77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
// Copyright (c) 2010-2020, 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_QUADRILATERAL
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#define MFEM_QUADRILATERAL
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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 quadrilateral element
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class Quadrilateral : public Element
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{
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protected:
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int indices[4];
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public:
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typedef Geometry::Constants<Geometry::SQUARE> geom_t;
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Quadrilateral() : Element(Geometry::SQUARE) {}
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/// Constructs quadrilateral by specifying the indices and the attribute.
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Quadrilateral(const int *ind, int attr = 1);
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/// Constructs quadrilateral by specifying the indices and the attribute.
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Quadrilateral(int ind1, int ind2, int ind3, int ind4, int attr = 1);
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/// Return element's type
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Type GetType() const { return Element::QUADRILATERAL; }
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/// Set the vertices according to the given input.
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virtual void SetVertices(const int *ind);
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/// Returns the indices of the element's vertices.
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virtual void GetVertices(Array<int> &v) const;
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virtual int *GetVertices() { return indices; }
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virtual int GetNVertices() const { return 4; }
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virtual int GetNEdges() const { return (4); }
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virtual const int *GetEdgeVertices(int ei) const
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{ return geom_t::Edges[ei]; }
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/// @deprecated Use GetNFaces(void) and GetNFaceVertices(int) instead.
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MFEM_DEPRECATED virtual int GetNFaces(int &nFaceVertices) const
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{ nFaceVertices = 0; return 0; }
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virtual int GetNFaces() const { return 0; }
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virtual int GetNFaceVertices(int) const { return 0; }
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virtual const int *GetFaceVertices(int fi) const { return NULL; }
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virtual Element *Duplicate(Mesh *m) const
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{ return new Quadrilateral(indices, attribute); }
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virtual ~Quadrilateral() { }
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};
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extern class BiLinear2DFiniteElement QuadrilateralFE;
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}
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#endif
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