drifty/comaps
1
0
Fork 0
mirror of https://codeberg.org/comaps/comaps synced 2026-01-07 13:03:54 +00:00
Code Issues Packages Projects Releases Wiki Activity

[core] Implicit m2::Point hash

Browse Source 
Signed-off-by: x7z4w <x7z4w@noreply.codeberg.org>
This commit is contained in:
x7z4w
2025-11-24 17:34:56 +00:00
parent 546383d755
commit ffe07d3337
5 changed files with 24 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
libs/geometry/point2d.hpp
View File

@@ -4,6 +4,8 @@
#include "base/math.hpp"
#include "base/matrix.hpp"
#include <boost/container_hash/hash.hpp>
#include <array>
#include <cmath>
#include <limits>
@@ -145,11 +147,6 @@ public:
y = org.y + oldX * dx.y + y * dy.y;
}
/// @}
struct Hash
{
size_t operator()(Point const & p) const { return math::Hash(p.x, p.y); }
};
};
using PointF = Point<float>;
@@ -286,3 +283,15 @@ bool operator<(Point<T> const & l, Point<T> const & r)
return l.y < r.y;
}
} // namespace m2
template <typename T>
struct std::hash<m2::Point<T>>
{
size_t operator()(m2::Point<T> const & p) const
{
size_t seed = 0;
boost::hash_combine(seed, p.x);
boost::hash_combine(seed, p.y);
return seed;
}
};