ShapeTri3.h

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// SPDX-FileCopyrightText: Copyright (c) OpenGeoSys Community (opengeosys.org)
// SPDX-License-Identifier: BSD-3-Clause
 
#pragma once
#include <array>
 
#include "MeshLib/Elements/Tri.h"
 
namespace NumLib
{
class ShapeTri3
{
public:
    template <class T_X, class T_N>
    static void computeShapeFunction(const T_X& r, T_N& N);

    template <class T_X, class T_N>
    static void computeGradShapeFunction(const T_X& r, T_N& dN);
 
    static constexpr std::array reference_element_centre = {1. / 3., 1. / 3.};
 
    using MeshElement = MeshLib::Tri;
    static const unsigned DIM = MeshElement::dimension;
    static const unsigned NPOINTS = MeshElement::n_all_nodes;
    static constexpr int ORDER = 1;
};
 
}  // namespace NumLib
 
#include "ShapeTri3-impl.h"