jmathlib.core.functions
Class InternalFunction

java.lang.Object
  jmathlib.core.interpreter.RootObject
      jmathlib.core.functions.Function
          jmathlib.core.functions.InternalFunction

All Implemented Interfaces:

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

public class InternalFunction
extends Function

The base class for all the internal function types

See Also:

Serialized Form

Field Summary

Fields inherited from class jmathlib.core.functions.Function

lastModified, name, pathAndFileName

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

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

Constructor Summary

InternalFunction()
Default constructor - creates an internal function with a null name

InternalFunction(java.lang.String _name)
Creates an internal function with it's name set to _name

Method Summary

OperandToken

evaluate(Token[] operands, GlobalValues globals) Executes the internal function

Methods inherited from class jmathlib.core.functions.Function

debugLine, equals, getLastModified, getName, getNArgIn, getNArgOut, getNoOfLeftHandArguments, getPathAndFileName, setLastModified, setName, setNoOfLeftHandArguments, setPathAndFileName, throwMathLibException

Methods inherited from class jmathlib.core.interpreter.RootObject

clone, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

InternalFunction

public InternalFunction()

Default constructor - creates an internal function with a null name

InternalFunction

public InternalFunction(java.lang.String _name)

Creates an internal function with it's name set to _name

Parameters:

_name - = the name of the function

Method Detail

evaluate

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

Executes the internal function

Specified by:

evaluate in class Function

Parameters:

operands - - the array of parameters

pointer - to global values

Returns:

the result as an OperandToken