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/*****************************************************************************
FFTRealUseTrigo.hpp
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 (FFTRealUseTrigo_CURRENT_CODEHEADER)
#error Recursive inclusion of FFTRealUseTrigo code header.
#endif
#define FFTRealUseTrigo_CURRENT_CODEHEADER
#if ! defined (FFTRealUseTrigo_CODEHEADER_INCLUDED)
#define FFTRealUseTrigo_CODEHEADER_INCLUDED
/*\\\ INCLUDE FILES \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
#include "OscSinCos.h"
/*\\\ PUBLIC \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
template <int ALGO>
void FFTRealUseTrigo <ALGO>::prepare (OscType &osc)
{
osc.clear_buffers ();
}
template <>
void FFTRealUseTrigo <0>::prepare (OscType &osc)
{
// Nothing
}
template <int ALGO>
void FFTRealUseTrigo <ALGO>::iterate (OscType &osc, DataType &c, DataType &s, const DataType cos_ptr [], long index_c, long index_s)
{
osc.step ();
c = osc.get_cos ();
s = osc.get_sin ();
}
template <>
void FFTRealUseTrigo <0>::iterate (OscType &osc, DataType &c, DataType &s, const DataType cos_ptr [], long index_c, long index_s)
{
c = cos_ptr [index_c];
s = cos_ptr [index_s];
}
/*\\\ PROTECTED \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
/*\\\ PRIVATE \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
#endif // FFTRealUseTrigo_CODEHEADER_INCLUDED
#undef FFTRealUseTrigo_CURRENT_CODEHEADER
/*\\\ EOF \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
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