70 lines
2.1 KiB
C++
70 lines
2.1 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 <cstdlib>
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#include "neural++.hpp"
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using namespace neuralpp;
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Synapsis::Synapsis(Neuron* i, Neuron* o, double w, double d) {
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in=i; out=o;
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weight=w;
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delta=d; prev_delta=0;
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}
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Synapsis::Synapsis (Neuron* i, Neuron* o, double(*a)(double), double(*d)(double)) {
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srand((unsigned) time(NULL));
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delta=0;
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prev_delta=0;
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weight=RAND;
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in=i;
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out=o;
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actv_f=a;
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deriv=d;
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}
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Synapsis::Synapsis (Neuron* i, Neuron* o,
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double w, double(*a)(double), double(*d)(double)) {
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delta=0;
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prev_delta=0;
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weight=w;
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in=i;
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out=o;
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actv_f=a;
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deriv=d;
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}
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Neuron* Synapsis::getIn() { return in; }
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Neuron* Synapsis::getOut() { return out; }
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double Synapsis::getWeight() { return weight; }
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double Synapsis::getDelta() { return delta; }
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double Synapsis::getPrevDelta() { return prev_delta; }
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void Synapsis::setWeight(double w) { weight=w; }
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void Synapsis::setDelta(double d) {
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prev_delta=delta;
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delta=d;
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}
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double Synapsis::momentum(int N, int x) {
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return (BETA0*N)/(20*x + N);
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}
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