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

Qt 5.9.4 Reference Documentation

# StopWatch.cpp Example File

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

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

              StopWatch.cpp
              Copyright (c) 2005 Laurent de Soras

      --- 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 (_MSC_VER)
              #pragma warning (1 : 4130) // "'operator' : logical operation on address of string constant"
              #pragma warning (1 : 4223) // "nonstandard extension used : non-lvalue array converted to pointer"
              #pragma warning (1 : 4705) // "statement has no effect"
              #pragma warning (1 : 4706) // "assignment within conditional expression"
              #pragma warning (4 : 4786) // "identifier was truncated to '255' characters in the debug information"
              #pragma warning (4 : 4800) // "forcing value to bool 'true' or 'false' (performance warning)"
              #pragma warning (4 : 4355) // "'this' : used in base member initializer list"
      #endif

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

      #include        "StopWatch.h"

      #include        <cassert>

      namespace stopwatch
      {

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

      StopWatch::StopWatch ()
      :       _ccc ()
      ,       _nbr_laps (0)
      {
              // Nothing
      }

      double  StopWatch::get_time_total (Int64 nbr_op) const
      {
              assert (_nbr_laps > 0);
              assert (nbr_op > 0);

              return (
                        static_cast <double> (_ccc.get_time_total ())
                 / (static_cast <double> (nbr_op) * static_cast <double> (_nbr_laps))
              );
      }

      double  StopWatch::get_time_best_lap (Int64 nbr_op) const
      {
              assert (nbr_op > 0);

              return (
                        static_cast <double> (_ccc.get_time_best_lap ())
                      / static_cast <double> (nbr_op)
              );
      }

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

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

      }       // namespace stopwatch

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