Panzer_ResponseMESupport_Default.hpp

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//           Panzer: A partial differential equation assembly
//       engine for strongly coupled complex multiphysics systems
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#ifndef __Panzer_ResponseMESupport_Default_hpp__
#define __Panzer_ResponseMESupport_Default_hpp__

#include "Teuchos_DefaultMpiComm.hpp"
#include "Teuchos_ArrayRCP.hpp"
#include "Teuchos_RCP.hpp"
#include "Teuchos_OpaqueWrapper.hpp"

#include "Panzer_ResponseMESupportBase.hpp"

#include "Thyra_DefaultSpmdVectorSpace.hpp"
#include "Thyra_SpmdVectorBase.hpp"

#include "PanzerDiscFE_config.hpp"
#ifdef PANZER_HAVE_EPETRA_STACK
#include "Epetra_LocalMap.h"
#include "Epetra_Map.h"
#include "Thyra_EpetraThyraWrappers.hpp"
#endif

namespace panzer {

template <typename EvalT>
class ResponseMESupport_Default : public ResponseMESupportBase<EvalT> {
public:
   ResponseMESupport_Default(const std::string & responseName,MPI_Comm comm)
     : ResponseMESupportBase<EvalT>(responseName), useEpetra_(false),
#ifdef PANZER_HAVE_EPETRA_STACK
     eComm_(comm),
#endif
     useThyra_(false)
   {
     tComm_ = Teuchos::rcp(new Teuchos::MpiComm<Thyra::Ordinal>(Teuchos::opaqueWrapper(comm)));
   }

   virtual ~ResponseMESupport_Default() {}

   virtual std::size_t localSizeRequired() const = 0;

   virtual bool vectorIsDistributed() const = 0;

#ifdef PANZER_HAVE_EPETRA_STACK
   // This is the epetra view of the world

   Teuchos::RCP<const Epetra_Map> getMap() const;

   void setVector(const Teuchos::RCP<Epetra_Vector> & destVec);
#endif

   // This is the Thyra view of the world

   Teuchos::RCP<const Thyra::VectorSpaceBase<double> > getVectorSpace() const;

   void setVector(const Teuchos::RCP<Thyra::VectorBase<double> > & destVec);

   void setVectorSpace(Teuchos::RCP<const Thyra::VectorSpaceBase<double> > vs)
   { vSpace_ = vs; }

   Teuchos::RCP<Thyra::VectorBase<double> > getVector() const
   { return tVector_; }

protected:
   Teuchos::RCP<const Teuchos::Comm<Thyra::Ordinal> > getComm() const { return tComm_; }

   bool useEpetra() const { return useEpetra_; }

   bool useThyra() const { return useThyra_; }

#ifdef PANZER_HAVE_EPETRA_STACK
   Epetra_Vector & getEpetraVector() const;
#endif

   Thyra::ArrayRCP<double> getThyraVector() const;

    Teuchos::RCP<Thyra::MultiVectorBase<double> > getThyraMultiVector() const
    { return tVector_;}


private:
   // hide these methods
   ResponseMESupport_Default();
   ResponseMESupport_Default(const ResponseMESupport_Default<EvalT> &);

   bool useEpetra_;
#ifdef PANZER_HAVE_EPETRA_STACK
   Epetra_MpiComm eComm_;
   mutable Teuchos::RCP<const Epetra_Map> map_;
   Teuchos::RCP<Epetra_Vector> eVector_;
#endif

   bool useThyra_;
   mutable Teuchos::RCP<const Thyra::VectorSpaceBase<double> > vSpace_;
   Teuchos::RCP<Thyra::VectorBase<double> > tVector_;
   Teuchos::RCP<const Teuchos::Comm<Thyra::Ordinal> > tComm_;
};

template < >
class ResponseMESupport_Default<panzer::Traits::Jacobian> : public ResponseMESupportBase<panzer::Traits::Jacobian> {
public:

