gnss-sdr/src/algorithms/libs/conjugate_ic.cc

48 lines
1.5 KiB
C++

/*!
* \file conjugate_ic.cc
* \brief Conjugate a stream of lv_8sc_t ( std::complex<char> )
* \author Carles Fernandez Prades, cfernandez(at)cttc.es
*
*
* -----------------------------------------------------------------------------
*
* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
* This file is part of GNSS-SDR.
*
* Copyright (C) 2010-2020 (see AUTHORS file for a list of contributors)
* SPDX-License-Identifier: GPL-3.0-or-later
*
* -----------------------------------------------------------------------------
*/
#include "conjugate_ic.h"
#include <gnuradio/io_signature.h>
#include <volk_gnsssdr/volk_gnsssdr.h>
#include <algorithm> // for max
conjugate_ic_sptr make_conjugate_ic()
{
return conjugate_ic_sptr(new conjugate_ic());
}
conjugate_ic::conjugate_ic() : gr::sync_block("conjugate_ic",
gr::io_signature::make(1, 1, sizeof(lv_8sc_t)),
gr::io_signature::make(1, 1, sizeof(lv_8sc_t)))
{
const auto alignment_multiple = static_cast<int>(volk_gnsssdr_get_alignment() / sizeof(lv_8sc_t));
set_alignment(std::max(1, alignment_multiple));
}
int conjugate_ic::work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
const auto *in = reinterpret_cast<const lv_8sc_t *>(input_items[0]);
auto *out = reinterpret_cast<lv_8sc_t *>(output_items[0]);
volk_gnsssdr_8ic_conjugate_8ic(out, in, noutput_items);
return noutput_items;
}