timer.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
#include <chrono>
 
namespace colmap {
 
class Timer {
public:
    Timer();
 
    void Start();
    void Restart();
    void Pause();
    void Resume();
    void Reset();
 
    double ElapsedMicroSeconds() const;
    double ElapsedSeconds() const;
    double ElapsedMinutes() const;
    double ElapsedHours() const;
 
    void PrintSeconds() const;
    void PrintMinutes() const;
    void PrintHours() const;
 
private:
    bool started_;
    bool paused_;
    std::chrono::high_resolution_clock::time_point start_time_;
    std::chrono::high_resolution_clock::time_point pause_time_;
};
 
}  // namespace colmap