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/*
* Copyright (c) 2018-2020 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_NE_SLICE_H
#define ARM_COMPUTE_NE_SLICE_H
#include "arm_compute/runtime/IFunction.h"
#include "arm_compute/runtime/NEON/INEOperator.h"
namespace arm_compute
{
// Forward Declarations
class ITensor;
namespace experimental
{
/** Basic function to perform tensor slicing */
class NESlice : public INEOperator
{
public:
/** Configure kernel
*
* @note Supported tensor rank: up to 4
* @note Start indices must be non-negative. 0 <= starts[i]
* @note End coordinates can be negative, which represents the number of elements before the end of that dimension.
* @note End indices are not inclusive unless negative.
*
* @param[in] input Source tensor info. Data type supported: All
* @param[out] output Destination tensor info. Data type supported: Same as @p input
* @param[in] starts The starts of the dimensions of the input tensor to be sliced. The length must be of rank(input).
* @param[in] ends The ends of the dimensions of the input tensor to be sliced. The length must be of rank(input).
*/
void configure(const ITensorInfo *input, ITensorInfo *output, const Coordinates &starts, const Coordinates &ends);
/** Static function to check if given info will lead to a valid configuration of @ref NESlice
*
* @note Supported tensor rank: up to 4
* @note Start indices must be non-negative. 0 <= starts[i]
* @note End coordinates can be negative, which represents the number of elements before the end of that dimension.
* @note End indices are not inclusive unless negative.
*
* @param[in] input Source tensor info. Data type supported: All
* @param[in] output Destination tensor info. Data type supported: Same as @p input
* @param[in] starts The starts of the dimensions of the input tensor to be sliced. The length must be of rank(input).
* @param[in] ends The ends of the dimensions of the input tensor to be sliced. The length must be of rank(input).
*
* @return A status
*/
static Status validate(const ITensorInfo *input, const ITensorInfo *output, const Coordinates &starts, const Coordinates &ends);
};
} // namespace experimental
/** Basic function to perform tensor slicing */
class NESlice : public IFunction
{
public:
/** Default Constructor */
NESlice();
/** Default Destructor */
~NESlice();
/** Prevent instances of this class from being copied (As this class contains pointers) */
NESlice(const NESlice &) = delete;
/** Default move constructor */
NESlice(NESlice &&);
/** Prevent instances of this class from being copied (As this class contains pointers) */
NESlice &operator=(const NESlice &) = delete;
/** Default move assignment operator */
NESlice &operator=(NESlice &&);
/** Configure kernel
*
* @note Supported tensor rank: up to 4
* @note Start indices must be non-negative. 0 <= starts[i]
* @note End coordinates can be negative, which represents the number of elements before the end of that dimension.
* @note End indices are not inclusive unless negative.
*
* @param[in] input Source tensor. Data type supported: All
* @param[out] output Destination tensor. Data type supported: Same as @p input
* @param[in] starts The starts of the dimensions of the input tensor to be sliced. The length must be of rank(input).
* @param[in] ends The ends of the dimensions of the input tensor to be sliced. The length must be of rank(input).
*/
void configure(const ITensor *input, ITensor *output, const Coordinates &starts, const Coordinates &ends);
/** Static function to check if given info will lead to a valid configuration of @ref NESlice
*
* @note Supported tensor rank: up to 4
* @note Start indices must be non-negative. 0 <= starts[i]
* @note End coordinates can be negative, which represents the number of elements before the end of that dimension.
* @note End indices are not inclusive unless negative.
*
* @param[in] input Source tensor info. Data type supported: All
* @param[in] output Destination tensor info. Data type supported: Same as @p input
* @param[in] starts The starts of the dimensions of the input tensor to be sliced. The length must be of rank(input).
* @param[in] ends The ends of the dimensions of the input tensor to be sliced. The length must be of rank(input).
*
* @return A status
*/
static Status validate(const ITensorInfo *input, const ITensorInfo *output, const Coordinates &starts, const Coordinates &ends);
// Inherited methods overridden:
void run() override;
private:
struct Impl;
std::unique_ptr<Impl> _impl;
};
} // namespace arm_compute
#endif /* ARM_COMPUTE_NE_SLICE_H */
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