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# OscSinCos.h Example File

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