TimerC.h

// Copyright (C) Geom Software e.U, Bernhard Kornberger, Graz/Austria
//
// This file is part of the WOF software. WOF is commercial software.
// Users holding a license may use this file in accordance with the
// License Agreement.
//
// This software is provided AS IS with NO WARRANTY OF ANY KIND,
// INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE.
//
// Please contact the author if any conditions of this licensing are
// not clear to you.
//
// Author: Bernhard Kornberger, bkorn (at) geom.at
// http://www.geom.at
 
#pragma once
#include <chrono>
#include <string>
#include <iostream>
namespace GEOM_WOF {
 
class TimerC
{
public:
    TimerC():
        t0(std::chrono::high_resolution_clock::now()),
        elapsedSeconds(0.0),
        bStopped(false)
    {}
    double stop()
    {
        bStopped=true;
        elapsedSeconds = std::chrono::duration<double>(std::chrono::high_resolution_clock::now() - t0).count();
        return elapsedSeconds;
    }
    double get() const
    {
        if(bStopped)
        {
            return elapsedSeconds;
        }
        else
        {
            return std::chrono::duration<double>(std::chrono::high_resolution_clock::now() - t0).count();
        }
    }
    double getSecondsSinceLastReport()
    {
        double elapsed(std::chrono::duration<double>(std::chrono::high_resolution_clock::now() - t0).count());
        t0=std::chrono::high_resolution_clock::now();
        return elapsed;
    }
 
    void report(const std::string& s)
    {
        double elapsed(std::chrono::duration<double>(std::chrono::high_resolution_clock::now() - t0).count());
        t0=std::chrono::high_resolution_clock::now();
        std::cout<<"\nReport ["<<s<<"]: "<<elapsed<<" s"<<std::endl;
    }
private:
    std::chrono::high_resolution_clock::time_point t0;
    double elapsedSeconds;
    bool bStopped;
};
 
 
 
 
} // Namespace