74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
/*
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* This file is part of libgim.
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*
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* libgim is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* libgim is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License
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* along with libgim. If not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright 2011-14 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef __UTIL_POINT_HPP
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#define __UTIL_POINT_HPP
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#include "vector.hpp"
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#include "detail/coord.hpp"
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#include <array>
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#include <initializer_list>
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#include <iostream>
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namespace util {
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/// An n-dimensional position in space.
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template <size_t S>
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struct point : public detail::coord_data<S> {
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static_assert (S > 0, "point dimensions must be strictly positive.");
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point ();
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template <typename... T>
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point (T ...t): detail::coord_data<S> {std::forward<T> (t)...} { ; }
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double distance (const point &) const;
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double distance2 (const point &) const;
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double manhattan (const point &) const;
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point<S>& operator*= (double);
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point<S> operator* (double) const;
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point<S> operator- (const point<S>&) const;
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point<S> operator- (const util::vector<S>&) const;
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point<S>& operator-= (const util::vector<S>&);
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point<S> operator+ (const util::vector<S>&) const;
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point<S>& operator+= (const util::vector<S>&);
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util::vector<S> to (const point<S>&) const;
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template <size_t D> point<D> redim (void) const;
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void sanity (void) const;
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};
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typedef point<2> point2;
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typedef point<3> point3;
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template <size_t S> point<S> operator* (const vector<S>&, const point<S>&);
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template <size_t S> point<S> operator* (const point<S>&, const vector<S>&);
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template <size_t S>
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std::ostream& operator<< (std::ostream&, const util::point<S>&);
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}
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#include "point.ipp"
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#endif // __UTIL_POINT_HPP
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