stopwatch.h

[詳解]

 
 
// Copyright(c) 2023-2025 Design Engineering Laboratory, Saitama University
// Released under the MIT license
// https://opensource.org/licenses/mit-license.php
 
#ifndef DESIGNLAB_STOPWATCH_H_
#define DESIGNLAB_STOPWATCH_H_
 
#include <chrono>
#include <string>
 
 
namespace designlab
{
 
class Stopwatch final
{
public:
    Stopwatch();
 
    void Start();
 
    void End();
 
    double GetElapsedSeconds() const;
 
    double GetElapsedMilliSecond() const;
 
    double GetElapsedMicroSecond() const;
 
 
    std::string GetElapsedSecondsString() const;
 
    std::string GetElapsedMilliSecondString() const;
 
    std::string GetElapsedMicroSecondString() const;
 
 
    std::string GetNowTimeString() const;
 
private:
    std::chrono::system_clock::time_point start_time_;  
 
    std::chrono::system_clock::time_point end_time_;    
};
 
}  // namespace designlab
 
 
#endif  // DESIGNLAB_STOPWATCH_H_