rnn_sequence.hpp

//*****************************************************************************
// Copyright 2020 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//*****************************************************************************
 
#pragma once
 
#include <memory>
#include <string>
#include <vector>
 
#include "ngraph/op/op.hpp"
#include "ngraph/op/util/rnn_cell_base.hpp"
 
namespace ngraph
{
    namespace op
    {
        namespace v5
        {
            class NGRAPH_API RNNSequence : public util::RNNCellBase
            {
            public:
                NGRAPH_RTTI_DECLARATION;
 
                RNNSequence();
 
                RNNSequence(
                    const Output<Node>& X,
                    const Output<Node>& H_t,
                    const Output<Node>& sequence_lengths,
                    const Output<Node>& W,
                    const Output<Node>& R,
                    const Output<Node>& B,
                    size_t hidden_size,
                    op::RecurrentSequenceDirection direction,
                    const std::vector<std::string>& activations = std::vector<std::string>{"tanh"},
                    const std::vector<float>& activations_alpha = {},
                    const std::vector<float>& activations_beta = {},
                    float clip = 0.f);
 
                std::shared_ptr<Node>
                    clone_with_new_inputs(const OutputVector& new_args) const override;
 
                void validate_and_infer_types() override;
 
                bool visit_attributes(AttributeVisitor& visitor) override;
 
                op::RecurrentSequenceDirection get_direction() const { return m_direction; }
            protected:
                op::RecurrentSequenceDirection m_direction;
            };
        }
    } // namespace op
} // namespace ngraph