81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
// Copyright (c) 2010-2025, Lawrence Livermore National Security, LLC. Produced
|
|
// at the Lawrence Livermore National Laboratory. All Rights reserved. See files
|
|
// LICENSE and NOTICE for details. LLNL-CODE-806117.
|
|
//
|
|
// This file is part of the MFEM library. For more information and source code
|
|
// availability visit https://mfem.org.
|
|
//
|
|
// MFEM is free software; you can redistribute it and/or modify it under the
|
|
// terms of the BSD-3 license. We welcome feedback and contributions, see file
|
|
// CONTRIBUTING.md for details.
|
|
|
|
#ifndef MFEM_SEGMENT
|
|
#define MFEM_SEGMENT
|
|
|
|
#include "../config/config.hpp"
|
|
#include "element.hpp"
|
|
|
|
namespace mfem
|
|
{
|
|
|
|
/// Data type line segment element
|
|
class Segment : public Element
|
|
{
|
|
protected:
|
|
int indices[2];
|
|
|
|
public:
|
|
typedef Geometry::Constants<Geometry::SEGMENT> geom_t;
|
|
|
|
Segment() : Element(Geometry::SEGMENT) {}
|
|
|
|
/// Constructs triangle by specifying the indices and the attribute.
|
|
Segment(const int *ind, int attr = 1);
|
|
|
|
/// Constructs triangle by specifying the indices and the attribute.
|
|
Segment(int ind1, int ind2, int attr = 1);
|
|
|
|
/// Return element's type.
|
|
Type GetType() const override { return Element::SEGMENT; }
|
|
|
|
/// Get the indices defining the vertices.
|
|
void GetVertices(Array<int> &v) const override;
|
|
|
|
/// Set the indices defining the vertices.
|
|
void SetVertices(const Array<int> &v) override;
|
|
|
|
/// @note The returned array should NOT be deleted by the caller.
|
|
int * GetVertices () override { return indices; }
|
|
|
|
/// Set the indices defining the vertices.
|
|
void SetVertices(const int *ind) override;
|
|
|
|
int GetNVertices() const override { return 2; }
|
|
|
|
int GetNEdges() const override { return 0; }
|
|
|
|
const int *GetEdgeVertices(int ei) const override { return NULL; }
|
|
|
|
/// @deprecated Use GetNFaces(void) and GetNFaceVertices(int) instead.
|
|
MFEM_DEPRECATED int GetNFaces(int &nFaceVertices) const override
|
|
{ nFaceVertices = 0; return 0; }
|
|
|
|
int GetNFaces() const override { return 0; }
|
|
|
|
int GetNFaceVertices(int) const override { return 0; }
|
|
|
|
const int *GetFaceVertices(int fi) const override { return NULL; }
|
|
|
|
Element *Duplicate(Mesh *m) const override
|
|
{ return new Segment(indices, attribute); }
|
|
|
|
virtual ~Segment() = default;
|
|
};
|
|
|
|
class Linear1DFiniteElement;
|
|
extern MFEM_EXPORT Linear1DFiniteElement SegmentFE;
|
|
|
|
}
|
|
|
|
#endif
|