6b4994c265
This follows suit with aeb036e in qtbase. Change-Id: Ie8580d0a1f38ab9858b0e44c9f99bdc552a1752a Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com> Reviewed-by: hjk <qthjk@ovi.com>
92 lines
2.3 KiB
C++
92 lines
2.3 KiB
C++
/*****************************************************************************
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FFTRealUseTrigo.hpp
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Copyright (c) 2005 Laurent de Soras
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--- Legal stuff ---
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*Tab=3***********************************************************************/
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#if defined (FFTRealUseTrigo_CURRENT_CODEHEADER)
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#error Recursive inclusion of FFTRealUseTrigo code header.
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#endif
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#define FFTRealUseTrigo_CURRENT_CODEHEADER
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#if ! defined (FFTRealUseTrigo_CODEHEADER_INCLUDED)
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#define FFTRealUseTrigo_CODEHEADER_INCLUDED
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/*\\\ INCLUDE FILES \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
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#include "OscSinCos.h"
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/*\\\ PUBLIC \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
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template <int ALGO>
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void FFTRealUseTrigo <ALGO>::prepare (OscType &osc)
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{
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osc.clear_buffers ();
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}
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template <>
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void FFTRealUseTrigo <0>::prepare (OscType &osc)
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{
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// Nothing
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}
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template <int ALGO>
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void FFTRealUseTrigo <ALGO>::iterate (OscType &osc, DataType &c, DataType &s, const DataType cos_ptr [], long index_c, long index_s)
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{
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osc.step ();
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c = osc.get_cos ();
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s = osc.get_sin ();
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}
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template <>
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void FFTRealUseTrigo <0>::iterate (OscType &osc, DataType &c, DataType &s, const DataType cos_ptr [], long index_c, long index_s)
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{
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c = cos_ptr [index_c];
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s = cos_ptr [index_s];
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}
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/*\\\ PROTECTED \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
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/*\\\ PRIVATE \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
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#endif // FFTRealUseTrigo_CODEHEADER_INCLUDED
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#undef FFTRealUseTrigo_CURRENT_CODEHEADER
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/*\\\ EOF \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
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