Line data    Source code

       1             : // The libMesh Finite Element Library.
       2             : // Copyright (C) 2002-2025 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
       3             : 
       4             : // This library is free software; you can redistribute it and/or
       5             : // modify it under the terms of the GNU Lesser General Public
       6             : // License as published by the Free Software Foundation; either
       7             : // version 2.1 of the License, or (at your option) any later version.
       8             : 
       9             : // This library is distributed in the hope that it will be useful,
      10             : // but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12             : // Lesser General Public License for more details.
      13             : 
      14             : // You should have received a copy of the GNU Lesser General Public
      15             : // License along with this library; if not, write to the Free Software
      16             : // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
      17             : 
      18             : #ifndef LIBMESH_STATIC_CONDENSATION_PRECONDITIONER_H
      19             : #define LIBMESH_STATIC_CONDENSATION_PRECONDITIONER_H
      20             : 
      21             : #include "libmesh/preconditioner.h"
      22             : #include "libmesh/static_condensation.h"
      23             : 
      24             : namespace libMesh
      25             : {
      26             : class StaticCondensationPreconditioner : public Preconditioner<Number>
      27             : {
      28             : public:
      29             :   StaticCondensationPreconditioner(StaticCondensation & sc);
      30             : 
      31         490 :   virtual bool initialized() const override { return _sc.initialized(); }
      32             : 
      33         980 :   virtual void init() override { _sc.init(); }
      34             : 
      35         490 :   virtual void setup() override { _sc.setup(); }
      36             : 
      37             :   virtual void apply(const NumericVector<Number> & full_rhs,
      38             :                      NumericVector<Number> & full_sol) override;
      39             : 
      40           0 :   virtual void clear() override { _sc.clear(); }
      41             : 
      42           0 :   virtual void zero() override { _sc.zero(); }
      43             : 
      44             : private:
      45             :   StaticCondensation & _sc;
      46             : };
      47             : 
      48         350 : inline StaticCondensationPreconditioner::StaticCondensationPreconditioner(StaticCondensation & sc)
      49         350 :   : Preconditioner<Number>(sc.comm()), _sc(sc)
      50             : {
      51          10 : }
      52             : 
      53             : inline void
      54        1330 : StaticCondensationPreconditioner::apply(const NumericVector<Number> & full_rhs,
      55             :                                         NumericVector<Number> & full_sol)
      56             : {
      57        1330 :   _sc.apply(full_rhs, full_sol);
      58        1330 : }
      59             : 
      60             : } // namespace libMesh
      61             : 
      62             : #endif // LIBMESH_STATIC_CONDENSATION_PRECONDITIONER_H