170 lines
4.7 KiB
C++
170 lines
4.7 KiB
C++
/*
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* Copyright (c) 2017-2020 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_DATASET_CONTAINER
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#define ARM_COMPUTE_TEST_DATASET_CONTAINER
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#include "Dataset.h"
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#include "support/StringSupport.h"
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#include "tests/TypePrinter.h"
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#include <string>
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#include <tuple>
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#include <type_traits>
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#include <utility>
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#include <vector>
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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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namespace framework
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{
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namespace dataset
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{
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/** Base case. Nothing is a container. */
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template <typename T>
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struct is_container : public std::false_type
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{
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};
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/** Vector is considered a container. */
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template <typename V, typename A>
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struct is_container<std::vector<V, A>> : public std::true_type
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{
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};
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/** Implementation of a dataset created from a container. */
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template <typename T>
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class ContainerDataset : public NamedDataset
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{
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private:
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using container_value_type = typename T::value_type;
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using container_const_iterator = typename T::const_iterator;
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public:
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/** Construct dataset with given name and values from the container.
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*
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* @param[in] name Description of the values.
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* @param[in] container Values for the dataset.
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*/
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ContainerDataset(std::string name, T &&container)
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: NamedDataset{ std::move(name) }, _container(std::forward<T>(container))
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{
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}
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/** Allow instances of this class to be copy constructed */
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ContainerDataset(const ContainerDataset &) = default;
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/** Allow instances of this class to be move constructed */
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ContainerDataset(ContainerDataset &&) = default;
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/** Type of the dataset. */
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using type = std::tuple<container_value_type>;
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/** Iterator for the dataset. */
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struct iterator
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{
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/** Construct iterator
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*
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* @param[in] name Description of the values.
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* @param[in] iterator Iterator for the values.
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*/
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iterator(std::string name, container_const_iterator iterator)
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: _name{ name }, _iterator{ iterator }
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{
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}
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/** Get a description of the current value.
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*
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* @return a description.
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*/
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std::string description() const
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{
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using support::cpp11::to_string;
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return _name + "=" + to_string(*_iterator);
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}
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/** Get the current value.
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*
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* @return the current value.
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*/
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ContainerDataset::type operator*() const
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{
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return std::make_tuple(*_iterator);
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}
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/** Increment the iterator.
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*
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* @return this.
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*/
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iterator &operator++()
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{
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++_iterator;
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return *this;
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}
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private:
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std::string _name;
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container_const_iterator _iterator;
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};
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/** Iterator pointing at the begin of the dataset.
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*
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* @return Iterator for the dataset.
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*/
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iterator begin() const
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{
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return iterator(name(), _container.cbegin());
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}
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/** Size of the dataset.
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*
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* @return Number of values in the dataset.
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*/
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int size() const
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{
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return _container.size();
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}
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private:
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T _container;
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};
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/** Helper function to create a @ref ContainerDataset.
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*
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* @param[in] name Name of the dataset.
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* @param[in] values Container.
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*
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* @return A container dataset.
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*/
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template <typename T>
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typename std::enable_if<is_container<T>::value, ContainerDataset<T>>::type make(std::string name, T &&values)
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{
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return ContainerDataset<T>(std::move(name), std::forward<T>(values));
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}
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} // namespace dataset
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} // namespace framework
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} // namespace test
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} // namespace arm_compute
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#endif /* ARM_COMPUTE_TEST_DATASET_CONTAINER */
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