time.hpp

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#ifndef GKO_CORE_STOP_TIME_HPP_
#define GKO_CORE_STOP_TIME_HPP_


#include <ginkgo/core/stop/criterion.hpp>


#include <chrono>


namespace gko {
namespace stop {

class Time : public EnablePolymorphicObject<Time, Criterion> {
    friend class EnablePolymorphicObject<Time, Criterion>;

public:
    using clock = std::chrono::system_clock;

    GKO_CREATE_FACTORY_PARAMETERS(parameters, Factory)
    {
        std::chrono::nanoseconds GKO_FACTORY_PARAMETER(
            time_limit, std::chrono::seconds(10));
    };
    GKO_ENABLE_CRITERION_FACTORY(Time, parameters, Factory);
    GKO_ENABLE_BUILD_METHOD(Factory);

protected:
    bool check_impl(uint8 stoppingId, bool setFinalized,
                    Array<stopping_status> *stop_status, bool *one_changed,
                    const Updater &) override;

    explicit Time(std::shared_ptr<const gko::Executor> exec)
        : EnablePolymorphicObject<Time, Criterion>(std::move(exec))
    {}

    explicit Time(const Factory *factory, const CriterionArgs args)
        : EnablePolymorphicObject<Time, Criterion>(factory->get_executor()),
          parameters_{factory->get_parameters()},
          time_limit_{std::chrono::duration<double>(
              factory->get_parameters().time_limit)},
          start_{clock::now()}
    {}

private:
    std::chrono::duration<double> time_limit_{};
    clock::time_point start_{};
};


}  // namespace stop
}  // namespace gko


#endif  // GKO_CORE_STOP_TIME_HPP_