mish.hpp

// Copyright (C) 2018-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
//
 
#pragma once
 
#include "ngraph/node.hpp"
#include "ngraph/op/op.hpp"
 
namespace ngraph
{
    namespace op
    {
        namespace v4
        {
            /// \brief A Self Regularized Non-Monotonic Neural Activation Function
            /// f(x) =  x * tanh(log(exp(x) + 1.))
            ///
            class NGRAPH_API Mish : public ngraph::op::Op
            {
            public:
                static constexpr NodeTypeInfo type_info{"Mish", 4};
                const NodeTypeInfo& get_type_info() const override { return type_info; }
                Mish() = default;
                /// \brief Constructs an Mish operation.
                ///
                /// \param data Input tensor
                Mish(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;
                bool has_evaluate() const override;
            };
        } // namespace v4
    }     // namespace op
} // namespace ngraph