text: // Copyright (C) 2018-2021 Intel Corporation
  // SPDX-License-Identifier: Apache-2.0
  //
  
  #pragma once
  
  #include "ngraph/op/op.hpp"
  
  namespace ngraph
  {
      namespace op
      {
          namespace v1
          {
              /// \brief Elementwise logical negation operation.
              class NGRAPH_API LogicalNot : public Op
              {
              public:
                  NGRAPH_RTTI_DECLARATION;
                  /// \brief Constructs a logical negation operation.
                  LogicalNot() = default;
                  /// \brief Constructs a logical negation operation.
                  ///
                  /// \param arg Node that produces the input tensor.
                  LogicalNot(const Output<Node>& arg);
  
                  bool visit_attributes(AttributeVisitor& visitor) override;
                  void validate_and_infer_types() override;
  
                  virtual std::shared_ptr<Node>
                      clone_with_new_inputs(const OutputVector& new_args) const override;
                  bool evaluate(const HostTensorVector& outputs,
                                const HostTensorVector& inputs) const override;
              };
          } // namespace v1
      }     // namespace op
  } // namespace ngraph
  