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+/*
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
+ * Copyright (c) 2016-2018 ARM Limited.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef __ARM_COMPUTE_CLSTRIDEDSLICEKERNEL_H__
+#define __ARM_COMPUTE_CLSTRIDEDSLICEKERNEL_H__
+
+#include "arm_compute/core/CL/ICLKernel.h"
+#include "arm_compute/core/Types.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Interface for the kernel to extract a strided slice of a tensor */
+class CLStridedSliceKernel : public ICLKernel
+{
+public:
+ /** Default constructor */
+ CLStridedSliceKernel();
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CLStridedSliceKernel(const CLStridedSliceKernel &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CLStridedSliceKernel &operator=(const CLStridedSliceKernel &) = delete;
+ /** Allow instances of this class to be moved */
+ CLStridedSliceKernel(CLStridedSliceKernel &&) = default;
+ /** Allow instances of this class to be moved */
+ CLStridedSliceKernel &operator=(CLStridedSliceKernel &&) = default;
+ /** Default destructor */
+ ~CLStridedSliceKernel() = default;
+ /** Set the input and output of the kernel
+ *
+ * @param[in] input Source tensor. Data type supported:
+ * U8/S8/QS8/QASYMM8/U16/S16/QS16/U32/S32/F16/F32
+ * @param[out] output Destination tensor. Data type supported: Same as @p input
+ * @param[in] beginData The begin tensor. Data types supported: S32.
+ * The number of dimensions must be 1.
+ * The length must be the same as the number of dimensions of input.
+ * @param[in] endData The end tensor. Data types supported: S32.
+ * The number of dimensions must be 1.
+ * The length must be the same as the number of dimensions of input.
+ * @param[in] strideData The stride tensor. Data types supported: S32.
+ * The number of dimensions must be 1.
+ * The length must be the same as the number of dimensions of input.
+ * @param[in] beginMask Mask for begin
+ * @param[in] endMask Mask for end
+ * @param[in] shrinkAxisMask Mask for shrink axis.
+ *
+ */
+ void configure(const ICLTensor *input, ICLTensor *output, ICLTensor *beginData,
+ ICLTensor *endData, ICLTensor *stridesData, int32_t beginMask, int32_t endMask,
+ int32_t shrinkAxisMask);
+
+ /** Static function to check if given info will lead to a valid configuration of @ref
+ * CLStridedSliceKernel
+ *
+ * @param[in] input The input tensor info. Data types supported:
+ * U8/S8/QS8/QASYMM8/U16/S16/QS16/U32/S32/F16/F32
+ * @param[in] output The output tensor info, Data types supported: same as @p input1.
+ * @param[in] begin The begin tensor info. Data types supported: S32.
+ * The number of dimensions must be 1.
+ * The length must be the same as the number of dimensions of input.
+ * @param[in] end The end tensor info. Data types supported: S32.
+ * The number of dimensions must be 1.
+ * The length must be the same as the number of dimensions of input.
+ * @param[in] stride The stride tensor info. Data types supported: S32.
+ * The number of dimensions must be 1.
+ * The length must be the same as the number of dimensions of input.
+ * @param[in] beginMask Mask for begin
+ * @param[in] endMask Mask for end
+ * @param[in] shrinkAxisMask Mask for shrink axis.
+ *
+ * @return a status
+ */
+ static Status validate(const ITensorInfo *input, const ITensorInfo *output,
+ const ITensorInfo *begin, const ITensorInfo *end,
+ const ITensorInfo *stride, int32_t beginMask, int32_t endMask,
+ int32_t shrinkAxisMask);
+
+ // Inherited methods overridden:
+ void run(const Window &window, cl::CommandQueue &queue) override;
+
+private:
+ const ICLTensor *_input; /** Source tensor */
+ ICLTensor *_output; /** Destination tensor */
+ ICLTensor *_beginData; /** Start indices of input tensor */
+ ICLTensor *_endData; /** Stop indices of input tensor */
+ ICLTensor *_stridesData; /** Strides tensor */
+ int32_t _beginMask; /** Begin mask */
+ int32_t _endMask; /** End mask */
+ int32_t _shrinkAxisMask; /** Shrink axis mask */
+};
+} // namespace arm_compute
+#endif /*__ARM_COMPUTE_CLSTRIDEDSLICEKERNEL_H__ */