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

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