Qt Reference Documentation

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