Panzer_GatherIntegrationCoordinates_impl.hpp

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//           Panzer: A partial differential equation assembly
//       engine for strongly coupled complex multiphysics systems
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#ifndef PANZER_GATHER_INTEGRATION_COORDINATES_IMPL_HPP
#define PANZER_GATHER_INTEGRATION_COORDINATES_IMPL_HPP
 
#include "Teuchos_Assert.hpp"
#include "Phalanx_DataLayout.hpp"
 
#include "Panzer_IntegrationRule.hpp"
#include "Panzer_Workset_Utilities.hpp"
 
#include "Teuchos_FancyOStream.hpp"
 
template<typename EvalT,typename TRAITS>
std::string 
panzer::GatherIntegrationCoordinates<EvalT, TRAITS>::
fieldName(int degree)
{
   std::stringstream ss; 
   ss << "IR_" << degree << " IntegrationCoordinates";
   return ss.str();
}
 
template<typename EvalT,typename TRAITS>
panzer::GatherIntegrationCoordinates<EvalT, TRAITS>::
GatherIntegrationCoordinates(const panzer::IntegrationRule & quad)
{ 
  quadDegree_ = quad.cubature_degree;
 
  quadCoordinates_ = PHX::MDField<ScalarT,Cell,Point,Dim>(fieldName(quadDegree_),quad.dl_vector);
 
  this->addEvaluatedField(quadCoordinates_);
 
  this->setName("Gather "+fieldName(quadDegree_));
}
 
// **********************************************************************
template<typename EvalT,typename TRAITS>
void panzer::GatherIntegrationCoordinates<EvalT, TRAITS>::
postRegistrationSetup(typename TRAITS::SetupData sd, 
          PHX::FieldManager<TRAITS>& /* fm */)
{
  quadIndex_ = panzer::getIntegrationRuleIndex(quadDegree_, (*sd.worksets_)[0], this->wda);
}
 
// **********************************************************************
template<typename EvalT,typename TRAITS> 
void panzer::GatherIntegrationCoordinates<EvalT, TRAITS>::
evaluateFields(typename TRAITS::EvalData workset)
{ 
  // const Kokkos::DynRankView<double,PHX::Device> & quadCoords = this->wda(workset).int_rules[quadIndex_]->ip_coordinates;  
  const IntegrationValues2<double> & iv = *this->wda(workset).int_rules[quadIndex_];
  auto s_ip_coordinates = iv.ip_coordinates.get_static_view();
  auto d_quadCoordinates = quadCoordinates_.get_static_view();
 
  // just copy the array
  Kokkos::parallel_for("GatherIntegrationCoords", s_ip_coordinates.extent_int(0), KOKKOS_LAMBDA (int i) {
    for(int j=0;j<s_ip_coordinates.extent_int(1);j++)
      for(int k=0;k<s_ip_coordinates.extent_int(2);k++)
  d_quadCoordinates(i,j,k) = s_ip_coordinates(i,j,k);
    });
}
 
// **********************************************************************
#endif