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authorMichael Goddard <michael.goddard@nokia.com>2011-07-12 17:09:15 +1000
committerQt by Nokia <qt-info@nokia.com>2011-07-14 06:43:07 +0200
commite4f42348f1a7bbadc00d281e17f91b1bf04dead9 (patch)
tree517da82c042439bb4cb326f9a6c61cf5c15a302a /examples/spectrum/3rdparty/fftreal/FFTRealUseTrigo.hpp
parent1d82a1e1b47cb599480346d9ad77e35461c72d9a (diff)
Move the QtMultimedia spectrum demo to QtMultimediaKit
Change-Id: I60d7897eb84dfbe2ce5af5adeb23b33270aa7d7c Reviewed-on: http://codereview.qt.nokia.com/1483 Reviewed-by: Jonas Rabbe <jonas.rabbe@nokia.com>
Diffstat (limited to 'examples/spectrum/3rdparty/fftreal/FFTRealUseTrigo.hpp')
-rw-r--r--examples/spectrum/3rdparty/fftreal/FFTRealUseTrigo.hpp91
1 files changed, 91 insertions, 0 deletions
diff --git a/examples/spectrum/3rdparty/fftreal/FFTRealUseTrigo.hpp b/examples/spectrum/3rdparty/fftreal/FFTRealUseTrigo.hpp
new file mode 100644
index 000000000..aa968b81a
--- /dev/null
+++ b/examples/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 \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/