--- /dev/null
+/* -*- 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <gr_fir_fff_armv7_a.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdexcept>
+#include <assert.h>
+#include <gr_math.h>
+#include <dotprod_fff_armv7_a.h>
+
+#define FLOATS_PER_VEC 8
+
+gr_fir_fff_armv7_a::gr_fir_fff_armv7_a()
+ : gr_fir_fff_generic(),
+ d_naligned_taps(0), d_aligned_taps(0)
+{
+}
+
+gr_fir_fff_armv7_a::gr_fir_fff_armv7_a (const std::vector<float> &new_taps)
+ : gr_fir_fff_generic(new_taps),
+ d_naligned_taps(0), d_aligned_taps(0)
+{
+ set_taps(new_taps);
+}
+
+gr_fir_fff_armv7_a::~gr_fir_fff_armv7_a()
+{
+ if (d_aligned_taps){
+ free(d_aligned_taps);
+ d_aligned_taps = 0;
+ }
+}
+
+void
+gr_fir_fff_armv7_a::set_taps(const std::vector<float> &inew_taps)
+{
+ gr_fir_fff_generic::set_taps(inew_taps); // call superclass
+ d_naligned_taps = gr_p2_round_up(ntaps(), FLOATS_PER_VEC);
+
+ if (d_aligned_taps){
+ free(d_aligned_taps);
+ d_aligned_taps = 0;
+ }
+ void *p;
+ int r = posix_memalign(&p, sizeof(float), d_naligned_taps * sizeof(d_aligned_taps[0]));
+ if (r != 0){
+ throw std::bad_alloc();
+ }
+ d_aligned_taps = (float *) p;
+ memcpy(d_aligned_taps, &d_taps[0], ntaps() * sizeof(d_aligned_taps[0]));
+ for (size_t i = ntaps(); i < d_naligned_taps; i++)
+ d_aligned_taps[i] = 0.0;
+}
+
+
+float
+gr_fir_fff_armv7_a::filter (const float input[])
+{
+ if (d_naligned_taps == 0)
+ return 0.0;
+
+ return dotprod_fff_armv7_a(input, d_aligned_taps, d_naligned_taps);
+}