Model.hpp

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#ifndef HOPS_MODEL_HPP
#define HOPS_MODEL_HPP
 
#include <optional>
#include <string>
#include <vector>
 
#include <hops/Utility/MatrixType.hpp>
#include <hops/Utility/VectorType.hpp>
 
namespace hops {
    class Model {
    public:
        virtual ~Model() = default;
 
        [[nodiscard]] virtual typename MatrixType::Scalar computeNegativeLogLikelihood(const VectorType &x) const = 0;
 
        [[nodiscard]] virtual std::optional<VectorType> computeLogLikelihoodGradient(const VectorType &x) const {
            return std::nullopt;
        };
 
        [[nodiscard]] virtual std::optional<MatrixType> computeExpectedFisherInformation(const VectorType &) const {
            return std::nullopt;
        }
 
        [[nodiscard]] virtual std::optional<std::vector<std::string>> getParameterNames() const {
            return std::nullopt;
        }
    };
}
 
#endif //HOPS_MODEL_HPP