Panzer_Constant_decl.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_EVALUATOR_CONSTANT_DECL_HPP
#define PANZER_EVALUATOR_CONSTANT_DECL_HPP
 
#include "PanzerDiscFE_config.hpp"
#include "Phalanx_Evaluator_Macros.hpp"
#include "Phalanx_MDField.hpp"
#include "Panzer_Evaluator_Macros.hpp"
 
namespace panzer {
    
template<typename EvalT, typename Traits>
class Constant
  :
  public panzer::EvaluatorWithBaseImpl<Traits>,
  public PHX::EvaluatorDerived<EvalT, Traits>
{
  public:
 
    Constant(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;
  
  double value;
  
  PHX::MDField<ScalarT> constant;
  
}; // end of class Constant
 
 
}
 
#endif