72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
/*
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* Copyright 2016 The Cartographer Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef CARTOGRAPHER_COMMON_PORT_H_
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#define CARTOGRAPHER_COMMON_PORT_H_
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#include <cinttypes>
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#include <cmath>
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#include <string>
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#include <boost/iostreams/device/back_inserter.hpp>
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#include <boost/iostreams/filter/gzip.hpp>
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#include <boost/iostreams/filtering_stream.hpp>
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using int8 = int8_t;
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using int16 = int16_t;
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using int32 = int32_t;
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using int64 = int64_t;
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using uint8 = uint8_t;
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using uint16 = uint16_t;
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using uint32 = uint32_t;
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using uint64 = uint64_t;
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using std::string;
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namespace cartographer {
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namespace common {
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inline int RoundToInt(const float x) { return std::lround(x); }
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inline int RoundToInt(const double x) { return std::lround(x); }
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inline int64 RoundToInt64(const float x) { return std::lround(x); }
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inline int64 RoundToInt64(const double x) { return std::lround(x); }
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inline void FastGzipString(const string& uncompressed, string* compressed) {
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boost::iostreams::filtering_ostream out;
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out.push(
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boost::iostreams::gzip_compressor(boost::iostreams::zlib::best_speed));
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out.push(boost::iostreams::back_inserter(*compressed));
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boost::iostreams::write(out,
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reinterpret_cast<const char*>(uncompressed.data()),
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uncompressed.size());
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}
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inline void FastGunzipString(const string& compressed, string* decompressed) {
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boost::iostreams::filtering_ostream out;
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out.push(boost::iostreams::gzip_decompressor());
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out.push(boost::iostreams::back_inserter(*decompressed));
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boost::iostreams::write(out, reinterpret_cast<const char*>(compressed.data()),
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compressed.size());
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}
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} // namespace common
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} // namespace cartographer
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#endif // CARTOGRAPHER_COMMON_PORT_H_
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