RLearning.hpp

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#ifndef AI_TOOLBOX_MDP_RLEARNING_HEADER_FILE
#define AI_TOOLBOX_MDP_RLEARNING_HEADER_FILE
 
#include <stddef.h>
 
#include <AIToolbox/MDP/Types.hpp>
#include <AIToolbox/MDP/TypeTraits.hpp>
#include <AIToolbox/MDP/Utils.hpp>
 
namespace AIToolbox::MDP {
    class RLearning {
        public:
            RLearning(size_t S, size_t A, double alpha = 0.1, double rho = 0.1);
 
            template <IsGenerativeModel M>
            RLearning(const M& model, double alpha = 0.1, double rho = 0.1);
 
            void setAlphaLearningRate(double a);
 
            double getAlphaLearningRate() const;
 
            void setRhoLearningRate(double r);
 
            double getRhoLearningRate() const;
 
            void stepUpdateQ(size_t s, size_t a, size_t s1, double rew);
 
            size_t getS() const;
 
            size_t getA() const;
 
            const QFunction & getQFunction() const;
 
            double getAverageReward() const;
 
            void setQFunction(const QFunction & qfun);
 
        private:
            size_t S, A;
            double alpha_, rho_;
            double rAvg_;
 
            QFunction q_;
    };
 
    template <IsGenerativeModel M>
    RLearning::RLearning(const M& model, const double alpha, const double rho) :
            RLearning(model.getS(), model.getA(), alpha, rho) {}
}
#endif