64 lines
2.0 KiB
C++
64 lines
2.0 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 2012-2015 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef __UTIL_COORD_BASE_HPP
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#define __UTIL_COORD_BASE_HPP
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#include "init.hpp"
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#include <algorithm>
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#include <cstdlib>
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namespace util { namespace coord {
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/////////////////////////////////////////////////////////////////////////
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template <size_t S, typename T, typename ...tags>
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struct base : public init <S,T,tags...> {
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static_assert (S > 0, "coord dimensions must be strictly positive");
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typedef T value_type;
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static constexpr size_t dimension = S;
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static constexpr size_t elements = S;
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size_t size (void) const { return S; }
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// constructors
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using init<S,T,tags...>::init;
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base () = default;
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explicit base (T v)
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{ std::fill (std::begin (this->data), std::end (this->data), v); }
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base (const base<S,T,tags...> &rhs) = default;
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base& operator= (const base<S,T,tags...> &rhs) = default;
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// element accessors
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T& operator[] (size_t i) { return this->data[i]; }
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T operator[] (size_t i) const { return this->data[i]; }
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const T* begin (void) const { return std::begin (this->data); }
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const T* end (void) const { return std::end (this->data); }
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T* begin (void) { return std::begin (this->data); }
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T* end (void) { return std::end (this->data); }
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};
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} }
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#endif
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