| /*---------------------------------------------------------------------------*\ | |
| ========= | | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | |
| \\ / O peration | Website: https://openfoam.org | |
| \\ / A nd | Copyright (C) 2011-2019 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/>. | |
| Class | |
| Foam::clockTime | |
| Description | |
| Starts timing (using rtc) and returns elapsed time from start. | |
| Better resolution (2uSec instead of ~20mSec) than cpuTime. | |
| SourceFiles | |
| clockTime.C | |
| \*---------------------------------------------------------------------------*/ | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| namespace Foam | |
| { | |
| /*---------------------------------------------------------------------------*\ | |
| Class clockTime Declaration | |
| \*---------------------------------------------------------------------------*/ | |
| class clockTime | |
| { | |
| // Private Data | |
| //- Time structure used | |
| typedef struct timeval timeType; | |
| timeType startTime_; | |
| mutable timeType lastTime_; | |
| mutable timeType newTime_; | |
| // Private Member Functions | |
| //- Retrieve the current time values from the system | |
| static void getTime(timeType&); | |
| //- Difference between two times | |
| static double timeDifference(const timeType& beg, const timeType& end); | |
| public: | |
| // Constructors | |
| //- Construct with the current clock time | |
| clockTime(); | |
| // Member Functions | |
| //- Return time (in seconds) from the start | |
| double elapsedTime() const; | |
| //- Return time (in seconds) since last call to timeIncrement() | |
| double timeIncrement() const; | |
| }; | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| } // End namespace Foam | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| // ************************************************************************* // | |