45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
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#pragma once
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#include "base/math.hpp"
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#include <string>
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namespace ms
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{
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/// \brief Class for representing WGS point.
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class LatLon
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{
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public:
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static double constexpr kMinLat = -90.0;
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static double constexpr kMaxLat = 90.0;
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static double constexpr kMinLon = -180.0;
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static double constexpr kMaxLon = 180.0;
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static double constexpr kInvalid = -1000.0;
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// Default values are invalid.
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double m_lat = kInvalid;
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double m_lon = kInvalid;
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constexpr LatLon() = default;
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constexpr LatLon(double lat, double lon) : m_lat(lat), m_lon(lon) {}
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static constexpr LatLon Invalid() { return LatLon(kInvalid, kInvalid); }
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static constexpr LatLon Zero() { return LatLon(0.0, 0.0); }
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bool constexpr IsValid() const { return m_lat != kInvalid && m_lon != kInvalid; }
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bool operator==(LatLon const & rhs) const;
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bool operator<(LatLon const & rhs) const;
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bool EqualDxDy(LatLon const & p, double eps) const;
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struct Hash
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{
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size_t operator()(ms::LatLon const & p) const { return math::Hash(p.m_lat, p.m_lon); }
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};
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};
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bool AlmostEqualAbs(LatLon const & ll1, LatLon const & ll2, double eps);
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std::string DebugPrint(LatLon const & t);
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} // namespace ms
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