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/*
* Copyright (c) 2017-2018 ARM Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __ARM_COMPUTE_GRAPH_BRANCH_LAYER_H__
#define __ARM_COMPUTE_GRAPH_BRANCH_LAYER_H__
#include "arm_compute/graph/GraphContext.h"
#include "arm_compute/graph/INode.h"
#include "arm_compute/graph/ITensorObject.h"
#include "arm_compute/graph/SubGraph.h"
#include "arm_compute/graph/SubTensor.h"
#include "arm_compute/graph/Types.h"
#include "arm_compute/core/utils/misc/Utility.h"
#include <vector>
namespace arm_compute
{
namespace graph
{
/** Branch Layer node */
class BranchLayer final : public INode
{
public:
/** Default Constructor
*
* @param[in] merge_method Branch merging method
* @param[in] sub_graph1 First graph branch
* @param[in] sub_graph2 Second graph branch
* @param[in] rest_sub_graphs Rest sub-graph branches
*/
template <typename... Ts>
BranchLayer(BranchMergeMethod merge_method, SubGraph &&sub_graph1, SubGraph &&sub_graph2, Ts &&... rest_sub_graphs)
: _branch_merge_method(merge_method), _sub_graphs()
{
/* TODO:(geopin01) Use traits to make sure variadic arguments are of SubGraph type */
_sub_graphs.push_back(arm_compute::support::cpp14::make_unique<SubGraph>(std::move(sub_graph1)));
_sub_graphs.push_back(arm_compute::support::cpp14::make_unique<SubGraph>(std::move(sub_graph2)));
utility::for_each([&](SubGraph && sub_graph)
{
_sub_graphs.push_back(arm_compute::support::cpp14::make_unique<SubGraph>(std::move(sub_graph)));
},
std::move(rest_sub_graphs)...);
}
/** Default Constructor
*
* @param[in] sub_graph Sub graph
*/
template <typename... Ts>
BranchLayer(SubGraph &&sub_graph)
: _branch_merge_method(BranchMergeMethod::DEPTH_CONCATENATE), _sub_graphs()
{
/* TODO:(geopin01) Use traits to make sure variadic arguments are of SubGraph type */
_sub_graphs.push_back(arm_compute::support::cpp14::make_unique<SubGraph>(std::move(sub_graph)));
}
// Inherited methods overriden:
std::unique_ptr<arm_compute::IFunction> instantiate_node(GraphContext &ctx, ITensorObject *input, ITensorObject *output) override;
private:
BranchMergeMethod _branch_merge_method;
std::vector<std::unique_ptr<SubGraph>> _sub_graphs;
};
} // namespace graph
} // namespace arm_compute
#endif /* __ARM_COMPUTE_GRAPH_BRANCH_LAYER_H__ */
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