mirror of
https://github.com/BlackLight/neuralpp.git
synced 2024-12-27 11:55:11 +01:00
float -> double for everything, learning rate now always considered >= 0
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blacklight
parent
1f65c8a26b
commit
1aa4ec7646
9 changed files with 110 additions and 110 deletions
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@ -10,9 +10,9 @@
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using namespace neuralpp;
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int main() {
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NeuralNet *net = new NeuralNet(2, 2, 1, -0.005, 10000);
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NeuralNet net(2, 2, 1, 0.005, 10000);
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string xml;
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float tmp;
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double tmp;
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// XML initialization. Then, I say XML that 2+3=5, 3+3=6, 5+4=9
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// Strings' format is "input1,input2,...,inputn;output1,output2,...,outputm
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@ -22,8 +22,8 @@ int main() {
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xml += NeuralNet::XMLFromSet(2, "5,4;9");
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NeuralNet::closeXML(xml);
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net->train(xml, NeuralNet::str);
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vector<float> v;
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net.train(xml, NeuralNet::str);
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vector<double> v;
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cout << "Network status: trained\n\n";
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cout << "First number to add: ";
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@ -34,9 +34,9 @@ int main() {
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cin >> tmp;
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v.push_back(tmp);
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net->setInput(v);
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net->propagate();
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cout << "Output: " << net->getOutput() << endl;
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net.setInput(v);
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net.propagate();
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cout << "Output: " << net.getOutput() << endl;
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return 0;
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}
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@ -12,11 +12,11 @@ using namespace neuralpp;
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#define NETFILE "adder.net"
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int main() {
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float a,b;
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NeuralNet *net = NULL;
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double a,b;
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NeuralNet net;
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try {
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net = new NeuralNet(NETFILE);
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net = NeuralNet(NETFILE);
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}
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catch (NetworkFileNotFoundException e) {
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@ -30,13 +30,13 @@ int main() {
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cout << "Second number to add: ";
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cin >> b;
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vector<float> v;
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vector<double> v;
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v.push_back(a);
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v.push_back(b);
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net->setInput(v);
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net->propagate();
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cout << "Neural net output: " << net->getOutput() << endl;
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net.setInput(v);
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net.propagate();
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cout << "Neural net output: " << net.getOutput() << endl;
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return 0;
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}
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@ -11,12 +11,12 @@
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using namespace neuralpp;
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int main() {
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NeuralNet *net = new NeuralNet (2, 2, 1, -0.005, 10000);
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NeuralNet net(2, 2, 1, 0.005, 10000);
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cout << "Training in progress - This may take a while...if it gets stuck, interrupt and restart the app\n";
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net->train("adder.xml", NeuralNet::file);
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net.train("adder.xml", NeuralNet::file);
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net->save("adder.net");
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net.save("adder.net");
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cout << "Network trained. You can use adder.net file now to load this network\n";
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return 0;
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}
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@ -30,7 +30,7 @@ using namespace std;
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namespace neuralpp {
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//! Default rand value: |sin(rand)|, always >= 0 and <= 1
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#define RAND ( (float) abs( sinf((float) rand()) ) )
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#define RAND ( (double) abs( sinf((double) rand()) ) )
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class Synapsis;
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class Neuron;
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@ -46,8 +46,8 @@ namespace neuralpp {
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class NeuralNet {
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int epochs;
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int ref_epochs;
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float l_rate;
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float ex;
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double l_rate;
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double ex;
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Layer* input;
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Layer* hidden;
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@ -71,10 +71,10 @@ namespace neuralpp {
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* @param Expected value
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* @return Mean error
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*/
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float error(float);
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double error(double);
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float (*actv_f)(float);
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float (*deriv)(float);
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double (*actv_f)(double);
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double (*deriv)(double);
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public:
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/**
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@ -94,7 +94,7 @@ namespace neuralpp {
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* @param e Epochs (cycles) to execute (the most you execute, the most the network
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* can be accurate for its purpose)
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*/
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NeuralNet (size_t, size_t, size_t, float, int);
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NeuralNet (size_t, size_t, size_t, double, int);
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/**
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* @brief Constructor
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@ -116,29 +116,29 @@ namespace neuralpp {
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* @param e Epochs (cycles) to execute (the most you execute, the most the network
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* can be accurate for its purpose)
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*/
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NeuralNet (size_t, size_t, size_t, float(*)(float), float(*)(float), float, int);
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NeuralNet (size_t, size_t, size_t, double(*)(double), double(*)(double), double, int);
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/**
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* @brief It gets the output of the network (note: the layer output should contain
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* an only neuron)
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*/
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float getOutput();
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double getOutput();
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/**
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* @brief It gets the output of the network in case the output layer contains more neurons
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*/
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vector<float> getVectorOutput();
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vector<double> getVectorOutput();
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/**
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* @brief It gets the value expected. Of course you should specify this when you
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* build your network by using setExpected.
