GCC Code Coverage Report

Directory:	../../../builds/dumux-repositories/
File:	/builds/dumux-repositories/dumux/dumux/linear/linearsolverparameters.hh
Date:	2024-09-21 20:52:54

	Exec	Total	Coverage
Lines:	31	31	100.0%
Functions:	180	192	93.8%
Branches:	110	232	47.4%

  
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      // -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
    
      // vi: set et ts=4 sw=4 sts=4:
    
      //
    
      // SPDX-FileCopyrightInfo: Copyright © DuMux Project contributors, see AUTHORS.md in root folder
    
      // SPDX-License-Identifier: GPL-3.0-or-later
    
      //
    
      /*!
    
       * \file
    
       * \ingroup Linear
    
       * \brief Generates a parameter tree required for the linear solvers and precondioners of the Dune ISTL
    
       */
    
      #ifndef DUMUX_LINEAR_SOLVER_PARAMETERS_HH
    
      #define DUMUX_LINEAR_SOLVER_PARAMETERS_HH
    
      #include <string>
    
      #include <array>
    
      #include <vector>
    
      #include <dune/common/parametertree.hh>
    
      #include <dune/common/std/type_traits.hh>
    
      #include <dumux/common/parameters.hh>
    
      namespace Dumux::Detail::LinearSolverParameters {
    
      template <typename T>
    
      using GVDetector = typename T::GridView;
    
      template <typename T>
    
      constexpr bool hasGridView = Dune::Std::is_detected<GVDetector, T>::value;
    
      } // end namespace Dumux::Detail::LinearSolverParameters
    
      namespace Dumux {
    
      /*!
    
       * \ingroup Linear
    
       * \brief Generates a parameter tree required for the linear solvers and precondioners of the Dune ISTL
    
       */
    
      template<class LinearSolverTraits>
    
      class LinearSolverParameters
    
      {
    
      public:
    
          //! Translation table for solver parameters
    
          static const std::vector<std::array<std::string, 2>> dumuxToIstlSolverParams;
    
          //! Create a tree containing parameters required for the linear solvers and precondioners of the Dune ISTL
    
      441
          static Dune::ParameterTree createParameterTree(const std::string& paramGroup = "")
    
          {
    
      441
              Dune::ParameterTree params;
    
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      441
              setDefaultParameters(params, paramGroup);
    
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      441
              fillValuesForIstlKeys(params, paramGroup);
    
      441
              return params;
    
          }
    
          //! Set some defaults for the solver parameters
    
      441
          static void setDefaultParameters(Dune::ParameterTree& params, const std::string& paramGroup = "")
    
          {
    
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              params["restart"] = "10";
    
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      882
              params["maxit"] = "250";
    
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      882
              params["reduction"] = "1e-13";
    
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      882
              params["verbose"] = "0";
    
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      1323
              params["preconditioner.iterations"] = "1";
    
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      1323
              params["preconditioner.relaxation"] = "1.0";
    
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      1323
              params["preconditioner.verbosity"] = "0";
    
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      1323
              params["preconditioner.defaultAggregationSizeMode"] = "isotropic";
    
              if constexpr (Detail::LinearSolverParameters::hasGridView<LinearSolverTraits>)
    
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      1014
                  params["preconditioner.defaultAggregationDimension"] = std::to_string(LinearSolverTraits::GridView::dimension);
    
              else
    
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      309
                  params["preconditioner.defaultAggregationDimension"] = "3";
    
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      1323
              params["preconditioner.maxLevel"] = "100";
    
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      882
              params["ParameterGroup"] = paramGroup;
    
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      1323
              params["preconditioner.ParameterGroup"] = paramGroup;
    
      441
          }
    
          //! Iterate over all keys required by the ISTL, translate them to Dumux syntax and add values to tree
    
      401
          static void fillValuesForIstlKeys(Dune::ParameterTree& params, const std::string& paramGroup = "")
    
          {
    
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      1299
              const auto linearSolverGroups = getParamSubGroups("LinearSolver", paramGroup);
    
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      802
              if (linearSolverGroups.empty()) // no linear solver parameters were specified
    
      305
                  return;
    
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      3552
              for (const auto& [dumuxKey, istlKey] : dumuxToIstlSolverParams)
    
              {
    
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      15986
                  for (const auto& group : linearSolverGroups)
    
                  {
    
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      6458
                      const auto fullDumuxKey = group + "." + dumuxKey;
    
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      6458
                      const auto value = getParam<std::string>(fullDumuxKey, "");
    
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      6722
                      if (!value.empty())
    
                      {
    
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      264
                          params[istlKey] = value;
    
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      265
                          break; // skip groups with smaller depth in the tree
    
