/** * Copyright 2010 Neuroph Project http://neuroph.sourceforge.net * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.neuroph.contrib; import org.neuroph.core.Neuron; /** * Neuron for Interactive Activation Neural Network. * @see org.neuroph.contrib.IACNetwork * @author Zoran Sevarac <sevarac@gmail.com> */ public class IACNeuron extends Neuron { /** * The class fingerprint that is set to indicate serialization * compatibility with a previous version of the class. */ private static final long serialVersionUID = 1L; /** * Flag which is set true if neuron input is externaly set */ private boolean externalInputSet; public IACNeuron() { this.setTransferFunction(new IACFunction()); } /** * Sets total net input for this cell * * @param input * input value */ @Override public void setInput(double input) { this.netInput = input; this.externalInputSet = true; } /** * Calculates neuron output */ @Override public void calculate() { if (!externalInputSet) { // ako ulaz nije setovan spolja netInput = inputFunction.getOutput(this.inputConnections); } // calculate neuron output this.output = ((IACFunction)transferFunction).getOutput(this.netInput, this.output); if (externalInputSet) { // ulaz setovan 'spolja' vazi samo za jedno izracunavanje externalInputSet = false; netInput = 0; } } }