78 lines
2.1 KiB
C++
78 lines
2.1 KiB
C++
// Copyright (c) 2010-2025, Lawrence Livermore National Security, LLC. Produced
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// at the Lawrence Livermore National Laboratory. All Rights reserved. See files
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// LICENSE and NOTICE for details. LLNL-CODE-806117.
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//
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// This file is part of the MFEM library. For more information and source code
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// availability visit https://mfem.org.
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//
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// MFEM is free software; you can redistribute it and/or modify it under the
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// terms of the BSD-3 license. We welcome feedback and contributions, see file
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// CONTRIBUTING.md for details.
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#ifndef MFEM_POINT
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#define MFEM_POINT
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#include "../config/config.hpp"
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#include "element.hpp"
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namespace mfem
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{
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/// Data type point element
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class Point : public Element
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{
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protected:
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int indices[1];
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public:
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typedef Geometry::Constants<Geometry::POINT> geom_t;
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Point() : Element(Geometry::POINT) {}
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/// Constructs point by specifying the indices and the attribute.
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Point(const int *ind, int attr = 1);
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/// Return element's type.
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Type GetType() const override { return Element::POINT; }
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/// Get the indices defining the vertices
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void GetVertices(Array<int> &v) const override;
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/// Set the indices defining the vertices
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void SetVertices(const Array<int> &v) override;
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/// @note The returned array should NOT be deleted by the caller.
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int *GetVertices() override { return indices; }
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/// Set the vertices according to the given input.
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void SetVertices(const int *ind) override;
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int GetNVertices() const override { return 1; }
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int GetNEdges() const override { return (0); }
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const int *GetEdgeVertices(int ei) const override { return NULL; }
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/// @deprecated Use GetNFaces(void) and GetNFaceVertices(int) instead.
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MFEM_DEPRECATED int GetNFaces(int &nFaceVertices) const override
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{ nFaceVertices = 0; return 0; }
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int GetNFaces() const override { return 0; }
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int GetNFaceVertices(int) const override { return 0; }
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const int *GetFaceVertices(int fi) const override { return NULL; }
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Element *Duplicate(Mesh *m) const override
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{ return new Point(indices, attribute); }
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virtual ~Point() = default;
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};
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class PointFiniteElement;
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extern MFEM_EXPORT PointFiniteElement PointFE;
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}
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#endif
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