23 lines
357 B
C
23 lines
357 B
C
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#include <chrono>
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#include <iosfwd>
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class Timer
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{
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public:
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Timer();
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void tic();
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void toc();
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friend std::ostream& operator<<(std::ostream& os, const Timer & timer);
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private:
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std::chrono::time_point<std::chrono::steady_clock> myT0;
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double mySum;
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double mySum2;
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int myN;
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};
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std::ostream& operator<<(std::ostream& os, const Timer & timer);
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