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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_INODE_H__
#define __ARM_COMPUTE_GRAPH_INODE_H__
#include "arm_compute/graph/Types.h"
#include "arm_compute/runtime/IFunction.h"
#include <memory>
namespace arm_compute
{
namespace graph
{
/** Node interface */
class INode
{
public:
/** Virtual Destructor */
virtual ~INode() = default;
/** Interface to be implemented that instantiates the node
*
* @param[in] hint Hint to where the node should be executed
* @param[in] input Input tensor of the node
* @param[in] output Output tensor of the node
*/
virtual std::unique_ptr<arm_compute::IFunction> instantiate_node(Hint hint, ITensor *input, ITensor *output) = 0;
/** Override the existing hint
*
* @note If the input is DONT_CARE then the method has to pick a technology,
* else it can accept the hint or override it (But not with DONT_CARE)
*
* @param[in] hint Hint to be considered
*
* @return The updated hint
*/
Hint override_hint(Hint hint) const;
virtual void print_info() = 0;
protected:
/** Interface to be implement that override the hint
*
* @param[in] hint Hint to be considered
*
* @return The updated hint
*/
virtual Hint node_override_hint(Hint hint) const;
protected:
Hint _hint{ Hint::DONT_CARE };
ITensor *_input{ nullptr };
ITensor *_output{ nullptr };
};
} // namespace graph
} // namespace arm_compute
#endif /* __ARM_COMPUTE_GRAPH_INODE_H__ */
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