//*****************************************************************************
// Copyright 2017-2018 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 "ngraph/op/op.hpp"

namespace ngraph
{
    namespace op
    {
        namespace util
        {
            class IndexReduction : public Op
            {
            public:
                size_t get_reduction_axis() const { return m_axis; }
                element::Type get_index_element_type() const { return m_index_element_type; }
                IndexReduction(const std::string& node_type,
                               const std::shared_ptr<Node>& arg,
                               size_t axis,
                               const element::Type& index_element_type);

            protected:
                size_t m_axis;
                element::Type m_index_element_type;
                virtual void generate_adjoints(autodiff::Adjoints& adjoints,
                                               const NodeVector& deltas) override;
            };
        }
    }
}