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*/
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float expected();
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double expected();
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/**
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* @brief It sets the value you expect from your network
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*/
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void setExpected(float);
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void setExpected(double);
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/**
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* @brief It updates through back-propagation the weights of the synapsis and
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@ -155,9 +155,9 @@ namespace neuralpp {
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/**
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* @brief It sets the input for the network
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* @param v Vector of floats, containing the values to give to your network
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* @param v Vector of doubles, containing the values to give to your network
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*/
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void setInput (vector<float>&);
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void setInput (vector<double>&);
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/**
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* @brief It links the layers of the network (input, hidden, output). Don't use unless
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@ -186,12 +186,12 @@ namespace neuralpp {
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static void initXML (string&);
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/**
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* @brief Splits a string into a vector of floats, given a delimitator
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* @brief Splits a string into a vector of doubles, given a delimitator
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* @param delim Delimitator
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* @param str String to be splitted
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* @return Vector of floats containing splitted values
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* @return Vector of doubles containing splitted values
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*/
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static vector<float> split (char, string);
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static vector<double> split (char, string);
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/**
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* @brief Get a training set from a string and copies it to an XML
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@ -220,17 +220,17 @@ namespace neuralpp {
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* you're doing, use NeuralNet instead
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*/
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class Synapsis {
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float delta;
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float weight;
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double delta;
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double weight;
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Neuron *in;
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Neuron *out;
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float (*actv_f)(float);
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float (*deriv)(float);
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double (*actv_f)(double);
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double (*deriv)(double);
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public:
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Synapsis(Neuron* i, Neuron* o, float w, float d) {
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Synapsis(Neuron* i, Neuron* o, double w, double d) {
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in=i; out=o;
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weight=w; delta=d;
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}
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@ -242,7 +242,7 @@ namespace neuralpp {
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* @param a Activation function
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* @param d Derivate for activation function
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*/
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Synapsis (Neuron* i, Neuron* o, float(*)(float), float(*)(float));
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Synapsis (Neuron* i, Neuron* o, double(*)(double), double(*)(double));
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/**
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* @brief Constructor
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@ -252,7 +252,7 @@ namespace neuralpp {
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* @param a Activation function
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* @param d Derivate for activation function
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*/
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Synapsis (Neuron* i, Neuron* o, float w, float(*)(float), float(*)(float));
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Synapsis (Neuron* i, Neuron* o, double w, double(*)(double), double(*)(double));
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/**
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* @return Reference to input neuron of the synapsis
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@ -267,23 +267,23 @@ namespace neuralpp {
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/**
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* @brief It sets the weight of the synapsis
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*/
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void setWeight(float);
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void setWeight(double);
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/**
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* @brief It sets the delta (how much to change the weight after an update)
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* of the synapsis
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*/
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void setDelta(float);
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void setDelta(double);
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/**
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* @return Weight of the synapsis
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*/
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float getWeight();
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double getWeight();
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/**
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* @return Delta of the synapsis
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*/
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float getDelta();
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double getDelta();
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};
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/**
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@ -292,26 +292,26 @@ namespace neuralpp {
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* you're doing, use NeuralNet instead
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*/
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class Neuron {
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float actv_val;
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float prop_val;
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double actv_val;
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double prop_val;
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vector< Synapsis > in;
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vector< Synapsis > out;
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float (*actv_f)(float);
