Stratimikos_LinearSolverBuilder_decl.hpp

// @HEADER
// *****************************************************************************
//         Stratimikos: Thyra-based strategies for linear solvers
//
// Copyright 2006 NTESS and the Stratimikos contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER

#ifndef STRATIMIKOS_LINEAR_SOLVER_BUILDING_BASE
#define STRATIMIKOS_LINEAR_SOLVER_BUILDING_BASE

#include "Stratimikos_ConfigDefs.hpp"
#include "Thyra_LinearSolverBuilderBase.hpp"
#include "Teuchos_AbstractFactory.hpp"
#include "Teuchos_StandardMemberCompositionMacros.hpp"
#include "Teuchos_StandardParameterEntryValidators.hpp"

// Include these to make all of the helpful decls appear
#ifdef HAVE_STRATIMIKOS_THYRAEPETRAADAPTERS
#include "Thyra_EpetraThyraWrappers.hpp"
#include "Thyra_EpetraLinearOp.hpp"
#endif
#include "Thyra_LinearOpWithSolveFactoryHelpers.hpp"
#include "Thyra_LinearOpWithSolveBase.hpp"
#include "Thyra_PreconditionerFactoryHelpers.hpp"
#include "Thyra_DefaultScaledAdjointLinearOp.hpp"
#include "Thyra_DefaultPreconditioner.hpp"
#include "Thyra_MultiVectorStdOps.hpp"
#include "Thyra_VectorStdOps.hpp"
#include "Thyra_VectorBase.hpp"


namespace Teuchos { class CommandLineProcessor; }


namespace Stratimikos {


using Teuchos::RCP;
using Teuchos::Array;
using Teuchos::AbstractFactory;
using Teuchos::ParameterList;


/* (Old comments removed from Doxygen)
 *
 * The parameters this class accepts are shown below in different format:
 * <ul>
 * <li> \ref HumanReadableWithDocumentation "Human readable format (with documentation) for valid parameters accepted by this class"
 * <li> \ref HumanReadableWithoutDocumentation "Human readable format (without documentation) for valid parameters accepted by this class"
 * <li> \ref XmlFormat "XML format for valid parameters accepted by this class"
 * </ul>
 *
 * <b>\anchor HumanReadableWithDocumentation Human readable format (with documentation) for valid parameters accepted by this class</b>
 *
 * <b>\anchor HumanReadableWithoutDocumentation Human readable format (without documentation) for valid parameters accepted by this class</b>
 *
 * \verbinclude simple_stratimikos_example.options.readable.out
 *
 * <b>\anchor XmlFormat XML format for valid parameters accepted by this class</b>
 *
 * \verbinclude simple_stratimikos_example.options.xml.out
 * 
 */
template <class Scalar = double>
class LinearSolverBuilder
  : public Thyra::LinearSolverBuilderBase<Scalar>
{
public:


  LinearSolverBuilder(
    const std::string &paramsXmlFileName = "",
    const std::string &extraParamsXmlString = "",
    const std::string &paramsUsedXmlOutFileName = "",
    const std::string &paramsXmlFileNameOption = "linear-solver-params-file",
    const std::string &extraParamsXmlStringOption = "extra-linear-solver-params",
    const std::string &paramsUsedXmlOutFileNameOption = "linear-solver-params-used-file",
    const bool &replaceDuplicateFactories = true
    );

  ~LinearSolverBuilder();
  
  STANDARD_MEMBER_COMPOSITION_MEMBERS(std::string,paramsXmlFileName);
    
  STANDARD_MEMBER_COMPOSITION_MEMBERS(std::string,extraParamsXmlString);

  STANDARD_MEMBER_COMPOSITION_MEMBERS(std::string,paramsUsedXmlOutFileName);

  STANDARD_MEMBER_COMPOSITION_MEMBERS(std::string,paramsXmlFileNameOption);

  STANDARD_MEMBER_COMPOSITION_MEMBERS(std::string,extraParamsXmlStringOption);

  STANDARD_MEMBER_COMPOSITION_MEMBERS(std::string,paramsUsedXmlOutFileNameOption);

  STANDARD_MEMBER_COMPOSITION_MEMBERS(bool,replaceDuplicateFactories);

  void setLinearSolveStrategyFactory(
    const RCP<const AbstractFactory<Thyra::LinearOpWithSolveFactoryBase<Scalar> > >
    &solveStrategyFactory,
    const std::string &solveStrategyName,
    const bool makeDefault = false
    );

  void setDefaultLinearSolveStrategyFactoryName(
    const std::string &solveStrategyName);

  void setPreconditioningStrategyFactory(
    const RCP<const AbstractFactory<Thyra::PreconditionerFactoryBase<Scalar> > >
    &precStrategyFactory,
    const std::string &precStrategyName,
    const bool makeDefault = false
    );

  void setDefaultPreconditioningStrategyFactoryName(
    const std::string &precStrategyName);

  void setupCLP( Teuchos::CommandLineProcessor *clp );

  void readParameters( std::ostream *out );

  void writeParamsFile(
    const Thyra::LinearOpWithSolveFactoryBase<Scalar> &lowsFactory,
    const std::string &outputXmlFileName  = "" 
    ) const;
  
  std::string getLinearSolveStrategyName() const;

  std::string getPreconditionerStrategyName() const;



  void setParameterList(RCP<ParameterList> const& paramList);
  RCP<ParameterList> getNonconstParameterList();
  RCP<ParameterList> unsetParameterList();
  RCP<const ParameterList> getParameterList() const;
  RCP<const ParameterList> getValidParameters() const;

  

  RCP<Thyra::LinearOpWithSolveFactoryBase<Scalar> >
  createLinearSolveStrategy(
    const std::string &linearSolveStrategyName
    ) const;
  RCP<Thyra::PreconditionerFactoryBase<Scalar> >
  createPreconditioningStrategy(
    const std::string &preconditioningStrategyName
    ) const;


private:

  // //////////////////////////////////////
  // Private types

  typedef RCP<const AbstractFactory<Thyra::LinearOpWithSolveFactoryBase<Scalar> > >
  lowsf_fcty_t;
  typedef RCP<const AbstractFactory<Thyra::PreconditionerFactoryBase<Scalar> > >
  pf_fcty_t;

  // //////////////////////////////////////
  // Private data members
  
  RCP<ParameterList> paramList_;
  Array<std::string> validLowsfNames_;
  Array<lowsf_fcty_t> lowsfArray_;
  std::string defaultLOWSF_;
  Array<std::string> validPfNames_; // Contains "None" as the 0th entry!
  Array<pf_fcty_t> pfArray_;
  std::string defaultPF_;
  bool enableDelayedSolverConstruction_;
  mutable RCP<const ParameterList> validParamList_;
  mutable RCP<const Teuchos::StringToIntegralParameterEntryValidator<int> > lowsfValidator_;
  mutable RCP<const Teuchos::StringToIntegralParameterEntryValidator<int> > pfValidator_;

  // //////////////////////////////////////
  // Private member functions

  void initializeDefaults();
  void justInTimeInitialize() const;

  int getAndAssertExistingFactoryNameIdx(const std::string &setFunctionName,
    const Teuchos::ArrayView<std::string> namesArray, const std::string &name) const;

};


namespace LinearSolverBuilderHelpers {


int existingNameIndex(
  const Teuchos::ArrayView<std::string> namesArray, const std::string &name);


} // namespace LinearSolverBuilderHelpers


} // namespace Stratimikos


#endif // STRATIMIKOS_LINEAR_SOLVER_BUILDING_BASE