source: trunk/demos/spectrum/3rdparty/fftreal/TestWhiteNoiseGen.h@ 846

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

        TestWhiteNoiseGen.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 (TestWhiteNoiseGen_HEADER_INCLUDED)
#define TestWhiteNoiseGen_HEADER_INCLUDED

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



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



template <class DT>
class TestWhiteNoiseGen
{

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

public:

        typedef DT      DataType;

                                                TestWhiteNoiseGen ();
        virtual                 ~TestWhiteNoiseGen () {}

        void                            generate (DataType data_ptr [], long len);



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

protected:



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

private:

        typedef unsigned long   StateType;

        StateType               _rand_state;



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

private:

                                                TestWhiteNoiseGen (const TestWhiteNoiseGen &other);
        TestWhiteNoiseGen &
                                                operator = (const TestWhiteNoiseGen &other);