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float (*deriv)(float);
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double (*actv_f)(double);
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double (*deriv)(double);
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public:
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/**
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* @brief Constructor
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* @param a Activation function
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* @param d Its derivate
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*/
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Neuron (float (*)(float), float(*)(float));
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Neuron (double (*)(double), double(*)(double));
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/**
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* @brief Alternative constructor, that gets also the synapsis linked to the neuron
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*/
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Neuron (vector< Synapsis >, vector< Synapsis >, float (*)(float), float(*)(float));
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Neuron (vector< Synapsis >, vector< Synapsis >, double (*)(double), double(*)(double));
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/**
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* @brief Gets the i-th synapsis connected on the input of the neuron
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/**
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* @brief Change the activation value of the neuron
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*/
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void setActv (float);
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void setActv (double);
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/**
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* @brief Change the propagation value of the neuron
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*/
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void setProp (float);
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void setProp (double);
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/**
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* @brief It gets the activation value of the neuron
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*/
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float getActv();
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double getActv();
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/**
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* @brief It gets the propagation value of the neuron
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*/
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float getProp();
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double getProp();
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/**
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* @brief It propagates its activation value to the connected neurons
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*/
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float propagate();
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double propagate();
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/**
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* @return Number of input synapsis
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@ -383,8 +383,8 @@ namespace neuralpp {
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vector< Neuron > elements;
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void (*update_weights)();
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float (*actv_f)(float);
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float (*deriv)(float);
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double (*actv_f)(double);
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double (*deriv)(double);
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public:
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/**
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@ -393,13 +393,13 @@ namespace neuralpp {
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* @param a Activation function
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* @param d Its derivate
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*/
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Layer (size_t sz, float (*)(float), float(*)(float));
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Layer (size_t sz, double (*)(double), double(*)(double));
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/**
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* @brief Alternative constructor. It directly gets a vector of neurons to build
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* the layer
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*/
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Layer (vector< Neuron >&, float(*)(float), float(*)(float));
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Layer (vector< Neuron >&, double(*)(double), double(*)(double));
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/**
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* @brief Redefinition for operator []. It gets the neuron at <i>i</i>
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@ -416,13 +416,13 @@ namespace neuralpp {
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* @brief It sets a vector of propagation values to all its neurons
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* @param v Vector of values to write as propagation values
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*/
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void setProp (vector<float>&);
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void setProp (vector<double>&);
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/**
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* @brief It sets a vector of activation values to all its neurons
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* @param v Vector of values to write as activation values
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*/
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void setActv (vector<float>&);
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void setActv (vector<double>&);
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/**
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* @brief It propagates its activation values to the output layers
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@ -441,18 +441,18 @@ namespace neuralpp {
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int output_size;
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int epochs;
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float l_rate;
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float ex;
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double l_rate;
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double ex;
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};
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struct neuronrecord {
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float prop;
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float actv;
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double prop;
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double actv;
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};
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struct synrecord {
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float w;
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float d;
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double w;
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double d;
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};
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}
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@ -21,7 +21,7 @@ using namespace neuralpp;
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* @param a Activation function
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* @param d Its derivate
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*/
