Panzer_GatherBasisCoordinates_impl.hpp

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//           Panzer: A partial differential equation assembly
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#ifndef PANZER_GATHER_BASIS_COORDINATES_IMPL_HPP
#define PANZER_GATHER_BASIS_COORDINATES_IMPL_HPP
 
#include "Teuchos_Assert.hpp"
#include "Phalanx_DataLayout.hpp"
 
#include "Panzer_GlobalIndexer.hpp"
#include "Panzer_PureBasis.hpp"
#include "Panzer_Workset_Utilities.hpp"
 
#include "Teuchos_FancyOStream.hpp"
 
template<typename EvalT,typename TRAITS>
std::string 
panzer::GatherBasisCoordinates<EvalT, TRAITS>::
fieldName(const std::string & basisName)
{
   std::stringstream ss; 
   ss << "Basis_" << basisName << " BasisCoordinates";
   return ss.str();
}
 
template<typename EvalT,typename TRAITS>
panzer::GatherBasisCoordinates<EvalT, TRAITS>::
GatherBasisCoordinates(const panzer::PureBasis & basis)
{ 
  basisName_ = basis.name();
 
  basisCoordinates_ = PHX::MDField<ScalarT,Cell,BASIS,Dim>(fieldName(basisName_),basis.coordinates);
 
  this->addEvaluatedField(basisCoordinates_);
 
  this->setName("Gather "+fieldName(basisName_));
}
 
// **********************************************************************
template<typename EvalT,typename TRAITS>
void panzer::GatherBasisCoordinates<EvalT, TRAITS>::
postRegistrationSetup(typename TRAITS::SetupData sd, 
          PHX::FieldManager<TRAITS>& /* fm */)
{
  basisIndex_ = panzer::getPureBasisIndex(basisName_, (*sd.worksets_)[0], this->wda);
}
 
// **********************************************************************
template<typename EvalT,typename TRAITS> 
void panzer::GatherBasisCoordinates<EvalT, TRAITS>::
evaluateFields(typename TRAITS::EvalData workset)
{ 
  // const Kokkos::DynRankView<double,PHX::Device> & basisCoords = this->wda(workset).bases[basisIndex_]->basis_coordinates;  
  const Teuchos::RCP<const BasisValues2<double> > bv = this->wda(workset).bases[basisIndex_];
 
  // just copy the array
  auto d_basisCoordinates = basisCoordinates_.get_static_view();
  auto s_basis_coordinates = bv->basis_coordinates.get_static_view();
  Kokkos::parallel_for("GatherBasisCoords",s_basis_coordinates.extent_int(0), KOKKOS_LAMBDA(int i) {
    for(int j=0;j<s_basis_coordinates.extent_int(1);j++)
      for(int k=0;k<s_basis_coordinates.extent_int(2);k++)
          d_basisCoordinates(i,j,k)= s_basis_coordinates(i,j,k);
    });
  Kokkos::fence();
}
 
#endif