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/*
* Copyright (c) 2019 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_STACK_LAYER_NODE_H
#define ARM_COMPUTE_GRAPH_STACK_LAYER_NODE_H
#include "arm_compute/graph/INode.h"
namespace arm_compute
{
namespace graph
{
/** Stack Layer node */
class StackLayerNode final : public INode
{
public:
/** Constructor
*
* @param[in] total_nodes Number of nodes that will get stacked
* @param[in] axis Axis alogn which to stack the input tensors
*/
StackLayerNode(unsigned int total_nodes, int axis);
/** Computes stack output descriptor
*
* @param[in] input_descriptors Input descriptors
* @param[in] axis Axis along which to stack the input tensors
*
* @return Expected output descriptor
*/
static TensorDescriptor compute_output_descriptor(const std::vector<TensorDescriptor> &input_descriptors, int axis);
/** Stack axis parameter accessor
*
* @return Stack axis
*/
int axis() const;
// Inherited overridden methods:
NodeType type() const override;
bool forward_descriptors() override;
TensorDescriptor configure_output(size_t idx) const override;
void accept(INodeVisitor &v) override;
private:
unsigned int _total_nodes;
int _axis;
};
} // namespace graph
} // namespace arm_compute
#endif /* ARM_COMPUTE_GRAPH_STACK_LAYER_NODE_H */
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