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/* -*- c++ -*- */
/*
* Copyright 2022 Daniel Estevez <daniel@destevez.net>.
*
* This file is part of gr-satellites
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#ifndef INCLUDED_SATELLITES_PHASE_UNWRAP_IMPL_H
#define INCLUDED_SATELLITES_PHASE_UNWRAP_IMPL_H
#include <gnuradio/math.h>
#include <satellites/phase_unwrap.h>
#include <cstdint>
namespace gr {
namespace satellites {
class phase_unwrap_impl : public phase_unwrap
{
private:
int64_t d_integer_cycles;
float d_last_phase;
// Implementation taken from gr::block::control_loop but modified to yield
// values in [0, 2pi).
inline float phase_wrap(float phase) const
{
while (phase > (2 * GR_M_PI))
phase -= 2 * GR_M_PI;
while (phase < 0)
phase += 2 * GR_M_PI;
return phase;
}
public:
phase_unwrap_impl();
~phase_unwrap_impl();
int work(int noutput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items);
};
} // namespace satellites
} // namespace gr
#endif /* INCLUDED_SATELLITES_PHASE_UNWRAP_IMPL_H */
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