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#ifndef POLICY_AGENT
#define POLICY_AGENT
#include <cstring>
#include <fstream>
#include <iostream>
#include "FuncApprox.h"
#define MAX_STATE_VARS 100
#define MAX_ACTIONS 10
class PolicyAgent{
private:
int numFeatures;
int numActions;
protected:
double learningRate;
double epsilon;
bool toLoadWeights;
char loadWeightsFile[256];
bool toSaveWeights;
char saveWeightsFile[256];
FunctionApproximator *FA;
int getNumFeatures();
int getNumActions();
public:
PolicyAgent(int numFeatures, int numActions, double learningRate, double epsilon, FunctionApproximator *FA, char *loadWeightsFile, char *saveWeightsFile);
~PolicyAgent();
virtual int argmaxQ(double state[]);
virtual double computeQ(double state[], int action);
virtual int selectAction(double state[]) = 0;
virtual void update(double state[], int action, double reward, double discountFactor) = 0;
virtual void endEpisode() = 0;
virtual void reset() = 0;
virtual void loadWeights(char *filename);
virtual void saveWeights(char *filename);
};
#endif