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+/*
+ * Copyright (c) 2017 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/Helpers.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)));
+
+ 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)...);
+ }
+
+ // 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__ */