TriRule3.h

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// SPDX-FileCopyrightText: Copyright (c) OpenGeoSys Community (opengeosys.org)
// SPDX-License-Identifier: BSD-3-Clause
 
#pragma once
 
#include "EdgeReturn.h"
#include "Element.h"
#include "TriRule.h"
 
namespace MeshLib
{

class TriRule3 : public TriRule
{
public:
    static const unsigned n_all_nodes = 3u;

    static const CellType cell_type = CellType::TRI3;

    constexpr static const unsigned edge_nodes[3][2] = {
        {0, 1},  // Edge 0
        {1, 2},  // Edge 1
        {2, 0},  // Edge 2
    };

    using EdgeReturn = MeshLib::LinearEdgeReturn;

    static unsigned identifyFace(Node const* const* element_nodes,
                                 Node const* nodes[2])
    {
        return FaceRule::identifyFace<TriRule3>(element_nodes, nodes);
    }
 
}; /* class */
 
}  // namespace MeshLib