2021-10-09 15:16:34 -05:00

108 lines
2.2 KiB
C++

/*****************************************************************************
OscSinCos.h
By Laurent de Soras
--- Legal stuff ---
This program is free software. It comes without any warranty, to
the extent permitted by applicable law. You can redistribute it
and/or modify it under the terms of the Do What The Fuck You Want
To Public License, Version 2, as published by Sam Hocevar. See
http://sam.zoy.org/wtfpl/COPYING for more details.
*Tab=3***********************************************************************/
#if ! defined (ffft_OscSinCos_HEADER_INCLUDED)
#define ffft_OscSinCos_HEADER_INCLUDED
#if defined (_MSC_VER)
#pragma once
#pragma warning (4 : 4250) // "Inherits via dominance."
#endif
/*\\\ INCLUDE FILES \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
#include "def.h"
namespace ffft
{
template <class T>
class OscSinCos
{
/*\\\ PUBLIC \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
public:
typedef T DataType;
OscSinCos ();
ffft_FORCEINLINE void
set_step (double angle_rad);
ffft_FORCEINLINE DataType
get_cos () const;
ffft_FORCEINLINE DataType
get_sin () const;
ffft_FORCEINLINE void
step ();
ffft_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
} // namespace ffft
#include "OscSinCos.hpp"
#endif // ffft_OscSinCos_HEADER_INCLUDED
/*\\\ EOF \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/