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Diffstat (limited to 'tests/framework/datasets/ZipDataset.h')
-rw-r--r-- | tests/framework/datasets/ZipDataset.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/tests/framework/datasets/ZipDataset.h b/tests/framework/datasets/ZipDataset.h new file mode 100644 index 0000000000..b95b7209a7 --- /dev/null +++ b/tests/framework/datasets/ZipDataset.h @@ -0,0 +1,139 @@ +/* + * 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_ZIP +#define ARM_COMPUTE_TEST_DATASET_ZIP + +#include "Dataset.h" + +#include <string> +#include <tuple> +#include <utility> + +namespace arm_compute +{ +namespace test +{ +namespace framework +{ +namespace dataset +{ +/** Implementation of a dataset representing pairs of values of the input datasets. + * + * For example, for the inputs {1, 2} and {3, 4} this dataset virtually + * represents the values {(1, 3), (1, 4)}. + */ +template <typename T, typename U> +class ZipDataset : public Dataset +{ +private: + using iter1_type = typename T::iterator; + using iter2_type = typename U::iterator; + +public: + /** Construct dataset from the given datasets. + * + * @param[in] dataset1 First dataset. + * @param[in] dataset2 Second dataset. + */ + ZipDataset(T &&dataset1, U &&dataset2) + : _dataset1{ std::forward<T>(dataset1) }, + _dataset2{ std::forward<U>(dataset2) } + { + } + + ZipDataset(ZipDataset &&) = default; + + /** Type of the dataset. */ + using type = decltype(std::tuple_cat(*std::declval<iter1_type>(), *std::declval<iter2_type>())); + + /** Iterator for the dataset. */ + struct iterator + { + iterator(iter1_type iter1, iter2_type iter2) + : _iter1{ std::move(iter1) }, _iter2{ std::move(iter2) } + { + } + + std::string description() const + { + return _iter1.description() + ":" + _iter2.description(); + } + + ZipDataset::type operator*() const + { + return std::tuple_cat(*_iter1, *_iter2); + } + + iterator &operator++() + { + ++_iter1; + ++_iter2; + return *this; + } + + private: + iter1_type _iter1; + iter2_type _iter2; + }; + + /** Iterator pointing at the begin of the dataset. + * + * @return Iterator for the dataset. + */ + iterator begin() const + { + return iterator(_dataset1.begin(), _dataset2.begin()); + } + + /** Size of the dataset. + * + * @return Number of values in the dataset. + */ + int size() const + { + return std::min(_dataset1.size(), _dataset2.size()); + } + +private: + T _dataset1; + U _dataset2; +}; + +/** Helper function to create a @ref ZipDataset. + * + * @param[in] dataset1 First dataset. + * @param[in] dataset2 Second dataset. + * + * @return A zip dataset. + */ +template <typename T, typename U> +ZipDataset<T, U> zip(T &&dataset1, U &&dataset2) +{ + return ZipDataset<T, U>(std::forward<T>(dataset1), std::forward<U>(dataset2)); +} +} // namespace dataset +} // namespace framework +} // namespace test +} // namespace arm_compute +#endif /* ARM_COMPUTE_TEST_DATASET_ZIP */ |