Panzer_CellExtreme.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_CellExtreme_hpp__
#define __Panzer_CellExtreme_hpp__
 
#include <string>
#include "Panzer_Dimension.hpp"
#include "Phalanx_Evaluator_Macros.hpp"
#include "Phalanx_MDField.hpp"
#include "Kokkos_DynRankView.hpp"
 
#include "Panzer_Evaluator_Macros.hpp"
 
namespace panzer {
    
template<typename EvalT, typename Traits>
class CellExtreme
  :
  public panzer::EvaluatorWithBaseImpl<Traits>,
  public PHX::EvaluatorDerived<EvalT, Traits>
{
  public:
 
    CellExtreme(
      const Teuchos::ParameterList& p);
 
    void
    postRegistrationSetup(
      typename Traits::SetupData d,
      PHX::FieldManager<Traits>& fm);
 
    void
    evaluateFields(
      typename Traits::EvalData d);
 
  private:
 
    using ScalarT = typename EvalT::ScalarT;
  
  PHX::MDField<ScalarT> extreme;  // result
    
  PHX::MDField<const ScalarT,Cell,IP> scalar; // function to be integrated
 
  std::vector<PHX::MDField<const ScalarT,Cell,IP> > field_multipliers;
  double multiplier;
 
  std::size_t num_qp;
  std::size_t quad_index;
  int quad_order;
 
  bool use_max; // true ... if false then this is a "min"
 
public:
  // for testing purposes
  const PHX::FieldTag & getFieldTag() const 
  { return extreme.fieldTag(); }
 
private:
  Teuchos::RCP<Teuchos::ParameterList> getValidParameters() const;
 
}; // end of class CellExtreme
 
 
}
 
#endif