mirror of
https://codeberg.org/vcbferreira/NuFI_deal.ii
synced 2026-08-12 22:43:17 +02:00
30 lines
616 B
C++
30 lines
616 B
C++
#ifndef STOPWATCH_H
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#define STOPWATCH_H
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#include <chrono>
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template <typename real> class stopwatch {
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public:
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void reset();
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real elapsed();
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private:
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using clock = std::chrono::high_resolution_clock;
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clock::time_point t0{clock::now()};
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};
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template <typename real> inline void stopwatch<real>::reset() {
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t0 = clock::now();
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}
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template <typename real> inline real stopwatch<real>::elapsed() {
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using seconds = std::chrono::duration<real, std::ratio<1, 1>>;
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auto tnow = clock::now();
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auto duration = std::chrono::duration_cast<seconds>(tnow - t0);
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return duration.count();
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}
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#endif // STOPWATCH_H
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