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Diffstat (limited to 'tests/framework/datasets/RangeDataset.h')
-rw-r--r-- | tests/framework/datasets/RangeDataset.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/tests/framework/datasets/RangeDataset.h b/tests/framework/datasets/RangeDataset.h new file mode 100644 index 0000000000..637abe0a83 --- /dev/null +++ b/tests/framework/datasets/RangeDataset.h @@ -0,0 +1,141 @@ +/* + * 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 */ |