Qt 5.7 | Qt Multimedia | Spectrum Example | OscSinCos.h Example File

Qt 5.7.1 Reference Documentation

# OscSinCos.h Example File

multimedia/spectrum/3rdparty/fftreal/OscSinCos.h

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

              OscSinCos.h
              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 (OscSinCos_HEADER_INCLUDED)
      #define OscSinCos_HEADER_INCLUDED

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

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

      #include        "def.h"

      template <class T>
      class OscSinCos
      {

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

      public:

              typedef T       DataType;

                                                      OscSinCos ();

              FORCEINLINE void
                                                      set_step (double angle_rad);

              FORCEINLINE DataType
                                                      get_cos () const;
              FORCEINLINE DataType
                                                      get_sin () const;
              FORCEINLINE void
                                                      step ();
              FORCEINLINE void
                                                      clear_buffers ();

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

      protected:

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

      private:

              DataType                        _pos_cos;               // Current phase expressed with sin and cos. [-1 ; 1]
              DataType                        _pos_sin;               // -
              DataType                        _step_cos;              // Phase increment per step, [-1 ; 1]
              DataType                        _step_sin;              // -

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

      private:

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

      };      // class OscSinCos

      #include        "OscSinCos.hpp"

      #endif  // OscSinCos_HEADER_INCLUDED

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