82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
//===========================================================================
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//
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// File: StopWatch.hpp
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//
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// Created: Thu Jul 2 23:04:17 2009
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//
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// Author(s): Atgeirr F Rasmussen <atgeirr@sintef.no>
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//
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// $Date$
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//
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// $Revision$
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//
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//===========================================================================
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/*
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Copyright 2009, 2010 SINTEF ICT, Applied Mathematics.
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Copyright 2009, 2010 Statoil ASA.
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This file is part of the Open Porous Media project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU 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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OPM 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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef OPM_STOPWATCH_HEADER
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#define OPM_STOPWATCH_HEADER
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#include <boost/date_time/posix_time/posix_time.hpp>
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namespace Opm
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{
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namespace time
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{
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class StopWatch
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{
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public:
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/// Default constructor. Before the StopWatch is start()-ed,
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/// it is an error to call anything other than start().
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StopWatch();
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/// Starts the StopWatch. It is always legal to call
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/// start(), even if not stop()-ped.
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void start();
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/// Stops the StopWatch. The watch no longer runs, until
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/// restarted by a call to start().
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void stop();
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/// \return the number of running seconds that have passed
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/// since last call to start(), secsSinceLast() or
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/// secsSinceStart()
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double secsSinceLast();
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/// \return the number of running seconds that have passed
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/// since last call to start().
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double secsSinceStart();
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private:
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enum StopWatchState { UnStarted, Running, Stopped };
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StopWatchState state_;
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boost::posix_time::ptime start_time_;
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boost::posix_time::ptime last_time_;
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boost::posix_time::ptime stop_time_;
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};
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} // namespace time
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} // namespace Opm
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#endif // OPM_STOPWATCH_HEADER
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