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author | Tom Rondeau | 2012-04-19 16:29:39 -0400 |
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committer | Tom Rondeau | 2012-04-23 19:56:14 -0400 |
commit | 362d45bb829a9b190586cca79717cc175f4d06d2 (patch) | |
tree | 15001c96271defad12908e24958aabd158d5159a /gr-digital/lib/digital_diff_phasor_cc.cc | |
parent | 6d1419febab128d82bad00abaf0935624f8aa6cb (diff) | |
download | gnuradio-362d45bb829a9b190586cca79717cc175f4d06d2.tar.gz gnuradio-362d45bb829a9b190586cca79717cc175f4d06d2.tar.bz2 gnuradio-362d45bb829a9b190586cca79717cc175f4d06d2.zip |
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.cc | 61 |
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; +} |