org.apfloat.calc

Class FunctionCalculatorImpl.FixedFunction

java.lang.Object

org.apfloat.calc.FunctionCalculatorImpl.FixedFunction

All Implemented Interfaces:

Serializable, FunctionCalculatorImpl.Function

Enclosing class:

FunctionCalculatorImpl

protected abstract class FunctionCalculatorImpl.FixedFunction
extends Object
implements FunctionCalculatorImpl.Function

Function taking a fixed number of arguments.

See Also:

Serialized Form

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	FixedFunction(String name, int arguments) Constructor.
protected	FixedFunction(String name, int minArguments, int maxArguments) Constructor.

Method Summary

Modifier and Type	Method and Description
protected abstract Number	call(FunctionCalculatorImpl.Functions functions, List<Number> arguments) Call the function.
Number	call(List<Number> arguments) Call the function.
protected void	validate(List<Number> arguments) Validate the number of arguments.

Methods inherited from class java.lang.Object

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

Constructor Detail

FixedFunction

protected FixedFunction(String name,
                        int arguments)

Constructor.

Parameters:

name - The function's name.

arguments - The number of arguments that the function takes.

FixedFunction

protected FixedFunction(String name,
                        int minArguments,
                        int maxArguments)

Constructor.

Parameters:

name - The function's name.

minArguments - The minimum number of arguments that the function takes.

maxArguments - The maximum number of arguments that the function takes.

Method Detail

validate

protected void validate(List<Number> arguments)
                 throws ParseException

Validate the number of arguments.

Parameters:

arguments - The function's arguments.

Throws:

ParseException - In case of incorrect number of arguments.

call

public final Number call(List<Number> arguments)
                  throws ParseException

Description copied from interface: FunctionCalculatorImpl.Function

Call the function.

Specified by:

call in interface FunctionCalculatorImpl.Function

Parameters:

arguments - The function's arguments.

Returns:

The function's value.

Throws:

ParseException - In case the arguments are invalid.

call

protected abstract Number call(FunctionCalculatorImpl.Functions functions,
                               List<Number> arguments)

Call the function.

Parameters:

functions - The function implementations.

arguments - The function's argument(s).

Returns:

The function's value.