DoorKeeper/include/doorkeeper/implem/vector.hpp

/* Copyright 2015, Michele Santullo
 * This file is part of DoorKeeper.
 *
 * DoorKeeper is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * DoorKeeper is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with DoorKeeper.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef id134A9223C9F7403B9BC600DCAC4875BC
#define id134A9223C9F7403B9BC600DCAC4875BC

#include "vectorwrapper/vectorwrapper.hpp"
#include <cstdint>
#include <cstddef>
#include <array>
#if defined(WITH_VECTOR_IOSTREAM)
#	include <iostream>
#endif

namespace vwr {
	template <typename T, std::size_t D>
	struct VectorWrapperInfo<std::array<T, D>> {
		enum {
			dimensions = D
		};

		typedef T scalar_type;
		typedef std::array<T, D> vector_type;
		typedef std::array<T, D+1> higher_vector_type;
		typedef std::array<T, D-1> lower_vector_type;

		static scalar_type& get_at (std::size_t parIndex, vector_type& parVector) {
			return parVector[parIndex];
		}
	};
	template <typename T>
	struct VectorWrapperInfo<std::array<T, 1>> {
		enum {
			dimensions = 1
		};

		typedef T scalar_type;
		typedef std::array<T, 1> vector_type;
		typedef std::array<T, 2> higher_vector_type;

		static scalar_type& get_at (std::size_t, vector_type& parVector) {
			return parVector[0];
		}
	};

#if defined(WITH_VECTOR_IOSTREAM)
	template <typename V>
	std::ostream& operator<< (std::ostream& parStream, const vwr::Vec<V>& parVec) {
		const int dim = vwr::Vec<V>::dimensions;
		parStream << '<';
		for (int z = 0; z < dim - 1; ++z) {
			parStream << parVec[z] << ", ";
		}
		parStream << parVec[dim - 1] << '>';
		return parStream;
	}
#endif
} //namespace vwr

#endif