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Layer::Layer (size_t sz, float(*a)(float), float(*d)(float)) {
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Layer::Layer (size_t sz, double(*a)(double), double(*d)(double)) {
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for (size_t i=0; i<sz; i++) {
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Neuron n(a,d);
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elements.push_back(n);
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@ -35,7 +35,7 @@ Layer::Layer (size_t sz, float(*a)(float), float(*d)(float)) {
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* @brief Alternative constructor. It directly gets a vector of neurons to build
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* the layer
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*/
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Layer::Layer (vector< Neuron > &el, float (*a)(float), float(*d)(float)) {
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Layer::Layer (vector< Neuron > &el, double (*a)(double), double(*d)(double)) {
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elements=el;
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actv_f=a;
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deriv=d;
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@ -75,7 +75,7 @@ void Layer::link (Layer& l) {
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* @brief It sets a vector of propagation values to all its neurons
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* @param v Vector of values to write as propagation values
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*/
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void Layer::setProp (vector<float> &v) {
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void Layer::setProp (vector<double> &v) {
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for (size_t i=0; i<size(); i++)
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elements[i].setProp(v[i]);
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}
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@ -84,7 +84,7 @@ void Layer::setProp (vector<float> &v) {
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* @brief It sets a vector of activation values to all its neurons
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* @param v Vector of values to write as activation values
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*/
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void Layer::setActv (vector<float> &v) {
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void Layer::setActv (vector<double> &v) {
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for (size_t i=0; i<size(); i++)
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elements[i].setActv(v[i]);
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}
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@ -19,12 +19,12 @@ using namespace neuralpp;
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/**
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* @brief Built-in function. The default activation function: f(x)=x
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*/
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float __actv(float prop) { return prop; }
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double __actv(double prop) { return prop; }
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/**
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* @brief Default derivate for default activation function: f'(x)=1
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*/
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float __deriv(float prop) { return 1; }
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double __deriv(double prop) { return 1; }
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/**
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* @brief Constructor
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@ -36,7 +36,7 @@ float __deriv(float prop) { return 1; }
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* @param e Epochs (cycles) to execute (the most you execute, the most the network
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* can be accurate for its purpose)
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*/
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NeuralNet::NeuralNet (size_t in_size, size_t hidden_size, size_t out_size, float l, int e) {
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NeuralNet::NeuralNet (size_t in_size, size_t hidden_size, size_t out_size, double l, int e) {
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epochs=e;
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ref_epochs=epochs;
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l_rate=l;
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@ -62,7 +62,7 @@ NeuralNet::NeuralNet (size_t in_size, size_t hidden_size, size_t out_size, float
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* can be accurate for its purpose)
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*/
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NeuralNet::NeuralNet (size_t in_size, size_t hidden_size, size_t out_size,
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float(*a)(float), float(*d)(float), float l, int e) {
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double(*a)(double), double(*d)(double), double l, int e) {
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epochs=e;
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ref_epochs=epochs;
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l_rate=l;
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@ -80,13 +80,13 @@ NeuralNet::NeuralNet (size_t in_size, size_t hidden_size, size_t out_size,
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* @brief It gets the output of the network (note: the layer output should contain
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* an only neuron)
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*/
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float NeuralNet::getOutput() { return (*output)[0].getActv(); }
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double NeuralNet::getOutput() { return (*output)[0].getActv(); }
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/**
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* @brief It gets the output of the network in case the output layer contains more neurons
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*/
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vector<float> NeuralNet::getVectorOutput() {
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vector<float> v;
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vector<double> NeuralNet::getVectorOutput() {
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vector<double> v;
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||||
for (size_t i=0; i<output->size(); i++)
|
||||
v.push_back( (*output)[i].getActv() );
|
||||
|
|
@ -98,7 +98,7 @@ vector<float> NeuralNet::getVectorOutput() {
|
|||
* @param Expected value
|
||||
* @return Mean error
|
||||
*/
|
||||
float NeuralNet::error(float expected) {
|
||||
double NeuralNet::error(double expected) {
|
||||
return abs( (getOutput() - expected*
|
||||
deriv(getOutput())) / (abs(expected)) );
|
||||
}
|
||||
|
|
@ -114,9 +114,9 @@ void NeuralNet::propagate() {
|
|||
|
||||
/**
|
||||
* @brief It sets the input for the network
|
||||
* @param v Vector of floats, containing the values to give to your network
|
||||
* @param v Vector of doubles, containing the values to give to your network
|
||||
*/
|
||||
void NeuralNet::setInput(vector<float>& v) {
|
||||
void NeuralNet::setInput(vector<double>& v) {
|
||||
input->setProp(v);
|
||||
input->setActv(v);
|
||||
}
|
||||
|
|
@ -133,38 +133,38 @@ void NeuralNet::link() {
|
|||
/**
|
||||
* @brief It sets the value you expect from your network
|
||||
*/
|
||||
void NeuralNet::setExpected(float e) { ex=e; }
|
||||
void NeuralNet::setExpected(double e) { ex=e; }
|
||||
|
||||
/**
|
||||
* @brief It gets the value expected. Of course you should specify this when you
|
||||
* build your network by using setExpected.
|
||||
*/
|
||||
float NeuralNet::expected() { return ex; }
|
||||
double NeuralNet::expected() { return ex; }
|
||||
|
||||
/**
|
||||
* @brief It updates the weights of the net's synapsis through back-propagation.
