- Qt 5.5
- Qt Multimedia
- Spectrum Example
- StopWatch.cpp Example File
- Qt 5.5.1 Reference Documentation

# StopWatch.cpp Example File

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 \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/