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author | Sang-Hoon Park <sang-hoon.park@arm.com> | 2020-10-19 16:00:11 +0100 |
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committer | Georgios Pinitas <georgios.pinitas@arm.com> | 2020-10-20 10:27:40 +0000 |
commit | 68dd25fbe6e4d3c3513fa5993863419769aa08fc (patch) | |
tree | b918be923f9e4550c306d7f44d168ab938a71fc8 /support/Iterable.h | |
parent | f0a4e609d98f111b6a7d4a2b578d1b7cba64b805 (diff) | |
download | ComputeLibrary-68dd25fbe6e4d3c3513fa5993863419769aa08fc.tar.gz |
COMPMID-3637: Move utility headers from arm_compute to src
Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Change-Id: If9d6fa8c900b68c4b6fd373f2fc1f9abb83ea917
Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4145
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Sang-Hoon Park <sang-hoon.park@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Diffstat (limited to 'support/Iterable.h')
-rw-r--r-- | support/Iterable.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/support/Iterable.h b/support/Iterable.h new file mode 100644 index 0000000000..a0bafaf4ce --- /dev/null +++ b/support/Iterable.h @@ -0,0 +1,108 @@ +/* + * Copyright (c) 2018-2020 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_MISC_ITERABLE_H +#define ARM_COMPUTE_MISC_ITERABLE_H + +#include <iterator> + +namespace arm_compute +{ +namespace utils +{ +namespace iterable +{ +/** Reverse range iterable class + * + * @tparam T Type to create a reverse range on + */ +template <typename T> +class reverse_iterable +{ +public: + /** Default constructor + * + * @param[in] it Value to reverse iterate on + */ + explicit reverse_iterable(T &it) + : _it(it) + { + } + + /** Get beginning of iterator. + * + * @return beginning of iterator. + */ + typename T::reverse_iterator begin() + { + return _it.rbegin(); + } + + /** Get end of iterator. + * + * @return end of iterator. + */ + typename T::reverse_iterator end() + { + return _it.rend(); + } + + /** Get beginning of const iterator. + * + * @return beginning of const iterator. + */ + typename T::const_reverse_iterator cbegin() + { + return _it.rbegin(); + } + + /** Get end of const iterator. + * + * @return end of const iterator. + */ + typename T::const_reverse_iterator cend() + { + return _it.rend(); + } + +private: + T &_it; +}; + +/** Creates a reverse iterable for a given type + * + * @tparam T Type to create a reverse iterable on + * + * @param[in] val Iterable input + * + * @return Reverse iterable container + */ +template <typename T> +reverse_iterable<T> reverse_iterate(T &val) +{ + return reverse_iterable<T>(val); +} +} // namespace iterable +} // namespace utils +} // namespace arm_compute +#endif /* ARM_COMPUTE_MISC_ITERABLE_H */ |