Merge commit 'v3.3.0' into upstream

[debian/gnuradio] / gnuradio-core / src / lib / filter / gr_fir_fff_armv7_a.h

diff --git a/gnuradio-core/src/lib/filter/gr_fir_fff_armv7_a.h b/gnuradio-core/src/lib/filter/gr_fir_fff_armv7_a.h
new file mode 100644 (file)
index 0000000..d6097cf
--- /dev/null
+++ b/gnuradio-core/src/lib/filter/gr_fir_fff_armv7_a.h
@@ -0,0 +1,45 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2008,2009 Free Software Foundation, Inc.
+ * 
+ * This file is part of GNU Radio
+ * 
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ * 
+ * GNU Radio 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 General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef INCLUDED_GR_FIR_FFF_ARMV7_A_H
+#define INCLUDED_GR_FIR_FFF_ARMV7_A_H
+
+#include <gr_fir_fff_generic.h>
+
+/*!
+ * \brief armv7_a using NEON coprocessor version of gr_fir_fff
+ */
+class gr_fir_fff_armv7_a : public gr_fir_fff_generic
+{
+protected:
+
+  size_t    d_naligned_taps;  // number of taps (multiple of 4)
+  float           *d_aligned_taps;   // 16-byte aligned, and zero padded to multiple of 4
+
+public:
+  gr_fir_fff_armv7_a();
+  gr_fir_fff_armv7_a(const std::vector<float> &taps);
+  ~gr_fir_fff_armv7_a();
+
+  virtual void set_taps (const std::vector<float> &taps);
+  virtual float filter (const float input[]);
+};
+
+#endif /* INCLUDED_GR_FIR_FFF_ARMV7_A*_H */