| /* |
| * 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. |
| */ |
| #include "arm_compute/core/SubTensorInfo.h" |
| |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/Validate.h" |
| |
| using namespace arm_compute; |
| |
| SubTensorInfo::SubTensorInfo() |
| : _parent(nullptr), _tensor_shape(), _coords(), _valid_region{ Coordinates(), _tensor_shape } |
| { |
| } |
| |
| SubTensorInfo::SubTensorInfo(ITensorInfo *parent, const TensorShape &tensor_shape, const Coordinates &coords) |
| : _parent(parent), _tensor_shape(tensor_shape), _coords(coords), _valid_region{ Coordinates(), _tensor_shape } |
| { |
| ARM_COMPUTE_ERROR_ON(parent == nullptr); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBTENSOR(parent->tensor_shape(), coords, tensor_shape); |
| |
| // Initialize valid region |
| Coordinates coordinates; |
| coordinates.set_num_dimensions(_tensor_shape.num_dimensions()); |
| _valid_region = ValidRegion{ coordinates, _tensor_shape }; |
| } |
| |
| void SubTensorInfo::set_tensor_shape(TensorShape shape) |
| { |
| ARM_COMPUTE_ERROR_ON(_parent == nullptr); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBTENSOR(_parent->tensor_shape(), _coords, shape); |
| _tensor_shape = shape; |
| } |
| |
| bool SubTensorInfo::extend_padding(const PaddingSize &padding) |
| { |
| ARM_COMPUTE_ERROR_ON(_parent == nullptr); |
| ARM_COMPUTE_ERROR_ON(!_parent->is_resizable()); |
| |
| // Extend parent padding if required |
| return _parent->extend_padding(padding); |
| } |
| |
| size_t SubTensorInfo::offset_element_in_bytes(const Coordinates &pos) const |
| { |
| ARM_COMPUTE_ERROR_ON_COORDINATES_DIMENSIONS_GTE(pos, _tensor_shape.num_dimensions()); |
| |
| size_t offset = offset_first_element_in_bytes(); |
| const Strides &strides = strides_in_bytes(); |
| |
| for(size_t i = 0; i < _tensor_shape.num_dimensions(); ++i) |
| { |
| offset += pos[i] * strides[i]; |
| } |
| |
| return offset; |
| } |