ug4
assembled_non_linear_operator_impl.h
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1 /*
2  * Copyright (c) 2011-2015: G-CSC, Goethe University Frankfurt
3  * Author: Andreas Vogel
4  *
5  * This file is part of UG4.
6  *
7  * UG4 is free software: you can redistribute it and/or modify it under the
8  * terms of the GNU Lesser General Public License version 3 (as published by the
9  * Free Software Foundation) with the following additional attribution
10  * requirements (according to LGPL/GPL v3 §7):
11  *
12  * (1) The following notice must be displayed in the Appropriate Legal Notices
13  * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
14  *
15  * (2) The following notice must be displayed at a prominent place in the
16  * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
17  *
18  * (3) The following bibliography is recommended for citation and must be
19  * preserved in all covered files:
20  * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
21  * parallel geometric multigrid solver on hierarchically distributed grids.
22  * Computing and visualization in science 16, 4 (2013), 151-164"
23  * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
24  * flexible software system for simulating pde based models on high performance
25  * computers. Computing and visualization in science 16, 4 (2013), 165-179"
26  *
27  * This program is distributed in the hope that it will be useful,
28  * but WITHOUT ANY WARRANTY; without even the implied warranty of
29  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
30  * GNU Lesser General Public License for more details.
31  */
32 
33 #ifndef __H__UG__LIB_DISC__OPERATOR__NON_LINEAR_OPERATOR__ASSEMBLED_NON_LINEAR_OPERATOR_IMPL__
34 #define __H__UG__LIB_DISC__OPERATOR__NON_LINEAR_OPERATOR__ASSEMBLED_NON_LINEAR_OPERATOR_IMPL__
35 
37 
38 namespace ug{
39 
40 // Prepare functions
41 template <typename TAlgebra>
42 void
44 {
45  PROFILE_BEGIN_GROUP(AssembledOperator_prepare, "discretization");
46  if(m_spAss.invalid())
47  UG_THROW("Discretization not set.");
48 
49 // Set Dirichlet - Nodes to exact values (any constraints in general)
50  try{
51  m_spAss->adjust_solution(uIn, m_gridLevel);
52  }
53  UG_CATCH_THROW("Cannot set constraints in solution.");
54 }
55 
56 // Compute d = L(u)
57 template <typename TAlgebra>
58 void
60 {
61  PROFILE_BEGIN_GROUP(AssembledOperator_apply, "discretization");
62  if(m_spAss.invalid())
63  UG_THROW("Discretization not set.");
64 
65 // assemble defect
66  try{
67  m_spAss->assemble_defect(dOut, uIn, m_gridLevel);
68  }
69  UG_CATCH_THROW("Could not assemble defect. Aborting.");
70 }
71 
72 } // end namepace ug
73 
74 #endif /*__H__UG__LIB_DISC__OPERATOR__NON_LINEAR_OPERATOR__ASSEMBLED_NON_LINEAR_OPERATOR_IMPL__*/
virtual void prepare(vector_type &u)
Prepare for apply.
Definition: assembled_non_linear_operator_impl.h:43
virtual void apply(vector_type &d, const vector_type &u)
Compute d = L(u)
Definition: assembled_non_linear_operator_impl.h:59
TAlgebra::vector_type vector_type
Type of Vector.
Definition: assembled_non_linear_operator.h:49
#define UG_CATCH_THROW(msg)
Definition: error.h:64
#define UG_THROW(msg)
Definition: error.h:57
the ug namespace
#define PROFILE_BEGIN_GROUP(name, groups)
Definition: profiler.h:255