103 lines
3.5 KiB
C++
103 lines
3.5 KiB
C++
/*
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Copyright (c) 2016, Project OSRM contributors
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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Redistributions of source code must retain the above copyright notice, this list
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of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or
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other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef COORDINATE_HPP_
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#define COORDINATE_HPP_
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#include "util/strong_typedef.hpp"
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#include <iosfwd> //for std::ostream
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#include <string>
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#include <type_traits>
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#include <cstddef>
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namespace osrm
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{
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constexpr const double COORDINATE_PRECISION = 1e6;
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namespace util
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{
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OSRM_STRONG_TYPEDEF(int32_t, FixedLatitude)
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OSRM_STRONG_TYPEDEF(int32_t, FixedLongitude)
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OSRM_STRONG_TYPEDEF(double, FloatLatitude)
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OSRM_STRONG_TYPEDEF(double, FloatLongitude)
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inline FixedLatitude toFixed(const FloatLatitude floating)
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{
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return FixedLatitude(static_cast<double>(floating) * COORDINATE_PRECISION);
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}
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inline FixedLongitude toFixed(const FloatLongitude floating)
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{
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return FixedLongitude(static_cast<double>(floating) * COORDINATE_PRECISION);
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}
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inline FloatLatitude toFloating(const FixedLatitude fixed)
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{
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return FloatLatitude(static_cast<int32_t>(fixed) / COORDINATE_PRECISION);
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}
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inline FloatLongitude toFloating(const FixedLongitude fixed)
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{
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return FloatLongitude(static_cast<int32_t>(fixed) / COORDINATE_PRECISION);
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}
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// Coordinate encoded as longitude, latitude
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struct Coordinate
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{
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FixedLongitude lon;
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FixedLatitude lat;
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Coordinate();
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Coordinate(const FixedLongitude lon_, const FixedLatitude lat_);
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Coordinate(const FloatLongitude lon_, const FloatLatitude lat_);
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template <class T> Coordinate(const T &coordinate) : lon(coordinate.lon), lat(coordinate.lat)
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{
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static_assert(!std::is_same<T, Coordinate>::value,
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"This constructor should not be used for Coordinates");
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static_assert(std::is_same<decltype(lon), decltype(coordinate.lon)>::value,
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"coordinate types incompatible");
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static_assert(std::is_same<decltype(lat), decltype(coordinate.lat)>::value,
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"coordinate types incompatible");
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}
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bool IsValid() const;
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friend bool operator==(const Coordinate lhs, const Coordinate rhs);
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friend bool operator!=(const Coordinate lhs, const Coordinate rhs);
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friend std::ostream &operator<<(std::ostream &out, const Coordinate coordinate);
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};
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bool operator==(const Coordinate lhs, const Coordinate rhs);
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std::ostream &operator<<(std::ostream &out, const Coordinate coordinate);
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}
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}
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#endif /* COORDINATE_HPP_ */
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