Isabella Gottardi | b797fa2 | 2017-06-23 15:02:11 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2017 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_TEST_NEON_NELUTACCESSOR_H__ |
| 25 | #define __ARM_COMPUTE_TEST_NEON_NELUTACCESSOR_H__ |
| 26 | |
| 27 | #include "ILutAccessor.h" |
| 28 | |
| 29 | #include "arm_compute/runtime/Lut.h" |
| 30 | |
| 31 | namespace arm_compute |
| 32 | { |
| 33 | namespace test |
| 34 | { |
| 35 | namespace neon |
| 36 | { |
| 37 | /** Accessor implementation for @ref Lut objects. */ |
| 38 | template <typename T> |
| 39 | class NELutAccessor : public ILutAccessor<T> |
| 40 | { |
| 41 | public: |
| 42 | /** Create an accessor for the given @p Lut. |
| 43 | */ |
| 44 | NELutAccessor(Lut &lut) |
| 45 | : _lut{ lut } |
| 46 | { |
| 47 | } |
| 48 | |
| 49 | NELutAccessor(const NELutAccessor &) = delete; |
| 50 | NELutAccessor &operator=(const NELutAccessor &) = delete; |
| 51 | NELutAccessor(NELutAccessor &&) = default; |
| 52 | NELutAccessor &operator=(NELutAccessor &&) = default; |
| 53 | |
| 54 | int num_elements() const override |
| 55 | { |
| 56 | return _lut.num_elements(); |
| 57 | } |
| 58 | |
| 59 | const T &operator[](T input_value) const override |
| 60 | { |
| 61 | auto lut = reinterpret_cast<T *>(_lut.buffer()); |
| 62 | int32_t real_index = _lut.index_offset() + static_cast<int32_t>(input_value); |
| 63 | |
| 64 | if(0 <= real_index && real_index < num_elements()) |
| 65 | { |
| 66 | return lut[real_index]; |
| 67 | } |
| 68 | ARM_COMPUTE_ERROR("Error index not in range."); |
| 69 | } |
| 70 | |
| 71 | T &operator[](T input_value) override |
| 72 | { |
| 73 | auto lut = reinterpret_cast<T *>(_lut.buffer()); |
| 74 | int32_t real_index = _lut.index_offset() + static_cast<int32_t>(input_value); |
| 75 | |
| 76 | if(0 <= real_index && real_index < num_elements()) |
| 77 | { |
| 78 | return lut[real_index]; |
| 79 | } |
| 80 | ARM_COMPUTE_ERROR("Error index not in range."); |
| 81 | } |
| 82 | |
| 83 | private: |
| 84 | ILut &_lut; |
| 85 | }; |
| 86 | |
| 87 | } // namespace neon |
| 88 | } // namespace test |
| 89 | } // namespace arm_compute |
| 90 | #endif /* __ARM_COMPUTE_TEST_NEON_NELUTACCESSOR_H__ */ |