constant.h

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#ifndef REPRESENTATION_FORMAL_BASIC_ENTITY_CONSTANT_H
#define REPRESENTATION_FORMAL_BASIC_ENTITY_CONSTANT_H

#include <functional>
#include <capd/capdlib.h>

namespace irafhy
{
    class Constant
    {
    private:
        double value_;

    public:
        Constant();
        explicit Constant(double value);
        ~Constant() = default;
        [[nodiscard]] std::function<
            capd::autodiff::Node(capd::autodiff::Node, capd::autodiff::Node[], int, capd::autodiff::Node[], int)>
            arithmetic() const;
        capd::interval value(const capd::interval&              t,
                             const std::vector<capd::interval>& in,
                             const std::vector<capd::interval>& params);
        friend std::ostream& operator<<(std::ostream& out, const Constant& rhs);
    };
} // namespace irafhy
#endif //REPRESENTATION_FORMAL_BASIC_ENTITY_CONSTANT_H