|
||||
* In-class use only
|
||||
*/
|
||||
void NeuralNet::updateWeights() {
|
||||
float out_delta;
|
||||
double out_delta;
|
||||
|
||||
for (size_t i=0; i<output->size(); i++) {
|
||||
Neuron *n = &(*output)[i];
|
||||
|
||||
for (size_t j=0; j<n->nIn(); j++) {
|
||||
Synapsis *s = &(n->synIn(j));
|
||||
out_delta = s->getIn()->getActv() * error(ex) * l_rate;
|
||||
out_delta = s->getIn()->getActv() * error(ex) * (-l_rate);
|
||||
s->setDelta(out_delta);
|
||||
}
|
||||
}
|
||||
|
||||
for (size_t i=0; i<hidden->size(); i++) {
|
||||
Neuron *n = &(*hidden)[i];
|
||||
float d = deriv(n->getProp()) * n->synOut(0).getWeight() * out_delta;
|
||||
double d = deriv(n->getProp()) * n->synOut(0).getWeight() * out_delta;
|
||||
|
||||
for (size_t j=0; j<n->nIn(); j++) {
|
||||
Synapsis *s = &(n->synIn(j));
|
||||
s->setDelta(l_rate * d * s->getIn()->getActv());
|
||||
s->setDelta((-l_rate) * d * s->getIn()->getActv());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -420,7 +420,7 @@ NeuralNet::NeuralNet (const char *fname) throw() {
|
|||
* @throw InvalidXMLException
|
||||
*/
|
||||
void NeuralNet::train (string xmlsrc, NeuralNet::source src = file) throw() {
|
||||
float out;
|
||||
double out;
|
||||
CMarkup xml;
|
||||
|
||||
if (src == file)
|
||||
|
|
@ -435,8 +435,8 @@ void NeuralNet::train (string xmlsrc, NeuralNet::source src = file) throw() {
|
|||
|
||||
if (xml.FindElem("NETWORK")) {
|
||||
while (xml.FindChildElem("TRAINING")) {
|
||||
vector<float> input;
|
||||
float output;
|
||||
vector<double> input;
|
||||
double output;
|
||||
bool valid = false;
|
||||
|
||||
xml.IntoElem();
|
||||
|
|
@ -489,14 +489,14 @@ void NeuralNet::initXML (string& xml) {
|
|||
}
|
||||
|
||||
/**
|
||||
* @brief Splits a string into a vector of floats, given a delimitator
|
||||
* @brief Splits a string into a vector of doubles, given a delimitator
|
||||
* @param delim Delimitator
|
||||
* @param str String to be splitted
|
||||
* @return Vector of floats containing splitted values
|
||||
* @return Vector of doubles containing splitted values
|
||||
*/
|
||||
vector<float> NeuralNet::split (char delim, string str) {
|
||||
vector<double> NeuralNet::split (char delim, string str) {
|
||||
char tmp[1024];
|
||||
vector<float> v;
|
||||
vector<double> v;
|
||||
memset (tmp, 0x0, sizeof(tmp));
|
||||
|
||||
for (unsigned int i=0, j=0; i <= str.length(); i++) {
|
||||
|
|
@ -525,7 +525,7 @@ vector<float> NeuralNet::split (char delim, string str) {
|
|||
*/
|
||||
string NeuralNet::XMLFromSet (int id, string set) {
|
||||
string xml;
|
||||
vector<float> in, out;
|
||||
vector<double> in, out;
|
||||
unsigned int delimPos = -1;
|
||||
char delim=';';
|
||||
char tmp[1024];
|
||||
|
|
|
|||
|
|
@ -19,7 +19,7 @@ using namespace neuralpp;
|
|||
* @param a Activation function
|
||||
* @param d Its derivate
|
||||
*/
|
||||
Neuron::Neuron (float (*a)(float), float (*d)(float)) {
|
||||
Neuron::Neuron (double (*a)(double), double (*d)(double)) {
|
||||
actv_f=a;
|
||||
deriv=d;
|
||||
}
|
||||
|
|
@ -27,7 +27,7 @@ Neuron::Neuron (float (*a)(float), float (*d)(float)) {
|
|||
/**
|
||||
* @brief Alternative constructor, that gets also the synapsis linked to the neuron
|
||||
*/
|
||||
Neuron::Neuron (vector< Synapsis > i, vector< Synapsis > o, float (*a)(float), float(*d)(float)) {