   ResponseMESupport_Default(const std::string & responseName,MPI_Comm comm,
                             const Teuchos::RCP<const Thyra::VectorSpaceBase<double> > & derivVecSpace=Teuchos::null)
     : ResponseMESupportBase<panzer::Traits::Jacobian>(responseName), derivVecSpace_(derivVecSpace)
   { tComm_ = Teuchos::rcp(new Teuchos::MpiComm<Thyra::Ordinal>(Teuchos::opaqueWrapper(comm))); }

   virtual ~ResponseMESupport_Default() {}

   virtual std::size_t localSizeRequired() const = 0;

   virtual bool vectorIsDistributed() const = 0;

   bool supportsDerivative() const { return getDerivativeVectorSpace()!=Teuchos::null; }

   Teuchos::RCP<Thyra::MultiVectorBase<double> > getDerivative() const
   { return derivative_; }

#ifdef PANZER_HAVE_EPETRA_STACK
   // This is the epetra view of the world

   virtual Teuchos::RCP<Epetra_MultiVector> buildEpetraDerivative() const
   {
     TEUCHOS_ASSERT(!vectorIsDistributed());
     TEUCHOS_ASSERT(localSizeRequired()==1);
     TEUCHOS_ASSERT(supportsDerivative());

     if(eMap_==Teuchos::null)
       eMap_ = Thyra::get_Epetra_Map(*getDerivativeVectorSpace(),Thyra::get_Epetra_Comm(*tComm_));

     return Teuchos::rcp(new Epetra_Vector(*eMap_));
   }

   virtual void setDerivative(const Teuchos::RCP<Epetra_MultiVector> & derivative)
   {
     TEUCHOS_ASSERT(!vectorIsDistributed());
     TEUCHOS_ASSERT(localSizeRequired()==1);
     TEUCHOS_ASSERT(supportsDerivative());
     TEUCHOS_ASSERT(eMap_!=Teuchos::null);

     derivative_ = Thyra::create_MultiVector(derivative,getDerivativeVectorSpace());
   }
#endif

   // This is the Thyra view of the world

   virtual Teuchos::RCP<Thyra::MultiVectorBase<double> > buildDerivative() const
   {
     TEUCHOS_ASSERT(!vectorIsDistributed());
     TEUCHOS_ASSERT(localSizeRequired()==1);
     TEUCHOS_ASSERT(supportsDerivative());
     return Thyra::createMember(*getDerivativeVectorSpace());
   }

   virtual void setDerivative(const Teuchos::RCP<Thyra::MultiVectorBase<double> > & derivative)
   {
     TEUCHOS_ASSERT(!vectorIsDistributed());
     TEUCHOS_ASSERT(localSizeRequired()==1);
     TEUCHOS_ASSERT(supportsDerivative());
     derivative_ = derivative;
   }

protected:
   Teuchos::RCP<const Teuchos::Comm<Thyra::Ordinal> > getComm() const { return tComm_; }

   Teuchos::RCP<const Thyra::VectorSpaceBase<double> > getDerivativeVectorSpace() const
   { return derivVecSpace_; }

   void setDerivativeVectorSpace(const Teuchos::RCP<const Thyra::VectorSpaceBase<double> > & vs)
   { derivVecSpace_ = vs; }

private:
   // hide these methods
   ResponseMESupport_Default();
   ResponseMESupport_Default(const ResponseMESupport_Default<panzer::Traits::Jacobian> &);

   Teuchos::RCP<const Teuchos::Comm<Thyra::Ordinal> > tComm_;
   Teuchos::RCP<const Thyra::VectorSpaceBase<double> > derivVecSpace_;
#ifdef PANZER_HAVE_EPETRA_STACK
   mutable Teuchos::RCP<const Epetra_Map> eMap_;
#endif

   Teuchos::RCP<Thyra::MultiVectorBase<double> > derivative_;
};

template < >
class ResponseMESupport_Default<panzer::Traits::Tangent> : public ResponseMESupportBase<panzer::Traits::Tangent> {
public:
  typedef panzer::Traits::Tangent EvalT;

