// StopWatch.h: interface for the StopWatch class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_STOPWATCH_H__D5D4ADCA_16A7_47B3_8FDA_1FB7E8B2E438__INCLUDED_)
#define AFX_STOPWATCH_H__D5D4ADCA_16A7_47B3_8FDA_1FB7E8B2E438__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include &lt iostream&gt

#include &lt sys/timeb.h&gt

class StopWatch
{
public:
    StopWatch()
    {
        struct _timeb tmStart;
        _ftime(&tmStart);
        m_dStart = double(tmStart.time) + double(tmStart.millitm)/1000.0;
    }
    ~StopWatch() 
    { 
        struct _timeb tmEnd;
        _ftime(&tmEnd);
        double dEnd = double(tmEnd.time) + double(tmEnd.millitm)/1000.0;
        double dDelta = dEnd - m_dStart;
        std::cout << "Stopwatch: " << dDelta << " " << std::endl;
    }
protected:
    double m_dStart;
};

#endif // !defined(AFX_STOPWATCH_H__D5D4ADCA_16A7_47B3_8FDA_1FB7E8B2E438__INCLUDED_)