Axis.h

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//=======================================================================================
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//
//  This file is part of VirtualFluids. VirtualFluids 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.
//
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//  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
//  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
//  for more details.
//
//  SPDX-License-Identifier: GPL-3.0-or-later
//  SPDX-FileCopyrightText: Copyright © VirtualFluids Project contributors, see AUTHORS.md in root folder
//
//=======================================================================================
#ifndef AXIS
#define AXIS
 
#include <array>
#include <map>
#include <string>
 
enum Axis {
    x = 0,
    y = 1,
    z = 2,
};
 
namespace axis
{
 
const std::map<Axis, std::array<double, 3>> unitVectors{ { x, { 1, 0, 0 } },
                                                         { y, { 0, 1, 0 } },
                                                         { z, { 0, 0, 1 } } };
 
std::string to_string(Axis axis);
 
const std::array<Axis, 3> allAxes = { Axis::x, Axis::y, Axis::z };
 
} // namespace axis
 
#endif