mirror of
https://github.com/ShaYmez/MMDVM_CM.git
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85 lines
1.8 KiB
C++
85 lines
1.8 KiB
C++
/*
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* Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "StopWatch.h"
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#if defined(_WIN32) || defined(_WIN64)
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CStopWatch::CStopWatch() :
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m_frequency(),
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m_start()
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{
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::QueryPerformanceFrequency(&m_frequency);
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}
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CStopWatch::~CStopWatch()
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{
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}
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unsigned long CStopWatch::start()
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{
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::QueryPerformanceCounter(&m_start);
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return (unsigned long)(m_start.QuadPart / m_frequency.QuadPart);
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}
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unsigned int CStopWatch::elapsed()
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{
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LARGE_INTEGER now;
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::QueryPerformanceCounter(&now);
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LARGE_INTEGER temp;
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temp.QuadPart = (now.QuadPart - m_start.QuadPart) * 1000;
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return (unsigned int)(temp.QuadPart / m_frequency.QuadPart);
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}
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#else
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#include <cstdio>
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CStopWatch::CStopWatch() :
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m_start()
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{
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}
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CStopWatch::~CStopWatch()
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{
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}
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unsigned long CStopWatch::start()
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{
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::gettimeofday(&m_start, NULL);
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return m_start.tv_usec;
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}
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unsigned int CStopWatch::elapsed()
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{
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struct timeval now;
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::gettimeofday(&now, NULL);
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unsigned int elapsed = (now.tv_sec - m_start.tv_sec) * 1000U;
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elapsed += now.tv_usec / 1000U;
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elapsed -= m_start.tv_usec / 1000U;
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return elapsed;
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}
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#endif
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