| /* |
| * 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. |
| */ |
| #ifndef ARM_COMPUTE_TEST_DATASET_RANGE |
| #define ARM_COMPUTE_TEST_DATASET_RANGE |
| |
| #include "Dataset.h" |
| #include "support/ToolchainSupport.h" |
| |
| #include <string> |
| #include <tuple> |
| #include <type_traits> |
| #include <utility> |
| |
| namespace arm_compute |
| { |
| namespace test |
| { |
| namespace framework |
| { |
| namespace dataset |
| { |
| /** Implementation of a dataset created from a range of values. |
| * |
| * The range is inclusive of the first value but exclusive of the last, i.e. [start, end). |
| */ |
| template <typename T> |
| class RangeDataset final : public NamedDataset |
| { |
| public: |
| /** Construct dataset with given name and values in the specified range. |
| * |
| * @param[in] name Description of the values. |
| * @param[in] start Begin of the range. |
| * @param[in] end End of the range. |
| * @param[in] step Step size. |
| */ |
| RangeDataset(std::string name, T start, T end, T step = 1) |
| : NamedDataset{ std::move(name) }, _start{ start }, _end{ end }, _step{ step } |
| { |
| } |
| |
| RangeDataset(RangeDataset &&) = default; |
| |
| /** Type of the dataset. */ |
| using type = std::tuple<T>; |
| |
| /** Iterator for the dataset. */ |
| struct iterator |
| { |
| iterator(std::string name, T start, T step) |
| : _name{ name }, _value{ start }, _step{ step } |
| { |
| } |
| |
| std::string description() const |
| { |
| using support::cpp11::to_string; |
| return _name + "=" + to_string(_value); |
| } |
| |
| RangeDataset::type operator*() const |
| { |
| return std::make_tuple(_value); |
| } |
| |
| iterator &operator++() |
| { |
| _value += _step; |
| return *this; |
| } |
| |
| private: |
| std::string _name; |
| T _value; |
| T _step; |
| }; |
| |
| /** Iterator pointing at the begin of the dataset. |
| * |
| * @return Iterator for the dataset. |
| */ |
| iterator begin() const |
| { |
| return iterator(name(), _start, _step); |
| } |
| |
| /** Size of the dataset. |
| * |
| * @return Number of values in the dataset. |
| */ |
| int size() const |
| { |
| return (_end - _start) / std::abs(_step); |
| } |
| |
| private: |
| T _start; |
| T _end; |
| T _step; |
| }; |
| |
| /** Helper function to create a @ref RangeDataset. |
| * |
| * @param[in] name Name of the dataset. |
| * @param[in] start Begin of the range. |
| * @param[in] end End of the range. |
| * @param[in] step Step size. |
| * |
| * @return A range dataset. |
| */ |
| template <typename T> |
| RangeDataset<T> make(std::string name, T start, T end, T step = 1) |
| { |
| return RangeDataset<T>(std::move(name), start, end, step); |
| } |
| } // namespace dataset |
| } // namespace framework |
| } // namespace test |
| } // namespace arm_compute |
| #endif /* ARM_COMPUTE_TEST_DATASET_RANGE */ |