    ResponseMESupport_Default(const std::string & responseName,MPI_Comm comm)
     : ResponseMESupportBase<EvalT>(responseName), useEpetra_(false),
#ifdef PANZER_HAVE_EPETRA_STACK
      eComm_(comm),
#endif
     useThyra_(false)
   {
     tComm_ = Teuchos::rcp(new Teuchos::MpiComm<Thyra::Ordinal>(Teuchos::opaqueWrapper(comm)));
   }

   virtual ~ResponseMESupport_Default() {}

   virtual std::size_t localSizeRequired() const = 0;

   virtual bool vectorIsDistributed() const = 0;

#ifdef PANZER_HAVE_EPETRA_STACK
   // This is the epetra view of the world

   Teuchos::RCP<const Epetra_Map> getMap() const {
     TEUCHOS_TEST_FOR_EXCEPTION(useThyra_,std::logic_error,
                                "Reponse field \"" << this->getName() << "\" has previously been initialized as a "
                                "Thyra object, now trying to initalize as a Epetra! Error!");
     // lazily construct the map only as needed
     if(map_==Teuchos::null) {
       if(this->vectorIsDistributed())
         map_ = Teuchos::rcp(new Epetra_Map(-1,(int) this->localSizeRequired(),0,eComm_));
       else
         map_ = Teuchos::rcp(new Epetra_LocalMap((int) this->localSizeRequired(),0,eComm_));
     }
     return map_;
   }

   void setVector(const Teuchos::RCP<Epetra_MultiVector> & destVec) {
     TEUCHOS_TEST_FOR_EXCEPTION(useThyra_,std::logic_error,
                                "Reponse field \"" << this->getName() << "\" has previously been initialized as a "
                                "Thyra object, now trying to initalize as a Epetra! Error!");
     eVector_ = destVec;
     useEpetra_ = true;
   }
#endif

   // This is the Thyra view of the world

   Teuchos::RCP<const Thyra::VectorSpaceBase<double> > getVectorSpace() const {
     TEUCHOS_TEST_FOR_EXCEPTION(useEpetra_,std::logic_error,
                                "Reponse field \"" << this->getName() << "\" has previously been initialized as an "
                                "Epetra object, now trying to initalize as a Thyra object! Error!");
     // lazily build the space and return it
     if(vSpace_==Teuchos::null) {
       if(this->vectorIsDistributed())
         vSpace_ = Thyra::defaultSpmdVectorSpace<double>(tComm_,this->localSizeRequired(),-1);
       else
         vSpace_ = Thyra::locallyReplicatedDefaultSpmdVectorSpace<double>(tComm_,this->localSizeRequired());
     }
     return vSpace_;
   }

   void setVector(const Teuchos::RCP<Thyra::MultiVectorBase<double> > & destVec) {
     TEUCHOS_TEST_FOR_EXCEPTION(useEpetra_,std::logic_error,
                                "Reponse field \"" << this->getName() << "\" has previously been initialized as an "
                                "Epetra object, now trying to initalize as a Thyra object! Error!");
     tVector_ = destVec;
     useThyra_ = true;
   }

protected:
   Teuchos::RCP<const Teuchos::Comm<Thyra::Ordinal> > getComm() const { return tComm_; }

   bool useEpetra() const { return useEpetra_; }

   bool useThyra() const { return useThyra_; }

#ifdef PANZER_HAVE_EPETRA_STACK
   Epetra_MultiVector & getEpetraMultiVector() const {
     TEUCHOS_ASSERT(useEpetra());
     return *eVector_;
   }
#endif

