumberOfElements, getSize, getSizeX, getSizeY

Methods inherited from class jmathlib.core.tokens.OperandToken

add, asArray, Children, ctranspose, derivative, divide, expand, factorial, integral, isLeaf, isNull, isNumeric, leftDivide, mpower, mPower, multiply, negate, power, scalarDivide, scalarLeftDivide, scalarMultiply, simplify, subst, subtract

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

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

Constructor Detail

LogicalToken

public LogicalToken()

empty logical token

LogicalToken

public LogicalToken(java.lang.String _real)

Constructor taking the numbers value as a string

Parameters:

_real - = the numbers real value as a string

_imaginary - = the numbers imaginary value as a string

LogicalToken

public LogicalToken(double _real)

Constructor taking the numbers value as a pair of double values representing real and imaginary part

Parameters:

_real - = the numbers real value as a double

LogicalToken

public LogicalToken(boolean _value)

Parameters:

_value -

LogicalToken

public LogicalToken(boolean[][] _values)

Constructor taking the numbers value as two double[][]

Parameters:

_real - = the numbers value as a 2D array of double

_imaginary - = the numbers value as a 2D array of double

LogicalToken

public LogicalToken(int _dy,
                    int _dx,
                    boolean[] _values)

Parameters:

_dy -

_dx -

_reValues -

_imValues -

LogicalToken

public LogicalToken(int[] _sizeA,
                    boolean[] _values)

Constructor for multidimensional array

Parameters:

_sizeA -

_reValues -

Method Detail

yx2n

protected int yx2n(int y,
                   int x)

Convert y,x points to element number n

Parameters:

y -

x -

Returns:

n

index2n

public int index2n(int[] index)

Convert from index to n (e.g. index={2,3,5} -> n)

Parameters:

-

Returns:

getElementSized

public DataToken getElementSized(int y,
                                 int x)

Overrides:

getElementSized in class DataToken

setSize

public void setSize(int dy,
                    int dx)

increase/decrease the size of the current DoubleNumberToken to size y*x

Overrides:

setSize in class DataToken

Parameters:

dy - number of rows

dx - number of columns

getElement

public OperandToken getElement(int y,
                               int x)

Overrides:

getElement in class DataToken

Parameters:

y -

x -

Returns:

getElement

public OperandToken getElement(int n)

Overrides:

getElement in class DataToken

Parameters:

n -

Returns:

setElement

public void setElement(int y,
                       int x,
                       OperandToken num)

Overrides:

setElement in class DataToken

Parameters:

y -

x -

num -

setElement

public void setElement(int n,
                       OperandToken num)

Overrides:

setElement in class DataToken

Parameters:

n -

num -

getValue

public boolean getValue(int n)

Parameters:

n -

Returns:

getValues

public boolean[][] getValues()

Returns:

setValue

public void setValue(int y,
                     int x,
                     boolean _value)

Set value at position y, x

Parameters:

y - = y position in matrix

x - = x position in matrix

real - = real value

imag - = imaginary value

setValue

public void setValue(int n,
                     boolean _value)

Parameters:

n -

_real -

_imag -

setValue

public void setValue(int[] index,
                     boolean _value)

Parameters:

index - multidimensional index

_real -

_imag -

getDoubleNumberToken

public DoubleNumberToken getDoubleNumberToken()

conversion into a number token

Returns:

toString

public java.lang.String toString()

return the number as a string

Specified by:

toString in class Token

Returns:

a string representation of the token

evaluate

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

Evaluate the token. This causes it to return itself

Specified by:

evaluate in class Token

Parameters:

operands - = an array of RootObject containing the tokens operands

Returns:

the result of the token evaluation as a RootObject

equals

public boolean equals(java.lang.Object arg)

Check if two tokens are equal

Overrides:

equals in class java.lang.Object

Parameters:

arg - = the object to check against

transpose

public OperandToken transpose()

calculate the transpose of an array

Overrides:

transpose in class OperandToken

Returns:

the result as an OperandToken

isScalar

public boolean isScalar()

Returns:

true if this number token is a scalar (1*1 matrix)