source: ThirdParty/vmg/src/solver/solver.hpp@ 33a694

Action_Thermostats Add_AtomRandomPerturbation Add_RotateAroundBondAction Add_SelectAtomByNameAction Adding_Graph_to_ChangeBondActions Adding_MD_integration_tests Adding_StructOpt_integration_tests AutomationFragmentation_failures Candidate_v1.6.1 ChangeBugEmailaddress ChangingTestPorts ChemicalSpaceEvaluator Docu_Python_wait EmpiricalPotential_contain_HomologyGraph_documentation Enhance_userguide Enhanced_StructuralOptimization Enhanced_StructuralOptimization_continued Example_ManyWaysToTranslateAtom Exclude_Hydrogens_annealWithBondGraph Fix_ChronosMutex Fix_StatusMsg Fix_StepWorldTime_single_argument Fix_Verbose_Codepatterns ForceAnnealing_goodresults ForceAnnealing_oldresults ForceAnnealing_tocheck ForceAnnealing_with_BondGraph ForceAnnealing_with_BondGraph_continued ForceAnnealing_with_BondGraph_continued_betteresults ForceAnnealing_with_BondGraph_contraction-expansion GeometryObjects Gui_displays_atomic_force_velocity IndependentFragmentGrids_IntegrationTest JobMarket_RobustOnKillsSegFaults JobMarket_StableWorkerPool PythonUI_with_named_parameters QtGui_reactivate_TimeChanged_changes Recreated_GuiChecks RotateToPrincipalAxisSystem_UndoRedo StoppableMakroAction TremoloParser_IncreasedPrecision TremoloParser_MultipleTimesteps Ubuntu_1604_changes
Last change on this file since 33a694 was 7faa5c, checked in by Frederik Heber <heber@…>, 8 years ago

Merge commit 'de061d9d851257a04e924d4472df4523d33bb08b' as 'ThirdParty/vmg'

  • Property mode set to 100644
File size: 2.0 KB
Line 
1/*
2 * vmg - a versatile multigrid solver
3 * Copyright (C) 2012 Institute for Numerical Simulation, University of Bonn
4 *
5 * vmg is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * vmg is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19/**
20 * @file solver.hpp
21 * @author Julian Iseringhausen <isering@ins.uni-bonn.de>
22 * @date Mon Apr 18 13:11:14 2011
23 *
24 * @brief VMG::Solver
25 *
26 */
27
28#ifndef SOLVER_HPP_
29#define SOLVER_HPP_
30
31#include <vector>
32
33#include "base/discretization.hpp"
34#include "base/object.hpp"
35#include "base/stencil.hpp"
36#include "comm/comm.hpp"
37#include "grid/grid.hpp"
38#include "mg.hpp"
39
40namespace VMG
41{
42
43class Solver : public Object
44{
45public:
46 Solver(bool register_ = true) :
47 Object("SOLVER", register_),
48 size(0)
49 {}
50
51 Solver(int size, bool register_ = true) :
52 Object("SOLVER", register_),
53 size(size)
54 {
55 this->Realloc(size);
56 }
57
58 virtual ~Solver() {}
59
60 void Run(Grid& sol, Grid& rhs);
61
62 void Realloc(int n);
63 void Realloc(Grid& x);
64
65 vmg_float& Mat(int i, int j)
66 {
67 return A[j+size*i];
68 }
69
70 vmg_float& Rhs(int i)
71 {
72 return b[i];
73 }
74
75 vmg_float& Sol(int i)
76 {
77 return x[i];
78 }
79
80 const int& Size() const {return size;}
81
82protected:
83 virtual void Compute() = 0; ///< Solves the system of equations
84
85private:
86 virtual void AssembleMatrix(const Grid& rhs) = 0; ///< Assembles all matrices and vectors.
87 virtual void ExportSol(Grid& sol, Grid& rhs) = 0; ///< Exports the solution back to a given mesh.
88
89 std::vector<vmg_float> A, b, x;
90 int size;
91};
92
93}
94
95#endif
Note: See TracBrowser for help on using the repository browser.