Qt Reference Documentation

# StopWatch.cpp Example File

demos/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 \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/