Panzer_ZeroContributedField.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_ZEROCONTRIBUTEDFIELD_HPP
#define   PANZER_ZEROCONTRIBUTEDFIELD_HPP

//
//  Include Files
//

// Panzer
#include "Panzer_Evaluator_WithBaseImpl.hpp"

// Phalanx
#include "Phalanx_Evaluator_Derived.hpp"
#include "Phalanx_MDField.hpp"

namespace panzer
{
  template<typename EvalT, typename Traits>
  class ZeroContributedField
    :
    public panzer::EvaluatorWithBaseImpl<Traits>,
    public PHX::EvaluatorDerived<EvalT, Traits>
  {
    public:

      ZeroContributedField(
        const std::string& fieldName,
        PHX::DataLayout&   layout);

      void
      evaluateFields(
        typename Traits::EvalData d) override;

    private:

      using ScalarT = typename EvalT::ScalarT;

      PHX::MDField<ScalarT> field_;

  }; // end of class ZeroContributedField

} // end of namespace panzer

#endif // PANZER_ZEROCONTRIBUTEDFIELD_HPP