|
||||
Neuron::Neuron (vector< Synapsis > i, vector< Synapsis > o, double (*a)(double), double(*d)(double)) {
|
||||
in=i;
|
||||
out=o;
|
||||
|
||||
|
|
@ -58,12 +58,12 @@ void Neuron::push_out (Synapsis& s) { out.push_back(s); }
|
|||
/**
|
||||
* @brief Change the propagation value of the neuron
|
||||
*/
|
||||
void Neuron::setProp (float val) { prop_val=val; }
|
||||
void Neuron::setProp (double val) { prop_val=val; }
|
||||
|
||||
/**
|
||||
* @brief Change the activation value of the neuron
|
||||
*/
|
||||
void Neuron::setActv (float val) { actv_val=actv_f(val); }
|
||||
void Neuron::setActv (double val) { actv_val=actv_f(val); }
|
||||
|
||||
/**
|
||||
* @return Number of input synapsis
|
||||
|
|
@ -78,18 +78,18 @@ size_t Neuron::nOut() { return out.size(); }
|
|||
/**
|
||||
* @brief It gets the propagation value of the neuron
|
||||
*/
|
||||
float Neuron::getProp() { return prop_val; }
|
||||
double Neuron::getProp() { return prop_val; }
|
||||
|
||||
/**
|
||||
* @brief It gets the activation value of the neuron
|
||||
*/
|
||||
float Neuron::getActv() { return actv_val; }
|
||||
double Neuron::getActv() { return actv_val; }
|
||||
|
||||
/**
|
||||
* @brief Propagate a neuron's activation value to the connected neurons
|
||||
*/
|
||||
float Neuron::propagate() {
|
||||
float aux=0;
|
||||
double Neuron::propagate() {
|
||||
double aux=0;
|
||||
|
||||
for (size_t i=0; i<nIn(); i++)
|
||||
aux += (in[i].getWeight() * in[i].getIn()->actv_val);
|
||||
|
|
|
|||
|
|
@ -22,7 +22,7 @@ using namespace neuralpp;
|
|||
* @param a Activation function
|
||||
* @param d Derivate for activation function
|
||||
*/
|
||||
Synapsis::Synapsis (Neuron* i, Neuron* o, float(*a)(float), float(*d)(float)) {
|
||||
Synapsis::Synapsis (Neuron* i, Neuron* o, double(*a)(double), double(*d)(double)) {
|
||||
srand((unsigned) time(NULL));
|
||||
|
||||
delta=0;
|
||||
|
|
@ -42,7 +42,7 @@ Synapsis::Synapsis (Neuron* i, Neuron* o, float(*a)(float), float(*d)(float)) {
|
|||
* @param a Activation function
|
||||
* @param d Derivate for activation function
|
||||
*/
|
||||
Synapsis::Synapsis (Neuron* i, Neuron* o, float w, float(*a)(float), float(*d)(float)) {
|
||||
Synapsis::Synapsis (Neuron* i, Neuron* o, double w, double(*a)(double), double(*d)(double)) {
|
||||
delta=0;
|
||||
weight=w;
|
||||
in=i;
|
||||
|
|
@ -65,21 +65,21 @@ Neuron* Synapsis::getOut() { return out; }
|
|||
/**
|
||||
* @return Weight of the synapsis
|
||||
*/
|
||||
float Synapsis::getWeight() { return weight; }
|
||||
double Synapsis::getWeight() { return weight; }
|
||||
|
||||
/**
|
||||
* @return Delta of the synapsis
|
||||
*/
|
||||
float Synapsis::getDelta() { return delta; }
|
||||
double Synapsis::getDelta() { return delta; }
|
||||
|
||||
/**
|
||||
* @brief It sets the weight of the synapsis
|
||||
*/
|
||||
void Synapsis::setWeight(float w) { weight=w; }
|
||||
void Synapsis::setWeight(double w) { weight=w; }
|
||||
|
||||
/**
|
||||
* @brief It sets the delta (how much to change the weight after an update)
|
||||
* of the synapsis
|
||||
*/
|
||||
void Synapsis::setDelta(float d) { delta=d; }
|
||||
void Synapsis::setDelta(double d) { delta=d; }
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue