Files
NeuralNetworkLib/tests/nn-rl-xor.cpp

105 lines
2.4 KiB
C++

#include "../src/NeuronNetwork/FeedForwardQuick"
#include "../src/NeuronNetwork/Learning/Reinforcement"
#include "../src/NeuronNetwork/Learning/OpticalBackPropagation"
#include <iostream>
#include <vector>
class X: public Shin::NeuronNetwork::Problem
{
public:
X(const X& a) :q(a.q) {}
X(const std::vector<float> &a):q(a) {}
std::vector<float> representation() const
{
return q;
}
protected:
std::vector<float> q;
};
int main()
{
srand(time(NULL));
for (int test=0;test<3;test++)
{
Shin::NeuronNetwork::FeedForwardNetworkQuick q({2,6,1});
Shin::NeuronNetwork::Learning::Reinforcement b(q);
b.setPropagator(new Shin::NeuronNetwork::Learning::OpticalBackPropagation(q));
b.getPropagator().setLearningCoeficient(0.9);
b.getPropagator().allowEntropy();
double targetQuality =1.7;
if(test==2)
{
targetQuality =1.62;
std::cerr << "Testing with OBP ...\n";
b.setPropagator(new Shin::NeuronNetwork::Learning::OpticalBackPropagation(q));
b.getPropagator().setLearningCoeficient(3);
}
b.setQualityFunction(
[](const Shin::NeuronNetwork::Problem &pr,const Shin::NeuronNetwork::Solution &s)->float
{
std::vector <float> p=pr;
float expect=0.0;
if(p[0] && p[1])
expect=0;
else if(p[0] && !p[1])
expect=1;
else if(!p[0] && !p[1])
expect=0;
else if(!p[0] && p[1])
expect=1;
// std::cerr << "expected: " << expect << " got " << s[0];
if(expect==0)
{
expect=0.33-s[0];
}else
{
expect=s[0]-0.67;
}
// std::cerr << " returnning " << expect*5.0 << "\n";
return expect*9.0;
});
std::vector<Shin::NeuronNetwork::Problem*> p;
p.push_back(new X(std::vector<float>({0,0})));
p.push_back( new X(std::vector<float>({1,0})));
p.push_back( new X(std::vector<float>({0,1})));
p.push_back(new X(std::vector<float>({1,1})));
if(test==1)
{
std::cerr << "Testing with entropy ...\n";
b.getPropagator().allowEntropy();
}else
{
std::cerr << "Testing without entropy ...\n";
}
for(int i=0;i < 500000000;i++)
// for(int i=0;i < 5;i++)
{
double err=b.learnSet(p);
if(i%100000==0)
srand(time(NULL));
if(i%200000==0 || err > targetQuality)
{
std::cerr << i << " ("<< err <<").\n";
for(int j=0;j<4;j++)
{
std::cerr << "\t" << j%4 << ". FOR: [" << p[j%4]->representation()[0] << "," <<p[j%4]->representation()[1] << "] res: " <<
q.solve(*p[j%4])[0] << "\n";
}
}
if(err >targetQuality)
break;
}
}
}