00001 /*---------------------------------------------------------------------------*\ 00002 ========= | 00003 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox 00004 \\ / O peration | 00005 \\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd. 00006 \\/ M anipulation | 00007 ------------------------------------------------------------------------------- 00008 License 00009 This file is part of OpenFOAM. 00010 00011 OpenFOAM is free software: you can redistribute it and/or modify it 00012 under the terms of the GNU General Public License as published by 00013 the Free Software Foundation, either version 3 of the License, or 00014 (at your option) any later version. 00015 00016 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT 00017 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00018 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 00019 for more details. 00020 00021 You should have received a copy of the GNU General Public License 00022 along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>. 00023 00024 \*---------------------------------------------------------------------------*/ 00025 00026 #include "clockTimeImpl.H" 00027 #include <OpenFOAM/scalar.H> 00028 #include <sys/time.h> 00029 00030 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00031 00032 namespace Foam 00033 { 00034 00035 // * * * * * * * * * * * * * * * Static Members * * * * * * * * * * * * * * // 00036 00037 00038 // * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * // 00039 00040 void clockTimeImpl::getTime(struct timeval& t) 00041 { 00042 gettimeofday(&t, NULL); 00043 } 00044 00045 00046 double clockTimeImpl::timeDifference 00047 ( 00048 const struct timeval& start, 00049 const struct timeval& end 00050 ) 00051 { 00052 return end.tv_sec - start.tv_sec + 1E-6*(end.tv_usec - start.tv_usec); 00053 } 00054 00055 00056 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * // 00057 00058 clockTimeImpl::clockTimeImpl() 00059 { 00060 getTime(startTime_); 00061 lastTime_ = startTime_; 00062 newTime_ = startTime_; 00063 } 00064 00065 00066 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * // 00067 00068 double clockTimeImpl::elapsedTime() const 00069 { 00070 getTime(newTime_); 00071 return timeDifference(startTime_, newTime_); 00072 } 00073 00074 00075 double clockTimeImpl::timeIncrement() const 00076 { 00077 lastTime_ = newTime_; 00078 getTime(newTime_); 00079 return timeDifference(lastTime_, newTime_); 00080 } 00081 00082 00083 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00084 00085 } // End namespace Foam 00086 00087 // ************************ vim: set sw=4 sts=4 et: ************************ //
