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ton/tdfec/td/fec/raptorq/RawEncoder.cpp

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2019-09-07 10:03:22 +00:00
/*
This file is part of TON Blockchain Library.
TON Blockchain Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
TON Blockchain Library 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
2020-04-10 19:06:01 +00:00
Copyright 2017-2020 Telegram Systems LLP
2019-09-07 10:03:22 +00:00
*/
#include "td/fec/raptorq/RawEncoder.h"
namespace td {
namespace raptorq {
void RawEncoder::gen_symbol(uint32 id, MutableSlice to) const {
CHECK(to.size() == symbol_size());
d_.set_zero();
p_.encoding_row_for_each(p_.get_encoding_row(id), [&](auto row) { d_.row_add(0, C_.row(row)); });
to.copy_from(d_.row(0).truncate(symbol_size()));
}
} // namespace raptorq
} // namespace td