Files
OpenFOAM-6/src/OSspecific/POSIX/clockTime/clockTime.C
2014-12-10 22:40:10 +00:00

71 lines
2.1 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2012 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM 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 General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
\*---------------------------------------------------------------------------*/
#include "clockTime.H"
#include <sys/time.h>
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
void Foam::clockTime::getTime(timeType& t)
{
gettimeofday(&t, 0);
}
double Foam::clockTime::timeDifference(const timeType& beg, const timeType& end)
{
return end.tv_sec - beg.tv_sec + 1e-6*(end.tv_usec - beg.tv_usec);
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::clockTime::clockTime()
{
getTime(startTime_);
lastTime_ = startTime_;
newTime_ = startTime_;
}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
double Foam::clockTime::elapsedTime() const
{
getTime(newTime_);
return timeDifference(startTime_, newTime_);
}
double Foam::clockTime::timeIncrement() const
{
lastTime_ = newTime_;
getTime(newTime_);
return timeDifference(lastTime_, newTime_);
}
// ************************************************************************* //