| /* |
| * Copyright (c) 2016, 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/runtime/Lut.h" |
| |
| #include <cstring> |
| |
| using namespace arm_compute; |
| |
| Lut::Lut() |
| : _allocator() |
| { |
| } |
| |
| Lut::Lut(size_t num_elements, DataType data_type) |
| : _allocator() |
| { |
| _allocator.init(num_elements, data_type); |
| } |
| |
| size_t Lut::num_elements() const |
| { |
| return _allocator.num_elements(); |
| } |
| |
| uint32_t Lut::index_offset() const |
| { |
| return (DataType::S16 == _allocator.type()) ? num_elements() / 2 : 0; |
| } |
| |
| size_t Lut::size_in_bytes() const |
| { |
| return _allocator.size(); |
| } |
| |
| DataType Lut::type() const |
| { |
| return _allocator.type(); |
| } |
| |
| uint8_t *Lut::buffer() const |
| { |
| return _allocator.data(); |
| } |
| |
| void Lut::clear() |
| { |
| ARM_COMPUTE_ERROR_ON(this->buffer() == nullptr); |
| std::memset(this->buffer(), 0, this->size_in_bytes()); |
| } |
| |
| ILutAllocator *Lut::allocator() |
| { |
| return &_allocator; |
| } |