162 lines
4.5 KiB
C++
162 lines
4.5 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_SINGLETON
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#define ARM_COMPUTE_TEST_DATASET_SINGLETON
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#include "ContainerDataset.h"
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#include "Dataset.h"
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#include "support/StringSupport.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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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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/** Implementation of a dataset holding a single value. */
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template <typename T>
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class SingletonDataset : public NamedDataset
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{
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public:
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/** Construct dataset with given name and value.
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*
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* @param[in] name Description of the value.
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* @param[in] value Value for the dataset.
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*/
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SingletonDataset(std::string name, T &&value)
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: NamedDataset{ std::move(name) }, _value{ std::forward<T>(value) }
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{
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}
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/** Allow instances of this class to be move constructed */
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SingletonDataset(SingletonDataset &&) = default;
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/** Type of the dataset. */
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using type = std::tuple<T>;
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/** Iterator for the dataset. */
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struct iterator
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{
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/** Construct an iterator.
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*
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* @param[in] name Name of the dataset.
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* @param[in] value The singleton value.
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*/
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iterator(std::string name, const T *value)
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: _name{ name }, _value{ value }
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{
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}
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/** Default destructor. */
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~iterator() = default;
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/** Allow instances of this class to be copy constructed */
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iterator(const iterator &) = default;
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/** Allow instances of this class to be copied */
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iterator &operator=(const iterator &) = default;
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/** Allow instances of this class to be move constructed */
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iterator(iterator &&) = default;
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/** Allow instances of this class to be moved */
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iterator &operator=(iterator &&) = default;
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/** Get the description of the current value.
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*
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* @return description of the current value.
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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(*_value);
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}
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/** Get the value of the iterator.
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*
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* @return the value of the iterator.
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*/
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SingletonDataset::type operator*() const
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{
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return std::make_tuple(*_value);
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}
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/** Inrement 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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return *this;
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}
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private:
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std::string _name;
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const T *_value;
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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(), &_value);
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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 1;
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}
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private:
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T _value;
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};
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/** Helper function to create a @ref SingletonDataset.
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*
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* @param[in] name Name of the dataset.
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* @param[in] value Value.
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*
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* @return A singleton dataset.
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*/
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template <typename T>
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typename std::enable_if < !is_container<T>::value, SingletonDataset<T >>::type make(std::string name, T &&value)
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{
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return SingletonDataset<T>(std::move(name), std::forward<T>(value));
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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_SINGLETON */
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