TetRule4.h

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#pragma once
 
#include "EdgeReturn.h"
#include "Element.h"
#include "TetRule.h"
 
namespace MeshLib
{
 
class TetRule4 : public TetRule
{
public:
    static const unsigned n_all_nodes = 4u;
 
    static const CellType cell_type = CellType::TET4;
 
    constexpr static const unsigned face_nodes[4][3] = {
        {0, 2, 1},  // Face 0
        {0, 1, 3},  // Face 1
        {1, 2, 3},  // Face 2
        {2, 0, 3}   // Face 3
    };
 
    constexpr static const unsigned edge_nodes[6][2] = {
        {0, 1},  // Edge 0
        {1, 2},  // Edge 1
        {0, 2},  // Edge 2
        {0, 3},  // Edge 3
        {1, 3},  // Edge 4
        {2, 3}   // Edge 5
    };
 
    using EdgeReturn = MeshLib::LinearEdgeReturn;
 
    static const Element* getFace(const Element* e, unsigned i);
 
    static unsigned identifyFace(Node const* const* element_nodes,
                                 Node const* nodes[3])
    {
        return CellRule::identifyFace<TetRule4>(element_nodes, nodes);
    }
}; /* class */
 
}  // namespace MeshLib