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/************************************************************************************
Copyright (C) 2005-2008 Assefaw H. Gebremedhin, Arijit Tarafdar, Duc Nguyen,
Alex Pothen
This file is part of ColPack.
ColPack is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
ColPack is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with ColPack. If not, see <http://www.gnu.org/licenses/>.
************************************************************************************/
//using namespace std;
#include "Definitions.h"
#include "Timer.h"
namespace ColPack
{
//Public Constructor 4351
Timer::Timer()
{
}
//Public Destructor 4352
Timer::~Timer()
{
}
//Public Function 4354
void Timer::Start()
{
#ifdef SYSTEM_TIME
ct_BeginTimer = times(&tms_BeginTimer);
#else
ct_BeginTimer = clock();
#endif
}
//Public Function 4355
void Timer::Stop()
{
#ifdef SYSTEM_TIME
ct_EndTimer = times(&tms_EndTimer);
#else
ct_EndTimer = clock();
#endif
}
//Public Function 4356
double Timer::GetWallTime()
{
#ifdef SYSTEM_TIME
return (double)(ct_EndTimer - ct_BeginTimer) / CLK_TCK;
#else
return (double)(ct_EndTimer - ct_BeginTimer) / CLOCKS_PER_SEC;
#endif
}
//Public Function 4357
double Timer::GetProcessorTime()
{
#ifdef SYSTEM_TIME
double t_UserTime = (double) (tms_EndTimer.tms_utime - tms_BeginTimer.tms_utime) / CLK_TCK;
double t_SystemTime = (double) (tms_EndTimer.tms_stime - tms_BeginTimer.tms_stime) / CLK_TCK;
return(t_UserTime + t_SystemTime);
#else
return(_UNKNOWN);
#endif
}
//Public Function 4358
double Timer::GetUserProcessorTime()
{
#ifdef SYSTEM_TIME
double t_UserTime = (double)(tms_EndTimer.tms_utime - tms_BeginTimer.tms_utime) / CLK_TCK;
return(t_UserTime);
#else
return(_UNKNOWN);
#endif
}
//Public Function 4359
double Timer::GetSystemProcessorTime()
{
#ifdef SYSTEM_TIME
double t_SystemTime = (double)(tms_EndTimer.tms_stime - tms_BeginTimer.tms_stime) / CLK_TCK;
return(t_SystemTime);
#else
return(_UNKNOWN);
#endif
}
}
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