   Thyra::ArrayRCP< Thyra::ArrayRCP<double> > getThyraMultiVector() const {
     TEUCHOS_ASSERT(useThyra());
     const int num_col = tVector_->domain()->dim();
     Thyra::ArrayRCP< Thyra::ArrayRCP<double> > data(num_col);
     for (int i=0; i<num_col; ++i)
       Teuchos::rcp_dynamic_cast<Thyra::SpmdVectorBase<double> >(tVector_->col(i),true)->getNonconstLocalData(Teuchos::outArg(data[i]));
     return data;
  }

  int numDeriv() const {
#ifdef PANZER_HAVE_EPETRA_STACK
    if (useEpetra())
      return eVector_->NumVectors();
    else
#endif
      return tVector_->domain()->dim();
  }


private:
   // hide these methods
   ResponseMESupport_Default();
   ResponseMESupport_Default(const ResponseMESupport_Default<EvalT> &);

   bool useEpetra_;
#ifdef PANZER_HAVE_EPETRA_STACK
   Epetra_MpiComm eComm_;
   mutable Teuchos::RCP<const Epetra_Map> map_;
   Teuchos::RCP<Epetra_MultiVector> eVector_;
#endif

   bool useThyra_;
   mutable Teuchos::RCP<const Thyra::VectorSpaceBase<double> > vSpace_;
   Teuchos::RCP<Thyra::MultiVectorBase<double> > tVector_;
   Teuchos::RCP<const Teuchos::Comm<Thyra::Ordinal> > tComm_;
};

#ifdef Panzer_BUILD_HESSIAN_SUPPORT

template < >
class ResponseMESupport_Default<panzer::Traits::Hessian> : public ResponseMESupportBase<panzer::Traits::Hessian> {
public:

   ResponseMESupport_Default(const std::string & responseName,MPI_Comm comm,
                             const Teuchos::RCP<const Thyra::VectorSpaceBase<double> > & derivVecSpace=Teuchos::null)
     : ResponseMESupportBase<panzer::Traits::Hessian>(responseName), derivVecSpace_(derivVecSpace)
   { tComm_ = Teuchos::rcp(new Teuchos::MpiComm<Thyra::Ordinal>(Teuchos::opaqueWrapper(comm))); }

   virtual ~ResponseMESupport_Default() {}

   virtual std::size_t localSizeRequired() const = 0;

   virtual bool vectorIsDistributed() const = 0;

   bool supportsDerivative() const { return getDerivativeVectorSpace()!=Teuchos::null; }

   Teuchos::RCP<Thyra::MultiVectorBase<double> > getDerivative() const
   { return derivative_; }

   virtual Teuchos::RCP<Thyra::MultiVectorBase<double> > buildDerivative() const
   {
     TEUCHOS_ASSERT(!vectorIsDistributed());
     TEUCHOS_ASSERT(localSizeRequired()==1);
     TEUCHOS_ASSERT(supportsDerivative());
     return Thyra::createMember(*getDerivativeVectorSpace());
   }

   virtual void setDerivative(const Teuchos::RCP<Thyra::MultiVectorBase<double> > & derivative)
   {
     TEUCHOS_ASSERT(!vectorIsDistributed());
     TEUCHOS_ASSERT(localSizeRequired()==1);
     TEUCHOS_ASSERT(supportsDerivative());
     derivative_ = derivative;
   }

protected:
   Teuchos::RCP<const Teuchos::Comm<Thyra::Ordinal> > getComm() const { return tComm_; }

   Teuchos::RCP<const Thyra::VectorSpaceBase<double> > getDerivativeVectorSpace() const
   { return derivVecSpace_; }

   void setDerivativeVectorSpace(const Teuchos::RCP<const Thyra::VectorSpaceBase<double> > & vs)
   { derivVecSpace_ = vs; }

private:
   // hide these methods
   ResponseMESupport_Default();
   ResponseMESupport_Default(const ResponseMESupport_Default<panzer::Traits::Hessian> &);

   Teuchos::RCP<const Teuchos::Comm<Thyra::Ordinal> > tComm_;
   Teuchos::RCP<const Thyra::VectorSpaceBase<double> > derivVecSpace_;

   Teuchos::RCP<Thyra::MultiVectorBase<double> > derivative_;
};

#endif

}

#include "Panzer_ResponseMESupport_Default_impl.hpp"

#endif