48 lines
956 B
C++
48 lines
956 B
C++
// Author: Tong Qin qintonguav@gmail.com
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// Shaozu Cao saozu.cao@connect.ust.hk
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#pragma once
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#include <ctime>
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#include <iostream>
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#include <string>
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#include <cstdlib>
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#include <chrono>
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class TicToc
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{
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public:
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TicToc()
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{
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tic();
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}
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TicToc( bool _disp )
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{
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disp_ = _disp;
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tic();
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}
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void tic()
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{
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start = std::chrono::system_clock::now();
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}
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void toc( std::string _about_task )
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{
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end = std::chrono::system_clock::now();
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std::chrono::duration<double> elapsed_seconds = end - start;
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double elapsed_ms = elapsed_seconds.count() * 1000;
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if( disp_ )
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{
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std::cout.precision(3); // 10 for sec, 3 for ms
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std::cout << _about_task << ": " << elapsed_ms << " msec." << std::endl;
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}
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}
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private:
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std::chrono::time_point<std::chrono::system_clock> start, end;
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bool disp_ = false;
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};
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