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authorTom Rondeau2012-04-19 16:29:39 -0400
committerTom Rondeau2012-04-23 19:56:14 -0400
commit362d45bb829a9b190586cca79717cc175f4d06d2 (patch)
tree15001c96271defad12908e24958aabd158d5159a /gr-digital/lib/digital_diff_phasor_cc.cc
parent6d1419febab128d82bad00abaf0935624f8aa6cb (diff)
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digital: copying over rest of blocks from gnuradio-core to gr-digital.
Includes moving GRC and QA code; new ones where missing. Have not removed blocks from gnuradio-core for compatibility.
Diffstat (limited to 'gr-digital/lib/digital_diff_phasor_cc.cc')
-rw-r--r--gr-digital/lib/digital_diff_phasor_cc.cc61
1 files changed, 61 insertions, 0 deletions
diff --git a/gr-digital/lib/digital_diff_phasor_cc.cc b/gr-digital/lib/digital_diff_phasor_cc.cc
new file mode 100644
index 000000000..8313a4de8
--- /dev/null
+++ b/gr-digital/lib/digital_diff_phasor_cc.cc
@@ -0,0 +1,61 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2006,2010,2012 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 GNU Radio; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <digital_diff_phasor_cc.h>
+#include <gr_io_signature.h>
+
+digital_diff_phasor_cc_sptr
+digital_make_diff_phasor_cc ()
+{
+ return gnuradio::get_initial_sptr(new digital_diff_phasor_cc());
+}
+
+digital_diff_phasor_cc::digital_diff_phasor_cc ()
+ : gr_sync_block ("diff_phasor_cc",
+ gr_make_io_signature (1, 1, sizeof (gr_complex)),
+ gr_make_io_signature (1, 1, sizeof (gr_complex)))
+{
+ set_history(2);
+}
+
+
+digital_diff_phasor_cc::~digital_diff_phasor_cc(){}
+
+int
+digital_diff_phasor_cc::work (int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items)
+{
+ gr_complex const *in = (const gr_complex *) input_items[0];
+ gr_complex *out = (gr_complex *) output_items[0];
+ in += 1; // ensure that i - 1 is valid.
+
+ for(int i = 0; i < noutput_items; i++) {
+ out[i] = in[i] * conj(in[i-1]);
+ }
+
+ return noutput_items;
+}