91 lines
3.0 KiB
C++
91 lines
3.0 KiB
C++
/*
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* Copyright (c) 2017-2019 Arm Limited.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef ARM_COMPUTE_TEST_NEON_LUTACCESSOR_H
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#define ARM_COMPUTE_TEST_NEON_LUTACCESSOR_H
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#include "tests/ILutAccessor.h"
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#include "arm_compute/runtime/Lut.h"
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namespace arm_compute
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{
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namespace test
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{
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/** Accessor implementation for @ref Lut objects. */
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template <typename T>
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class LutAccessor : public ILutAccessor<T>
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{
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public:
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/** Create an accessor for the given @p Lut.
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*/
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LutAccessor(Lut &lut)
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: _lut{ lut }
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{
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}
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/** Prevent instances of this class from being copy constructed */
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LutAccessor(const LutAccessor &) = delete;
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/** Prevent instances of this class from being copied */
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LutAccessor &operator=(const LutAccessor &) = delete;
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/** Allow instances of this class to be move constructed */
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LutAccessor(LutAccessor &&) = default;
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/** Allow instances of this class to be moved */
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LutAccessor &operator=(LutAccessor &&) = default;
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int num_elements() const override
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{
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return _lut.num_elements();
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}
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const T &operator[](T input_value) const override
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{
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auto lut = reinterpret_cast<T *>(_lut.buffer());
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int32_t real_index = _lut.index_offset() + static_cast<int32_t>(input_value);
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if(0 <= real_index && real_index < num_elements())
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{
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return lut[real_index];
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}
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ARM_COMPUTE_ERROR("Error index not in range.");
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}
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T &operator[](T input_value) override
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{
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auto lut = reinterpret_cast<T *>(_lut.buffer());
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int32_t real_index = _lut.index_offset() + static_cast<int32_t>(input_value);
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if(0 <= real_index && real_index < num_elements())
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{
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return lut[real_index];
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}
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ARM_COMPUTE_ERROR("Error index not in range.");
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}
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private:
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ILut &_lut;
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};
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} // namespace test
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} // namespace arm_compute
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#endif /* ARM_COMPUTE_TEST_NEON_LUTACCESSOR_H */
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