1 /* 2 * Copyright (c) 2020 Arm Limited. 3 * 4 * SPDX-License-Identifier: MIT 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to 8 * deal in the Software without restriction, including without limitation the 9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 10 * sell copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in all 14 * copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 * SOFTWARE. 23 */ 24 #ifndef ARM_COMPUTE_GRAPH_STRIDED_SLICE_LAYER_NODE_H 25 #define ARM_COMPUTE_GRAPH_STRIDED_SLICE_LAYER_NODE_H 26 27 #include "arm_compute/graph/INode.h" 28 29 #include <tuple> 30 31 namespace arm_compute 32 { 33 namespace graph 34 { 35 /** Slice Layer node */ 36 class StridedSliceLayerNode final : public INode 37 { 38 public: 39 /** Default Constructor 40 * 41 * @param[in] starts The starts of the dimensions of the input tensor to be sliced. The length must be of rank(input). 42 * @param[in] ends The ends of the dimensions of the input tensor to be sliced. The length must be of rank(input). 43 * @param[in] strides The strides of the dimensions of the input tensor to be sliced. The length must be of rank(input). 44 * @param[in] strided_slice_info Contains masks for the starts, ends and strides 45 */ 46 StridedSliceLayerNode(const Coordinates &starts, 47 const Coordinates &ends, 48 const BiStrides &strides, 49 StridedSliceLayerInfo strided_slice_info); 50 /** Computes slice layer output descriptor 51 * 52 * @param[in] input_descriptor Descriptor of the input tensor 53 * @param[in] starts The starts of the dimensions of the input tensor to be sliced. The length must be of rank(input). 54 * @param[in] ends The ends of the dimensions of the input tensor to be sliced. The length must be of rank(input). 55 * @param[in] strides The strides of the dimensions of the input tensor to be sliced. The length must be of rank(input). 56 * @param[in] info Contains masks for the starts, ends and strides 57 * 58 * @return Output descriptor 59 */ 60 static TensorDescriptor compute_output_descriptor(const TensorDescriptor &input_descriptor, 61 const Coordinates &starts, 62 const Coordinates &ends, 63 const BiStrides &strides, 64 StridedSliceLayerInfo info); 65 /** Start coordinates accessor 66 * 67 * @return Start coordinates of the dimensions 68 */ 69 Coordinates starts() const; 70 /** End coordinates accessor 71 * 72 * @return End coordinates of the dimensions 73 */ 74 Coordinates ends() const; 75 /** Strides vector accessor 76 * 77 * @return End coordinates of the dimensions 78 */ 79 BiStrides strides() const; 80 81 StridedSliceLayerInfo strided_slice_info() const; 82 83 // Inherited overridden methods: 84 NodeType type() const override; 85 bool forward_descriptors() override; 86 TensorDescriptor configure_output(size_t idx) const override; 87 void accept(INodeVisitor &v) override; 88 89 private: 90 Coordinates _starts; 91 Coordinates _ends; 92 BiStrides _strides; 93 StridedSliceLayerInfo _info; 94 }; 95 } // namespace graph 96 } // namespace arm_compute 97 #endif /* ARM_COMPUTE_GRAPH_STRIDED_SLICE_LAYER_NODE_H */ 98