diff options
author | Marcus Müller <mmueller@gnuradio.org> | 2019-08-07 21:45:12 +0200 |
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committer | Marcus Müller <marcus@hostalia.de> | 2019-08-09 23:04:28 +0200 |
commit | f7bbf2c1d8d780294f3e016aff239ca35eb6516e (patch) | |
tree | e09ab6112e02b2215b2d59ac24d3d6ea2edac745 /gr-digital/lib/ofdm_equalizer_simpledfe.cc | |
parent | 78431dc6941e3acc67c858277dfe4a0ed583643c (diff) |
Tree: clang-format without the include sorting
Diffstat (limited to 'gr-digital/lib/ofdm_equalizer_simpledfe.cc')
-rw-r--r-- | gr-digital/lib/ofdm_equalizer_simpledfe.cc | 168 |
1 files changed, 83 insertions, 85 deletions
diff --git a/gr-digital/lib/ofdm_equalizer_simpledfe.cc b/gr-digital/lib/ofdm_equalizer_simpledfe.cc index f618ba5657..d324cdd8c8 100644 --- a/gr-digital/lib/ofdm_equalizer_simpledfe.cc +++ b/gr-digital/lib/ofdm_equalizer_simpledfe.cc @@ -1,18 +1,18 @@ /* -*- c++ -*- */ /* Copyright 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, @@ -26,94 +26,92 @@ #include <gnuradio/digital/ofdm_equalizer_simpledfe.h> namespace gr { - namespace digital { +namespace digital { - ofdm_equalizer_simpledfe::sptr - ofdm_equalizer_simpledfe::make( - int fft_len, - const gr::digital::constellation_sptr &constellation, - const std::vector<std::vector<int> > &occupied_carriers, - const std::vector<std::vector<int> > &pilot_carriers, - const std::vector<std::vector<gr_complex> > &pilot_symbols, - int symbols_skipped, - float alpha, - bool input_is_shifted) - { - return ofdm_equalizer_simpledfe::sptr( - new ofdm_equalizer_simpledfe( - fft_len, - constellation, - occupied_carriers, - pilot_carriers, - pilot_symbols, - symbols_skipped, - alpha, - input_is_shifted - ) - ); - } +ofdm_equalizer_simpledfe::sptr +ofdm_equalizer_simpledfe::make(int fft_len, + const gr::digital::constellation_sptr& constellation, + const std::vector<std::vector<int>>& occupied_carriers, + const std::vector<std::vector<int>>& pilot_carriers, + const std::vector<std::vector<gr_complex>>& pilot_symbols, + int symbols_skipped, + float alpha, + bool input_is_shifted) +{ + return ofdm_equalizer_simpledfe::sptr(new ofdm_equalizer_simpledfe(fft_len, + constellation, + occupied_carriers, + pilot_carriers, + pilot_symbols, + symbols_skipped, + alpha, + input_is_shifted)); +} - ofdm_equalizer_simpledfe::ofdm_equalizer_simpledfe( - int fft_len, - const gr::digital::constellation_sptr &constellation, - const std::vector<std::vector<int> > &occupied_carriers, - const std::vector<std::vector<int> > &pilot_carriers, - const std::vector<std::vector<gr_complex> > &pilot_symbols, - int symbols_skipped, - float alpha, - bool input_is_shifted) - : ofdm_equalizer_1d_pilots(fft_len, occupied_carriers, pilot_carriers, pilot_symbols, symbols_skipped, input_is_shifted), - d_constellation(constellation), - d_alpha(alpha) - { - } +ofdm_equalizer_simpledfe::ofdm_equalizer_simpledfe( + int fft_len, + const gr::digital::constellation_sptr& constellation, + const std::vector<std::vector<int>>& occupied_carriers, + const std::vector<std::vector<int>>& pilot_carriers, + const std::vector<std::vector<gr_complex>>& pilot_symbols, + int symbols_skipped, + float alpha, + bool