Panzer_Response_ExtremeValue.hpp

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// @HEADER
// *****************************************************************************
//           Panzer: A partial differential equation assembly
//       engine for strongly coupled complex multiphysics systems
//
// Copyright 2011 NTESS and the Panzer contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER
 
#ifndef __Panzer_Response_ExtremeValue_hpp__
#define __Panzer_Response_ExtremeValue_hpp__
 
#include <string>
#include <limits>
 
#include <mpi.h> // need for comm
 
#include "Teuchos_RCP.hpp"
 
#include "Thyra_VectorBase.hpp"
#include "Thyra_VectorSpaceBase.hpp"
 
#include "PanzerDiscFE_config.hpp"
#ifdef PANZER_HAVE_EPETRA_STACK
#include "Epetra_Map.h"
#include "Epetra_Vector.h"
#include "Epetra_MpiComm.h"
#endif
 
#include "Panzer_ResponseMESupport_Default.hpp"
#include "Panzer_GlobalEvaluationData.hpp"
#include "Panzer_ThyraObjFactory.hpp"
#include "Panzer_ThyraObjContainer.hpp"
#include "Panzer_LinearObjFactory.hpp"
 
 
namespace panzer {
 
template <typename EvalT>
class Response_ExtremeValue : public ResponseMESupport_Default<EvalT>
                          , public GlobalEvaluationData_BCAdjustment {
public:
   typedef typename EvalT::ScalarT ScalarT;
 
   Response_ExtremeValue(const std::string & responseName,MPI_Comm comm,bool useMax,
                       const Teuchos::RCP<const panzer::LinearObjFactory<panzer::Traits> > & linObjFact=Teuchos::null)
     : ResponseMESupport_Default<EvalT>(responseName,comm), value(0.0), linObjFactory_(linObjFact), useMax_(useMax)
   {
     if(linObjFactory_!=Teuchos::null) {
       // requires thyra object factory
       thyraObjFactory_ = Teuchos::rcp_dynamic_cast<const panzer::ThyraObjFactory<double> >(linObjFactory_,true);
       setSolnVectorSpace(thyraObjFactory_->getThyraDomainSpace());
 
       // build a ghosted container, with a solution vector
       ghostedContainer_ = linObjFactory_->buildGhostedLinearObjContainer();
 
       // set ghosted container (work space for assembly)
       linObjFactory_->initializeGhostedContainer(panzer::LinearObjContainer::X,*ghostedContainer_);
 
       // No derivative vector space is set here on purpose. There is no
       // Jacobian scatter evaluator for an extreme value response, and
       // ResponseEvaluatorFactory_ExtremeValue::typeSupported() returns false
       // for the Jacobian type, so a Response_ExtremeValue<Jacobian> is never
       // built. Setting one would make supportsDerivative() true and the model
       // evaluator would advertise DgDx for a response nothing can fill.
     }
   }
 
   ScalarT value;
 
   virtual void scatterResponse();
 
   virtual void initializeResponse()
   { if(useMax_)
       value = -std::numeric_limits<ScalarT>::max();
     else
       value =  std::numeric_limits<ScalarT>::max();
 
     if(ghostedContainer_!=Teuchos::null) ghostedContainer_->initialize(); }
 
   // from ResponseMESupport_Default
 
   virtual std::size_t localSizeRequired() const { return 1; }
 
   virtual bool vectorIsDistributed() const { return false; }
 
   Teuchos::RCP<Thyra::VectorBase<double> > getGhostedVector() const
   { return Teuchos::rcp_dynamic_cast<const ThyraObjContainer<double> >(ghostedContainer_)->get_x_th(); }
 
   void adjustForDirichletConditions(const GlobalEvaluationData & localBCRows,const GlobalEvaluationData & globalBCRows);
 
private:
   void setSolnVectorSpace(const Teuchos::RCP<const Thyra::VectorSpaceBase<double> > & soln_vs);
 
   // hide these methods
   Response_ExtremeValue();
   Response_ExtremeValue(const Response_ExtremeValue &);
 
   Teuchos::RCP<const panzer::LinearObjFactory<panzer::Traits> > linObjFactory_;
   Teuchos::RCP<const panzer::ThyraObjFactory<double> > thyraObjFactory_;
 
   Teuchos::RCP<LinearObjContainer> uniqueContainer_;
   Teuchos::RCP<LinearObjContainer> ghostedContainer_;
 
   bool useMax_;
};
 
}
 
#endif