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82 lines
1.8 KiB
82 lines
1.8 KiB
//
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// $filename
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// $projectname
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//
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// Created by Joshua moerman on $TODAY.
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// Copyright 2010 Joshua Moerman. All rights reserved.
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//
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#include "Logistic.hpp"
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Logistic::Logistic():
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BasicKernel() {
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dimension = 3;
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init();
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}
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Logistic::Logistic(const unsigned int dimension):
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BasicKernel(), dimension(dimension) {
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init();
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}
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void Logistic::init() {
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const unsigned int numberOfParameters = dimension;
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if ( myParameters != NULL ) {
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delete myParameters;
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}
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myParameters = new double[numberOfParameters];
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if ( vectorNew != NULL ) {
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delete vectorNew;
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}
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vectorNew = new double[dimension];
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if ( vectorOld != NULL ) {
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delete vectorOld;
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}
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vectorOld = new double[dimension];
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assert(myParameters != NULL);
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assert(vectorNew != NULL);
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assert(vectorOld != NULL);
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for ( unsigned int i = 0; i < numberOfParameters; i++ ) {
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myParameters[i] = 0.0;
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}
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for ( unsigned int i = 0; i < dimension; i++ ) {
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vectorNew[i] = vectorOld[i] = 0.5;
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}
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}
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void Logistic::iterate() {
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swap(vectorNew, vectorOld);
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for ( unsigned int i = 0; i < dimension; i++ ) {
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vectorNew[i] = myParameters[i]*vectorOld[i]*(1.0 - vectorOld[i]);
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}
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}
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// setters, getters, all i/o to other classes/objects
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void * Logistic::getProperty(const string identifier) {
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if ( identifier == "dimension" ) {
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unsigned int * _return = new unsigned int;
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*_return = dimension;
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return _return;
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}
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return NULL;
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}
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void Logistic::setProperty(const string identifier, const void * _value) {
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if ( identifier == "dimension" ) {
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unsigned int * value = (unsigned int*) _value;
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dimension = *value;
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init();
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}
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}
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inline unsigned int Logistic::getNumberOfParameters() {
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return dimension;
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}
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