input_is_shifted) + : ofdm_equalizer_1d_pilots(fft_len, + occupied_carriers, + pilot_carriers, + pilot_symbols, + symbols_skipped, + input_is_shifted), + d_constellation(constellation), + d_alpha(alpha) +{ +} - ofdm_equalizer_simpledfe::~ofdm_equalizer_simpledfe() - { - } +ofdm_equalizer_simpledfe::~ofdm_equalizer_simpledfe() {} - void - ofdm_equalizer_simpledfe::equalize(gr_complex *frame, - int n_sym, - const std::vector<gr_complex> &initial_taps, - const std::vector<tag_t> &tags) - { - if (!initial_taps.empty()) { - d_channel_state = initial_taps; - } - gr_complex sym_eq, sym_est; +void ofdm_equalizer_simpledfe::equalize(gr_complex* frame, + int n_sym, + const std::vector<gr_complex>& initial_taps, + const std::vector<tag_t>& tags) +{ + if (!initial_taps.empty()) { + d_channel_state = initial_taps; + } + gr_complex sym_eq, sym_est; - for (int i = 0; i < n_sym; i++) { - for (int k = 0; k < d_fft_len; k++) { - if (!d_occupied_carriers[k]) { - continue; - } - if (!d_pilot_carriers.empty() && d_pilot_carriers[d_pilot_carr_set][k]) { - d_channel_state[k] = d_alpha * d_channel_state[k] - + (1-d_alpha) * frame[i*d_fft_len + k] / d_pilot_symbols[d_pilot_carr_set][k]; - frame[i*d_fft_len+k] = d_pilot_symbols[d_pilot_carr_set][k]; - } else { - sym_eq = frame[i*d_fft_len+k] / d_channel_state[k]; - // The `map_to_points` function will treat `sym_est` as an array - // pointer. This call is "safe" because `map_to_points` is limited - // by the dimensionality of the constellation. This class calls the - // `constellation` class default constructor, which initializes the - // dimensionality value to `1`. Thus, Only the single `gr_complex` - // value will be dereferenced. - d_constellation->map_to_points(d_constellation->decision_maker(&sym_eq), &sym_est); - d_channel_state[k] = d_alpha * d_channel_state[k] - + (1-d_alpha) * frame[i*d_fft_len + k] / sym_est; - frame[i*d_fft_len+k] = sym_est; - } - } - if (!d_pilot_carriers.empty()) { - d_pilot_carr_set = (d_pilot_carr_set + 1) % d_pilot_carriers.size(); - } - } + for (int i = 0; i < n_sym; i++) { + for (int k = 0; k < d_fft_len; k++) { + if (!d_occupied_carriers[k]) { + continue; + } + if (!d_pilot_carriers.empty() && d_pilot_carriers[d_pilot_carr_set][k]) { + d_channel_state[k] = d_alpha * d_channel_state[k] + + (1 - d_alpha) * frame[i * d_fft_len + k] / + d_pilot_symbols[d_pilot_carr_set][k]; + frame[i * d_fft_len + k] = d_pilot_symbols[d_pilot_carr_set][k]; + } else { + sym_eq = frame[i * d_fft_len + k] / d_channel_state[k]; + // The `map_to_points` function will treat `sym_est` as an array + // pointer. This call is "safe" because `map_to_points` is limited + // by the dimensionality of the constellation. This class calls the + // `constellation` class default constructor, which initializes the + // dimensionality value to `1`. Thus, Only the single `gr_complex` + // value will be dereferenced. + d_constellation->map_to_points(d_constellation->decision_maker(&sym_eq), + &sym_est); + d_channel_state[k] = d_alpha * d_channel_state[k] + + (1 - d_alpha) * frame[i * d_fft_len + k] / sym_est; + frame[i * d_fft_len + k] = sym_est; + } + } + if (!d_pilot_carriers.empty()) { + d_pilot_carr_set = (d_pilot_carr_set + 1) % d_pilot_carriers.size(); + } } +} - } /* namespace digital */ +} /* namespace digital */ } /* namespace gr */ - |