| /***************************************************************************** |
| |
| 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 |
| |
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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> |
| 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]; |
| } |
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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 \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/ |
