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-rw-r--r--demos/spectrum/3rdparty/fftreal/FFTRealUseTrigo.hpp91
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diff --git a/demos/spectrum/3rdparty/fftreal/FFTRealUseTrigo.hpp b/demos/spectrum/3rdparty/fftreal/FFTRealUseTrigo.hpp
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index 0000000..aa968b8
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+++ b/demos/spectrum/3rdparty/fftreal/FFTRealUseTrigo.hpp
@@ -0,0 +1,91 @@
+/*****************************************************************************
+
+ 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 \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/