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/* -*- c++ -*- */
/*
* Copyright 2020 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "correctiq_impl.h"
#include <gnuradio/io_signature.h>
namespace gr {
namespace blocks {
correctiq::sptr correctiq::make() { return gnuradio::make_block_sptr<correctiq_impl>(); }
/*
* The private constructor
*/
correctiq_impl::correctiq_impl()
: gr::sync_block("correctiq",
gr::io_signature::make(1, 1, sizeof(gr_complex)),
gr::io_signature::make(1, 1, sizeof(gr_complex))),
d_avg_real(0.0),
d_avg_img(0.0),
d_ratio(1e-05f)
{
}
/*
* Our virtual destructor.
*/
correctiq_impl::~correctiq_impl() {}
int correctiq_impl::work(int noutput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items)
{
const gr_complex* in = (const gr_complex*)input_items[0];
gr_complex* out = (gr_complex*)output_items[0];
for (int i = 0; i < noutput_items; i++) {
d_avg_real = d_ratio * (in[i].real() - d_avg_real) + d_avg_real;
d_avg_img = d_ratio * (in[i].imag() - d_avg_img) + d_avg_img;
out[i].real(in[i].real() - d_avg_real);
out[i].imag(in[i].imag() - d_avg_img);
}
// Tell runtime system how many output items we produced.
return noutput_items;
}
} /* namespace blocks */
} /* namespace gr */
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