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Christopher Kormanyos
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Mar 29, 2024
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| /////////////////////////////////////////////////////////////////////////////// | ||
| // Copyright Christopher Kormanyos 2013 - 2024. | ||
| // Distributed under the Boost Software License, | ||
| // Version 1.0. (See accompanying file LICENSE_1_0.txt | ||
| // or copy at http://www.boost.org/LICENSE_1_0.txt) | ||
| // | ||
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| #ifndef STOPWATCH_2024_03_28_H | ||
| #define STOPWATCH_2024_03_28_H | ||
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| #include <chrono> | ||
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| template <class clock_type> | ||
| struct stopwatch | ||
| { | ||
| public: | ||
| using duration_type = typename clock_type::duration; | ||
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| stopwatch() : m_start(clock_type::now()) { } | ||
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| stopwatch(const stopwatch& other) : m_start(other.m_start) { } | ||
| stopwatch(stopwatch&& other) noexcept : m_start(other.m_start) { } | ||
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| auto operator=(const stopwatch& other) -> stopwatch& | ||
| { | ||
| if(this != &other) | ||
| { | ||
| m_start = other.m_start; | ||
| } | ||
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| return *this; | ||
| } | ||
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| auto operator=(stopwatch&& other) noexcept -> stopwatch& | ||
| { | ||
| m_start = other.m_start; | ||
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| return *this; | ||
| } | ||
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| ~stopwatch() { } | ||
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| auto reset() -> void | ||
| { | ||
| m_start = clock_type::now(); | ||
| } | ||
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| template<typename RepresentationRequestedType> | ||
| static auto elapsed_time(const stopwatch& my_stopwatch) noexcept -> RepresentationRequestedType | ||
| { | ||
| return std::chrono::duration_cast<std::chrono::duration<float>>(my_stopwatch.elapsed()).count(); | ||
| } | ||
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| private: | ||
| typename clock_type::time_point m_start; | ||
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| auto elapsed() const -> duration_type | ||
| { | ||
| return (clock_type::now() - m_start); | ||
| } | ||
| }; | ||
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| #endif // STOPWATCH_2024_03_28_H |
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