MLP.h

#pragma once
#include <algorithm>
#include <vector>
#include <iostream>
#include <random>
#include <numeric>
#include <cmath>
#include <time.h>

using namespace std;

class Perceptron {
    public:
        vector <double> weights;
        double bias;
        Perceptron(int inputs, double bias = 1.0);
        double run(vector<double> x);
        void set_weights(vector<double> w_init);
        double sigmoid(double x);
};

class MultiLayerPerceptron {
    public:
        MultiLayerPerceptron(vector<int> layers, double bias = 1.0, double eta = 0.5);
        void set_weights(vector<vector<vector<double>>>w_init);
        void print_weights();
        vector<double> run(vector<double> x);
        double bp(vector<double>x, vector<double>y);

        vector<int> layers;
        double bias;
        double eta;
        vector<vector<Perceptron>> network;
        vector<vector<double> > values;
        vector<vector<double>> d;
};