                      }
    
                  }
    
              }
    
          }
    
      };
    
      //! Translation table for solver parameters
    
      //! TODO change to constexpr array of std::string_view once we require g++ >= 7.3 (bug in older versions)
    
      template<class LinearSolverTraits>
    
      const std::vector<std::array<std::string, 2>>
    
      LinearSolverParameters<LinearSolverTraits>::dumuxToIstlSolverParams =
    
      {
    
          // solver params
    
          {"Verbosity", "verbose"},
    
          {"MaxIterations", "maxit"},
    
          {"ResidualReduction", "reduction"},
    
          {"Type", "type"},
    
          {"GMResRestart", "restart"}, // cycles before restarting
    
          {"Restart", "restart"}, // cycles before restarting
    
          {"MaxOrthogonalizationVectors", "mmax"},
    
          // preconditioner params
    
          {"Preconditioner.Verbosity", "preconditioner.verbosity"},
    
          {"Preconditioner.Type", "preconditioner.type"},
    
          {"Preconditioner.Iterations", "preconditioner.iterations"},
    
          {"Preconditioner.Relaxation", "preconditioner.relaxation"},
    
          {"Preconditioner.ILUOrder", "preconditioner.n"},
    
          {"Preconditioner.ILUResort", "preconditioner.resort"},
    
          {"Preconditioner.AmgSmootherRelaxation", "preconditioner.smootherRelaxation"},
    
          {"Preconditioner.AmgSmootherIterations", "preconditioner.smootherIterations"},
    
          {"Preconditioner.AmgMaxLevel", "preconditioner.maxLevel"},
    
          {"Preconditioner.AmgCoarsenTarget", "preconditioner.coarsenTarget"},
    
          {"Preconditioner.AmgMinCoarseningRate", "preconditioner.minCoarseningRate"},
    
          {"Preconditioner.AmgAccumulationMode", "preconditioner.accumulationMode"},
    
          {"Preconditioner.AmgProlongationDampingFactor", "preconditioner.prolongationDampingFactor"},
    
          {"Preconditioner.AmgAlpha", "preconditioner.alpha"},
    
          {"Preconditioner.AmgBeta", "preconditioner.beta"},
    
          {"Preconditioner.AmgAdditive", "preconditioner.additive"},
    
          {"Preconditioner.AmgGamma", "preconditioner.gamma"},
    
          {"Preconditioner.AmgPreSmoothingSteps", "preconditioner.preSteps"},
    
          {"Preconditioner.AmgPostSmoothingSteps", "preconditioner.postSteps"},
    
          {"Preconditioner.AmgCriterionSymmetric", "preconditioner.criterionSymmetric"},
    
          {"Preconditioner.AmgStrengthMeasure", "preconditioner.strengthMeasure"},
    
          {"Preconditioner.AmgDiagonalRowIndex", "preconditioner.diagonalRowIndex"},
    
          {"Preconditioner.AmgDefaultAggregationSizeMode", "preconditioner.defaultAggregationSizeMode"},
    
          {"Preconditioner.AmgDefaultAggregationDimension", "preconditioner.defaultAggregationDimension"},
    
          {"Preconditioner.AmgMaxAggregateDistance", "preconditioner.maxAggregateDistance"},
    
          {"Preconditioner.AmgMinAggregateSize", "preconditioner.minAggregateSize"},
    
          {"Preconditioner.AmgMaxAggregateSize", "preconditioner.maxAggregateSize"}
    
      };
    
