/*

* Copyright (C) 2020-2026 MEmilio

*

* Authors: Rene Schmieding

*

* Contact: Martin J. Kuehn <[email protected]>

*

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

*

* http://www.apache.org/licenses/LICENSE-2.0

*

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

*/

#ifndef MIO_TIMER_DEFINITIONS_H

#define MIO_TIMER_DEFINITIONS_H

#include "memilio/utils/mioomp.h"

#include <chrono>

#include <ctime>

namespace mio

{

namespace timing

{

#ifdef MEMILIO_ENABLE_OPENMP

using TimeType = decltype(omp_get_wtime());

using DurationType = decltype(omp_get_wtime());

#else

using TimeType = std::chrono::steady_clock::time_point;

using DurationType = std::chrono::steady_clock::duration;

#endif

namespace details

{

/// @brief Convert a duration to integer ticks. Useful for serialization.

inline decltype(auto) convert_to_ticks(DurationType duration)

{

#ifdef MEMILIO_ENABLE_OPENMP

return duration;

#else

return duration.count();

#endif

}

} // namespace details

/**

* @brief Convert a duration to a (floating point) number of seconds.

* @param[in] duration Any DurationType value, mainly `BasicTimer::get_elapsed_time()`.

* @return The duration in seconds.

*/

double time_in_seconds(DurationType duration);

/**

* @brief Get the current time.

* @return Returns omp_get_wtime() if OpenMP is enabled, steady_clock::now() otherwise.

*/

TimeType get_time_now();

} // namespace timing

} // namespace mio

#endif // MIO_TIMER_DEFINITIONS_H