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gnss-sdr/src/algorithms/libs/conjugate_cc.cc
Carles Fernandez 4d0d263280
Make the software package compliant with the REUSE Specification v3.0 (see https://reuse.software/spec/)
Update license headers to SPDX format (see https://spdx.org/)
Add license to all files
Add CI job in GitHub Actions to ensure compliance
2020-02-08 01:20:02 +01:00

50 lines
1.4 KiB
C++

/*!
* \file conjugate_cc.cc
* \brief Conjugate a stream of gr_complex
* \author Carles Fernandez Prades, cfernandez(at)cttc.es
*
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2019 (see AUTHORS file for a list of contributors)
*
* GNSS-SDR is a software defined Global Navigation
* Satellite Systems receiver
*
* This file is part of GNSS-SDR.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
* -------------------------------------------------------------------------
*/
#include "conjugate_cc.h"
#include <gnuradio/io_signature.h>
#include <volk/volk.h>
#include <algorithm> // for max
conjugate_cc_sptr make_conjugate_cc()
{
return conjugate_cc_sptr(new conjugate_cc());
}
conjugate_cc::conjugate_cc() : gr::sync_block("conjugate_cc",
gr::io_signature::make(1, 1, sizeof(gr_complex)),
gr::io_signature::make(1, 1, sizeof(gr_complex)))
{
const int alignment_multiple = volk_get_alignment() / sizeof(gr_complex);
set_alignment(std::max(1, alignment_multiple));
}
int conjugate_cc::work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
const auto *in = reinterpret_cast<const gr_complex *>(input_items[0]);
auto *out = reinterpret_cast<gr_complex *>(output_items[0]);
volk_32fc_conjugate_32fc(out, in, noutput_items);
return noutput_items;
}