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114 lines
3 KiB
C++
114 lines
3 KiB
C++
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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*
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* This file is part of xlslib -- A multiplatform, C/C++ library
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* for dynamic generation of Excel(TM) files.
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*
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* xlslib is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* xlslib 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with xlslib. If not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright 2004 Yeico S. A. de C. V.
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* Copyright 2008 David Hoerl
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*
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* $Source: /cvsroot/xlslib/xlslib/src/common/timespan.h,v $
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* $Revision: 1.2 $
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* $Author: dhoerl $
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* $Date: 2008/10/25 18:39:53 $
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*
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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*
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* File description:
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*
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*
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*
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#ifndef TIMESPAN_H
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#define TIMESPAN_H
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#include <time.h>
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#include <assert.h>
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#include <XLS/config.h>
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#include <XLS/systype.h>
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class CCpuClockTimespan
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{
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enum
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{ INVALID_VALUE = -1, };
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public:
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CCpuClockTimespan()
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: m_clockStart( INVALID_VALUE),
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m_nUsedClockTicks( INVALID_VALUE)
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{}
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~CCpuClockTimespan()
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{}
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void StartClock()
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{
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// the clock is already started !!!
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// stop it first !!!
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assert( m_clockStart == (clock_t)INVALID_VALUE);
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m_nUsedClockTicks = (clock_t)INVALID_VALUE;
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m_clockStart = clock();
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}
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void StopClock()
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{
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const clock_t clockStop = clock();
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// start the clock first !!!
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assert( m_clockStart != (clock_t)INVALID_VALUE);
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m_nUsedClockTicks = clockStop - m_clockStart;
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// after this, we can start it again !!!
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m_clockStart = INVALID_VALUE;
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}
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unsigned long GetUsedMilliseconds() const
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{
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const int MILLISECONDS_PER_SECOND = 1000;
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// the clock was never started,
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// or it's started, but it has not been stopped yet
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assert( m_nUsedClockTicks != (clock_t)INVALID_VALUE);
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double nSeconds = ( ( double)m_nUsedClockTicks) / CLOCKS_PER_SEC;
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const unsigned long nMilliseconds = (unsigned long)(nSeconds * MILLISECONDS_PER_SECOND);
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return nMilliseconds;
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}
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private:
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// when did we Start to measure
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// clock time?
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clock_t m_clockStart;
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// the used clock ticks, from Start to Stop
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clock_t m_nUsedClockTicks;
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};
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#endif //TIMESPAN_H
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* $Log: timespan.h,v $
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* Revision 1.2 2008/10/25 18:39:53 dhoerl
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* 2008
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*
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* Revision 1.1.1.1 2004/08/27 16:32:05 darioglz
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* Initial Import.
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*
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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