ec.cgp.functions
Class FunctionsBreastCancerY

java.lang.Object
  ec.cgp.functions.FunctionsBreastCancerY

All Implemented Interfaces:

Functions

Direct Known Subclasses:

FunctionsBreastCancerW, FunctionsIris

public class FunctionsBreastCancerY
extends java.lang.Object
implements Functions

Function set for the Breast Cancer (Wisconsin) classification problem.

Author:

David Oranchak, doranchak@gmail.com, http://oranchak.com

Field Summary

(package private) static int	F_ADD add
(package private) static int	F_AND logical and
(package private) static int	F_DIV safe divide; return 1 if divisor is 0.
(package private) static int	F_EQ equal to
(package private) static int	F_GT greater than
(package private) static int	F_GTE greater than or equal to
(package private) static int	F_IF if...
(package private) static int	F_IFLEZ if less than zero then...
(package private) static int	F_LT less than
(package private) static int	F_LTE less than or equal to
(package private) static int	F_MUL multiply
(package private) static int	F_NAND logical nand
(package private) static int	F_NEG negate
(package private) static int	F_NOR logical nor
(package private) static int	F_NOT logical not
(package private) static int	F_OR logical or
(package private) static int	F_SUB subtract

Constructor Summary

FunctionsBreastCancerY()

Method Summary

int	arityOf(int fn) Return the arity of the given function
static float	b2f(boolean inp) Convert the given boolean to float.
java.lang.Object	callFunction(java.lang.Object[] inputs, int function, int numFunctions) Interpret the given function and apply it to the given inputs.
static boolean	f2b(float inp) Interpret the given float as a boolean value.
java.lang.String	functionName(int fn) Return a function name, suitable for display in expressions, for the given function.
java.lang.String	inputName(int inp, java.lang.Object val) Return the name, suitable for display, for the given input.
static void	main(java.lang.String[] args)
static void	testFunctions() Simple test of the function set.

Methods inherited from class java.lang.Object

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

Field Detail

F_ADD

static int F_ADD

add

F_SUB

static int F_SUB

subtract

F_MUL

static int F_MUL

multiply

F_DIV

static int F_DIV

safe divide; return 1 if divisor is 0.

F_LT

static int F_LT

less than

F_LTE

static int F_LTE

less than or equal to

F_GT

static int F_GT

greater than

F_GTE

static int F_GTE

greater than or equal to

F_EQ

static int F_EQ

equal to

F_AND

static int F_AND

logical and

F_OR

static int F_OR

logical or

F_NOT

static int F_NOT

logical not

F_NOR

static int F_NOR

logical nor

F_NAND

static int F_NAND

logical nand

F_NEG

static int F_NEG

negate

F_IF

static int F_IF

if... then... else

F_IFLEZ

static int F_IFLEZ

if less than zero then... else...

Constructor Detail

FunctionsBreastCancerY

public FunctionsBreastCancerY()

Method Detail

callFunction

public java.lang.Object callFunction(java.lang.Object[] inputs,
                                     int function,
                                     int numFunctions)

Interpret the given function and apply it to the given inputs.

Specified by:

callFunction in interface Functions

Parameters:

inputs - The arguments passed to the function. It is possible that some or all of the arguments will be unused by some functions.

function - The function number. Every function number must map to a function.

numFunctions - The total number of functions available.

Returns:

the result of the function call

f2b

public static boolean f2b(float inp)

Interpret the given float as a boolean value. Any value > 0 is interpreted as "true".

b2f

public static float b2f(boolean inp)

Convert the given boolean to float. "True" is 1.0; "false" is -1.0.

functionName

public java.lang.String functionName(int fn)

Return a function name, suitable for display in expressions, for the given function.

Specified by:

functionName in interface Functions

Parameters:

fn - The function number

Returns:

The descriptive function name that corresponds to this function number.

arityOf

public int arityOf(int fn)

Return the arity of the given function

Specified by:

arityOf in interface Functions

Parameters:

fn - the function number

Returns:

The number of inputs this function expects.

inputName

public java.lang.String inputName(int inp,
                                  java.lang.Object val)

Return the name, suitable for display, for the given input.

Specified by:

inputName in interface Functions

Parameters:

inp - The input number

val - Optional input value (needed if you want to display a constant value for this input)

Returns:

The descriptive input name that corresponds to this input.

testFunctions

public static void testFunctions()

Simple test of the function set.

main

public static void main(java.lang.String[] args)