Panzer_Parameter_impl.hpp

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//           Panzer: A partial differential equation assembly
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#ifndef PANZER_PARAMETER_IMPL_HPP
#define PANZER_PARAMETER_IMPL_HPP
 
#include "PanzerDiscFE_config.hpp"
#include "Panzer_ScalarParameterEntry.hpp"
#include "Panzer_ParameterLibraryUtilities.hpp"
#include <cstddef>
#include <string>
#include <vector>
 
namespace panzer {
 
//**********************************************************************
template<typename EvalT, typename TRAITS>
Parameter<EvalT, TRAITS>::
Parameter(const std::string parameter_name,
    const std::string field_name,
    const Teuchos::RCP<PHX::DataLayout>& data_layout,
    panzer::ParamLib& param_lib)
{
  target_field = PHX::MDField<ScalarT, Cell, Point>(field_name, data_layout);
 
  this->addEvaluatedField(target_field);
 
  //param = panzer::accessScalarParameter<EvalT>(parameter_name,param_lib);
  param = panzer::createAndRegisterScalarParameter<EvalT>(parameter_name,param_lib);
    // no initialization, this will be done by someone else (possibly the ME) later
 
  std::string n = "Parameter Evaluator";
  this->setName(n);
}
 
//**********************************************************************
template<typename EvalT, typename TRAITS>
void Parameter<EvalT, TRAITS>::
evaluateFields(typename TRAITS::EvalData workset)
{
  //std::cout << "Parameter::evalauteFields() ParamValue = " << param->getValue() << std::endl;
  auto param_val = param->getValue();
  auto target_field_v = target_field.get_static_view();
  auto target_field_h = Kokkos::create_mirror_view(target_field_v);
  
  for (int cell=0; cell < workset.num_cells; ++cell) {
    for (std::size_t pt=0; pt<target_field_v.extent(1); ++pt)
      target_field_h(cell,pt) = param_val;
  }
  Kokkos::deep_copy(target_field_v, target_field_h);
 
}
 
//**********************************************************************
 
}
 
#endif