91 lines
2.3 KiB
C++
91 lines
2.3 KiB
C++
/**************************************************************************************************
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* LibNeural++ v.0.2 - All-purpose library for managing neural networks *
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* Copyright (C) 2009, BlackLight *
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* *
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* This program is free software: you can redistribute it and/or modify it under the terms of the *
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* GNU General Public License as published by the Free Software Foundation, either version 3 of *
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* the License, or (at your option) any later version. This program is distributed in the hope *
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* that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for *
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* more details. You should have received a copy of the GNU General Public License along with *
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* this program. If not, see <http://www.gnu.org/licenses/>. *
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**************************************************************************************************/
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#include "neural++.hpp"
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using std::vector;
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namespace neuralpp {
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Neuron::Neuron(double (*a) (double), double th) {
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actv_f = a;
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threshold = th;
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}
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Neuron::Neuron(vector < Synapsis > i, vector < Synapsis > o,
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double (*a) (double), double th) {
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in = i;
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out = o;
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actv_f = a;
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threshold = th;
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}
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Synapsis & Neuron::synIn(size_t i) {
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return in[i];
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}
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Synapsis & Neuron::synOut(size_t i) {
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return out[i];
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}
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void Neuron::push_in(Synapsis s) {
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in.push_back(s);
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}
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void Neuron::push_out(Synapsis s) {
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out.push_back(s);
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}
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void Neuron::setProp(double val) {
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prop_val = val;
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}
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void Neuron::setActv(double val) {
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//actv_val = actv_f(val);
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actv_val = val;
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}
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size_t Neuron::nIn() {
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return in.size();
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}
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size_t Neuron::nOut() {
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return out.size();
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}
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double Neuron::getProp() {
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return prop_val;
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}
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double Neuron::getActv() {
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return actv_val;
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}
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void Neuron::propagate() {
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double aux = 0.0;
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for (size_t i = 0; i < nIn(); i++)
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aux += (in[i].getWeight() * in[i].getIn()->actv_val);
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aux -= threshold;
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setProp(aux);
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setActv( actv_f(aux) );
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}
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void Neuron::synClear() {
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in.clear();
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out.clear();
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}
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}
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