// Copyright (C) 2018-2022 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
//

#pragma once

#include "openvino/op/op.hpp"

namespace ov {
namespace op {
namespace v4 {
/// \brief A Swish Activation Function
/// f(x) =  x / (1.0 + exp(-beta * x)) or
/// f(x) = x * sigmoid(beta * x)
///
class OPENVINO_API Swish : public Op {
public:
    OPENVINO_OP("Swish", "opset4", op::Op, 4);
    BWDCMP_RTTI_DECLARATION;
    Swish() = default;

    /// \brief Constructs an Swish operation.
    ///
    /// \param data Input tensor
    /// \param beta Scalar with beta value. If the argument is not specified then use
    /// the default value 1.0
    Swish(const Output<Node>& arg, const Output<Node>& beta);
    explicit Swish(const Output<Node>& arg);

    bool visit_attributes(AttributeVisitor& visitor) override;
    void validate_and_infer_types() override;

    std::shared_ptr<Node> clone_with_new_inputs(const OutputVector& new_args) const override;
    OPENVINO_SUPPRESS_DEPRECATED_START
    bool evaluate(const HostTensorVector& outputs, const HostTensorVector& inputs) const override;
    OPENVINO_SUPPRESS_DEPRECATED_END
    bool has_evaluate() const override;
};
}  // namespace v4
}  // namespace op
}  // namespace ov
