Teko_InverseFactory.cpp

/*
// @HEADER
// 
// ***********************************************************************
// 
//      Teko: A package for block and physics based preconditioning
//                  Copyright 2010 Sandia Corporation 
//  
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//  
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//  
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
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// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission. 
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// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
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/*
// @header
// 
// ***********************************************************************
// 
//      teko: a package for block and physics based preconditioning
//                  copyright 2010 sandia corporation 
//  
// under the terms of contract de-ac04-94al85000 with sandia corporation,
// the u.s. government retains certain rights in this software. 
//  
// redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//  
// 1. redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//  
// 2. redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//  
// 3. neither the name of the corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission. 
//  
// this software is provided by sandia corporation "as is" and any
// express or implied warranties, including, but not limited to, the
// implied warranties of merchantability and fitness for a particular
// purpose are disclaimed. in no event shall sandia corporation or the
// contributors be liable for any direct, indirect, incidental, special,
// exemplary, or consequential damages (including, but not limited to,
// procurement of substitute goods or services; loss of use, data, or
// profits; or business interruption) however caused and on any theory of
// liability, whether in contract, strict liability, or tort (including 
// negligence or otherwise) arising in any way out of the use of this
// software, even if advised of the possibility of such damage.
//  
// questions? contact eric c. cyr (eccyr@sandia.gov)
// 
// ***********************************************************************
// 
// @header
*/
 
#include "Teko_InverseFactory.hpp"
 
// Thyra includes
#include "Thyra_DefaultLinearOpSource.hpp"
#include "Thyra_DefaultInverseLinearOp.hpp"
#include "Thyra_DefaultPreconditioner.hpp"
 
// Stratimikos includes
#include "Stratimikos_DefaultLinearSolverBuilder.hpp"
 
// Teko includes
#include "Teko_Utilities.hpp"
#include "Teko_BlockPreconditionerFactory.hpp"
#include "Teko_Preconditioner.hpp"
#include "Teko_PreconditionerLinearOp.hpp"
#include "Teko_SolveInverseFactory.hpp"
#include "Teko_PreconditionerInverseFactory.hpp"
 
using Teuchos::rcp;
using Teuchos::rcp_const_cast;
using Teuchos::rcp_dynamic_cast;
using Teuchos::RCP;
 
namespace Teko {

InverseLinearOp buildInverse(const InverseFactory & factory,const LinearOp & A)
{
   InverseLinearOp inv;
   try {
      inv = factory.buildInverse(A);
   }
   catch(std::exception & e) {
      RCP<Teuchos::FancyOStream> out = Teko::getOutputStream();
 
      *out << "Teko: \"buildInverse\" could not construct the inverse operator using ";
      *out << "\"" << factory.toString() << "\"" << std::endl;
      *out << std::endl;
      *out << "*** THROWN EXCEPTION ***\n";
      *out << e.what() << std::endl;
      *out << "************************\n";
      
      throw e;
   }
 
   return inv;
}

InverseLinearOp buildInverse(const InverseFactory & factory,const LinearOp & A,const LinearOp & precOp)
{
   Teko_DEBUG_SCOPE("buildInverse(factory,A,precOp)",10);
   InverseLinearOp inv;
   try {
      inv = factory.buildInverse(A,precOp);
   }
   catch(std::exception & e) {
      RCP<Teuchos::FancyOStream> out = Teko::getOutputStream();
 
      *out << "Teko: \"buildInverse\" could not construct the inverse operator using ";
      *out << "\"" << factory.toString() << "\"" << std::endl;
      *out << std::endl;
      *out << "*** THROWN EXCEPTION ***\n";
      *out << e.what() << std::endl;
      *out << "************************\n";
      
      throw e;
   }
 
   return inv;
}

void rebuildInverse(const InverseFactory & factory, const LinearOp & A, InverseLinearOp & invA)
{
   InverseLinearOp inv;
   try {
      factory.rebuildInverse(A,invA);
   } 
   catch(std::exception & e) {
      RCP<Teuchos::FancyOStream> out = Teko::getOutputStream();
 
      *out << "Teko: \"rebuildInverse\" could not construct the inverse operator using ";
      *out << "\"" << factory.toString() << "\"" << std::endl;
      *out << std::endl;
      *out << "*** THROWN EXCEPTION ***\n";
      *out << e.what() << std::endl;
      *out << "************************\n";
      
      throw e;
   }
}

void rebuildInverse(const InverseFactory & factory, const LinearOp & A,const LinearOp & precOp, InverseLinearOp & invA)
{
   InverseLinearOp inv;
   try {
      factory.rebuildInverse(A,precOp,invA);
   } 
   catch(std::exception & e) {
      RCP<Teuchos::FancyOStream> out = Teko::getOutputStream();
 
      *out << "Teko: \"rebuildInverse\" could not construct the inverse operator using ";
      *out << "\"" << factory.toString() << "\"" << std::endl;
      *out << std::endl;
      *out << "*** THROWN EXCEPTION ***\n";
      *out << e.what() << std::endl;
      *out << "************************\n";
      
      throw e;
   }
}

RCP<InverseFactory> invFactoryFromParamList(const Teuchos::ParameterList & list,const std::string & type)
{
   RCP<Teuchos::ParameterList> myList = rcp(new Teuchos::ParameterList(list));
 
   Stratimikos::DefaultLinearSolverBuilder strat;
   addToStratimikosBuilder(rcpFromRef(strat));
   strat.setParameterList(myList);
 
   try {
      // try to build a preconditioner factory
      RCP<Thyra::PreconditionerFactoryBase<double> > precFact = strat.createPreconditioningStrategy(type);
 
      // string must map to a preconditioner
      return rcp(new PreconditionerInverseFactory(precFact,Teuchos::null));
   }
   catch(const Teuchos::Exceptions::InvalidParameterValue & exp) { }
 
   try {
      // try to build a solver factory
      RCP<Thyra::LinearOpWithSolveFactoryBase<double> > solveFact = strat.createLinearSolveStrategy(type);
 
      // if its around, build a InverseFactory
      return rcp(new SolveInverseFactory(solveFact));
   }
   catch(const Teuchos::Exceptions::InvalidParameterValue & exp) { }
 
   return  Teuchos::null;;
}

Teuchos::RCP<const Teuchos::ParameterList> invFactoryValidParameters()
{
   Stratimikos::DefaultLinearSolverBuilder strat;
 
   // extract valid parameter list from Stratimikos
   return strat.getValidParameters();
}
 
} // end namespace Teko