// StopWatch3.cpp: implementation of the CStopWatch class.
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//
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//////////////////////////////////////////////////////////////////////
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#include "stdafx.h"
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#include "StopWatch3.h"
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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CStopWatch::CStopWatch()
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{
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m_swFreq.LowPart = m_swFreq.HighPart = 0;
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m_swStart = m_swFreq;
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m_swEnd = m_swFreq;
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m_fTimeforDuration = 0;
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QueryPerformanceFrequency(&m_swFreq);
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// m_swFreq.QuadPart = (LONGLONG)(2.41f*1024*1024*1024);
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}
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CStopWatch::~CStopWatch()
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{
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}
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void CStopWatch::Start(void)
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{
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QueryPerformanceCounter(&m_swStart);
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}
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void CStopWatch::End(void)
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{
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QueryPerformanceCounter(&m_swEnd);
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m_fTimeforDuration = (m_swEnd.QuadPart - m_swStart.QuadPart)/(float)m_swFreq.QuadPart;
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}
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