38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
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// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2021 Barend Gehrels, Amsterdam, the Netherlands.
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef GEOMETRY_TEST_GEOMETRY_TO_CRC_HPP
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#define GEOMETRY_TEST_GEOMETRY_TO_CRC_HPP
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#include <boost/geometry/io/wkt/wkt.hpp>
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#include <boost/crc.hpp>
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#include <iomanip>
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#include <string>
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// Convenience function for tests, it generates a 4 character CRC of a geometry
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// which can be used in filenames and/or testcases such as 'nores_37f6'
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template <typename Geometry>
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inline std::string geometry_to_crc(Geometry const& geometry)
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{
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std::ostringstream out1;
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out1 << bg::wkt(geometry);
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const std::string str = out1.str();
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boost::crc_ccitt_type result;
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result.process_bytes(str.data(), str.length());
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std::ostringstream out2;
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out2 << std::setw(4) << std::setfill('0') << std::hex << result.checksum();
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return out2.str();
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}
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#endif // GEOMETRY_TEST_GEOMETRY_TO_CRC_HPP
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