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CTicTac.h

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/* +---------------------------------------------------------------------------+
   |          The Mobile Robot Programming Toolkit (MRPT) C++ library          |
   |                                                                           |
   |                   http://mrpt.sourceforge.net/                            |
   |                                                                           |
   |   Copyright (C) 2005-2010  University of Malaga                           |
   |                                                                           |
   |    This software was written by the Machine Perception and Intelligent    |
   |      Robotics Lab, University of Malaga (Spain).                          |
   |    Contact: Jose-Luis Blanco  <jlblanco@ctima.uma.es>                     |
   |                                                                           |
   |  This file is part of the MRPT project.                                   |
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   |     MRPT 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.                                   |
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   |   MRPT 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.                          |
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   |     You should have received a copy of the GNU General Public License     |
   |     along with MRPT.  If not, see <http://www.gnu.org/licenses/>.         |
   |                                                                           |
   +---------------------------------------------------------------------------+ */
#ifndef  CTICTAC_H
#define  CTICTAC_H

#include <mrpt/utils/utils_defs.h>

namespace mrpt
{
namespace utils
{
        /** This class implements a high-performance stopwatch.
         *  Typical resolution is about 1e-6 seconds.
         */
        class BASE_IMPEXP CTicTac
        {
        private:
                uint8_t         largeInts[64];
        public:
                /** Default constructor.
                 */
                CTicTac();

                /** Destructor.
                 */
                virtual ~CTicTac();

                CTicTac(const CTicTac& o)
                {
                        THROW_EXCEPTION("CTicTac objects cannot be copied.");
                }

                CTicTac & operator =(const CTicTac& o)
                {
                        THROW_EXCEPTION("CTicTac objects cannot be copied.");
                }

                /** Starts the stopwatch
                 * \sa Tac
                 */
                void    Tic();

                /** Stops the stopwatch
                 * \return Returns the ellapsed time in seconds.
                 * \sa Tic
                 */
                double  Tac();

        }; // End of class def.

        } // End of namespace
} // End of namespace
#endif

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