sum_shell_matrix.h

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00001 // The libMesh Finite Element Library.
00002 // Copyright (C) 2002-2012 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
00003 
00004 // This library is free software; you can redistribute it and/or
00005 // modify it under the terms of the GNU Lesser General Public
00006 // License as published by the Free Software Foundation; either
00007 // version 2.1 of the License, or (at your option) any later version.
00008 
00009 // This library is distributed in the hope that it will be useful,
00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012 // Lesser General Public License for more details.
00013 
00014 // You should have received a copy of the GNU Lesser General Public
00015 // License along with this library; if not, write to the Free Software
00016 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00017 
00018 
00019 
00020 #ifndef LIBMESH_SUM_SHELL_MATRIX_H
00021 #define LIBMESH_SUM_SHELL_MATRIX_H
00022 
00023 // Local includes
00024 #include "libmesh/libmesh_common.h"
00025 #include "libmesh/reference_counted_object.h"
00026 #include "libmesh/libmesh.h"
00027 #include "libmesh/shell_matrix.h"
00028 
00029 // C++ includes
00030 #include <vector>
00031 
00032 namespace libMesh
00033 {
00034 
00035 
00036 
00044 template <typename T>
00045 class SumShellMatrix : public ShellMatrix<T>
00046 {
00047 public:
00054   SumShellMatrix (void);
00055 
00059   explicit
00060   SumShellMatrix (const std::vector<ShellMatrix<T>*>& mat);
00061 
00065   virtual ~SumShellMatrix ();
00066 
00071   virtual numeric_index_type m () const;
00072 
00077   virtual numeric_index_type n () const;
00078 
00083   virtual void vector_mult (NumericVector<T>& dest,
00084                             const NumericVector<T>& arg) const;
00085 
00089   virtual void vector_mult_add (NumericVector<T>& dest,
00090                                 const NumericVector<T>& arg) const;
00091 
00095   virtual void get_diagonal (NumericVector<T>& dest) const;
00096 
00100   std::vector<ShellMatrix<T>*> matrices;
00101 
00102 };
00103 
00104 
00105 
00106 //-----------------------------------------------------------------------
00107 // SumShellMatrix inline members
00108 template <typename T>
00109 inline
00110 SumShellMatrix<T>::SumShellMatrix (void):
00111   ShellMatrix<T>(),
00112   matrices()
00113 {}
00114 
00115 
00116 
00117 template <typename T>
00118 inline
00119 SumShellMatrix<T>::SumShellMatrix (const std::vector<ShellMatrix<T>*>& mat):
00120   ShellMatrix<T>(),
00121   matrices(mat)
00122 {}
00123 
00124 
00125 
00126 template <typename T>
00127 inline
00128 SumShellMatrix<T>::~SumShellMatrix ()
00129 {}
00130 
00131 
00132 } // namespace libMesh
00133 
00134 
00135 #endif // LIBMESH_SUM_SHELL_MATRIX_H
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Last modified: February 05 2013 19:54:48 UTC

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