      } // end namespace Dumux
    
      #endif

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1			// -- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 --
2			// vi: set et ts=4 sw=4 sts=4:
3			//
4			// SPDX-FileCopyrightInfo: Copyright © DuMux Project contributors, see AUTHORS.md in root folder
5			// SPDX-License-Identifier: GPL-3.0-or-later
6			//
7			/*!
8			* \file
9			* \ingroup Linear
10			* \brief Generates a parameter tree required for the linear solvers and precondioners of the Dune ISTL
11			*/
12
13			#ifndef DUMUX_LINEAR_SOLVER_PARAMETERS_HH
14			#define DUMUX_LINEAR_SOLVER_PARAMETERS_HH
15
16			#include <string>
17			#include <array>
18			#include <vector>
19
20			#include <dune/common/parametertree.hh>
21			#include <dune/common/std/type_traits.hh>
22			#include <dumux/common/parameters.hh>
23
24			namespace Dumux::Detail::LinearSolverParameters {
25			template <typename T>
26			using GVDetector = typename T::GridView;
27
28			template <typename T>
29			constexpr bool hasGridView = Dune::Std::is_detected<GVDetector, T>::value;
30			} // end namespace Dumux::Detail::LinearSolverParameters
31
32			namespace Dumux {
33
34			/*!
35			* \ingroup Linear
36			* \brief Generates a parameter tree required for the linear solvers and precondioners of the Dune ISTL
37			*/
38			template<class LinearSolverTraits>
39			class LinearSolverParameters
40			{
41			public:
42
43			//! Translation table for solver parameters
44			static const std::vector<std::array<std::string, 2>> dumuxToIstlSolverParams;
45
46			//! Create a tree containing parameters required for the linear solvers and precondioners of the Dune ISTL
47		441	static Dune::ParameterTree createParameterTree(const std::string& paramGroup = "")
48			{
49		441	Dune::ParameterTree params;
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52		441	return params;
53			}
54
55			//! Set some defaults for the solver parameters
56		441	static void setDefaultParameters(Dune::ParameterTree& params, const std::string& paramGroup = "")
57			{
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66			if constexpr (Detail::LinearSolverParameters::hasGridView<LinearSolverTraits>)
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68			else
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73		441	}
74
75			//! Iterate over all keys required by the ISTL, translate them to Dumux syntax and add values to tree
76		401	static void fillValuesForIstlKeys(Dune::ParameterTree& params, const std::string& paramGroup = "")
77			{
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80		305	return;
81
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83			{
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85			{
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89			{
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92			}
93			}
94			}
95			}
96			};
97
98			//! Translation table for solver parameters
99			//! TODO change to constexpr array of std::string_view once we require g++ >= 7.3 (bug in older versions)
100			template<class LinearSolverTraits>
101			const std::vector<std::array<std::string, 2>>
102			LinearSolverParameters<LinearSolverTraits>::dumuxToIstlSolverParams =
103			{
104			// solver params
105			{"Verbosity", "verbose"},
106			{"MaxIterations", "maxit"},
107			{"ResidualReduction", "reduction"},
108			{"Type", "type"},
109			{"GMResRestart", "restart"}, // cycles before restarting
110			{"Restart", "restart"}, // cycles before restarting
111			{"MaxOrthogonalizationVectors", "mmax"},
112
113			// preconditioner params
114			{"Preconditioner.Verbosity", "preconditioner.verbosity"},
115			{"Preconditioner.Type", "preconditioner.type"},
116			{"Preconditioner.Iterations", "preconditioner.iterations"},
117			{"Preconditioner.Relaxation", "preconditioner.relaxation"},
118			{"Preconditioner.ILUOrder", "preconditioner.n"},
119			{"Preconditioner.ILUResort", "preconditioner.resort"},
120			{"Preconditioner.AmgSmootherRelaxation", "preconditioner.smootherRelaxation"},
121			{"Preconditioner.AmgSmootherIterations", "preconditioner.smootherIterations"},
122			{"Preconditioner.AmgMaxLevel", "preconditioner.maxLevel"},
123			{"Preconditioner.AmgCoarsenTarget", "preconditioner.coarsenTarget"},
124			{"Preconditioner.AmgMinCoarseningRate", "preconditioner.minCoarseningRate"},
125			{"Preconditioner.AmgAccumulationMode", "preconditioner.accumulationMode"},
126			{"Preconditioner.AmgProlongationDampingFactor", "preconditioner.prolongationDampingFactor"},
127			{"Preconditioner.AmgAlpha", "preconditioner.alpha"},
128			{"Preconditioner.AmgBeta", "preconditioner.beta"},
129			{"Preconditioner.AmgAdditive", "preconditioner.additive"},
130			{"Preconditioner.AmgGamma", "preconditioner.gamma"},
131			{"Preconditioner.AmgPreSmoothingSteps", "preconditioner.preSteps"},
132			{"Preconditioner.AmgPostSmoothingSteps", "preconditioner.postSteps"},
133			{"Preconditioner.AmgCriterionSymmetric", "preconditioner.criterionSymmetric"},
134			{"Preconditioner.AmgStrengthMeasure", "preconditioner.strengthMeasure"},
135			{"Preconditioner.AmgDiagonalRowIndex", "preconditioner.diagonalRowIndex"},
136			{"Preconditioner.AmgDefaultAggregationSizeMode", "preconditioner.defaultAggregationSizeMode"},
137			{"Preconditioner.AmgDefaultAggregationDimension", "preconditioner.defaultAggregationDimension"},
138			{"Preconditioner.AmgMaxAggregateDistance", "preconditioner.maxAggregateDistance"},
139			{"Preconditioner.AmgMinAggregateSize", "preconditioner.minAggregateSize"},
140			{"Preconditioner.AmgMaxAggregateSize", "preconditioner.maxAggregateSize"}
141			};
142
143			} // end namespace Dumux
144
145			#endif
146