Qt 5.9 | Qt Multimedia | Spectrum Example | StopWatch.h Example File

Qt 5.9.4 Reference Documentation

# StopWatch.h Example File

multimedia/spectrum/3rdparty/fftreal/stopwatch/StopWatch.h

      /*****************************************************************************

              StopWatch.h
              Copyright (c) 2005 Laurent de Soras

      Utility class based on ClockCycleCounter to measure the unit time of a
      repeated operation.

      --- Legal stuff ---

      This library is free software; you can redistribute it and/or
      modify it under the terms of the GNU Lesser General Public
      License as published by the Free Software Foundation; either
      version 2.1 of the License, or (at your option) any later version.

      This library 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
      Lesser General Public License for more details.

      You should have received a copy of the GNU Lesser General Public
      License along with this library; if not, write to the Free Software
      Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

      *Tab=3***********************************************************************/

      #if ! defined (stopwatch_StopWatch_HEADER_INCLUDED)
      #define stopwatch_StopWatch_HEADER_INCLUDED

      #if defined (_MSC_VER)
              #pragma once
              #pragma warning (4 : 4250) // "Inherits via dominance."
      #endif

      /*\\\ INCLUDE FILES \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/

      #include        "ClockCycleCounter.h"

      namespace stopwatch
      {

      class StopWatch
      {

      /*\\\ PUBLIC \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/

      public:

                                                      StopWatch ();

              stopwatch_FORCEINLINE void
                                                      start ();
              stopwatch_FORCEINLINE void
                                                      stop_lap ();

              double                  get_time_total (Int64 nbr_op) const;
              double                  get_time_best_lap (Int64 nbr_op) const;

      /*\\\ PROTECTED \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/

      protected:

      /*\\\ PRIVATE \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/

      private:

              ClockCycleCounter
                                                      _ccc;
              Int64                           _nbr_laps;

      /*\\\ FORBIDDEN MEMBER FUNCTIONS \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/

      private:

                                                      StopWatch (const StopWatch &other);
              StopWatch &             operator = (const StopWatch &other);
              bool                            operator == (const StopWatch &other);
              bool                            operator != (const StopWatch &other);

      };      // class StopWatch

      }       // namespace stopwatch

      #include        "StopWatch.hpp"

      #endif  // stopwatch_StopWatch_HEADER_INCLUDED

      /*\\\ EOF \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/