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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 /arm_compute/core/utils/misc/Random.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 'arm_compute/core/utils/misc/Random.h')
-rw-r--r-- | arm_compute/core/utils/misc/Random.h | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/arm_compute/core/utils/misc/Random.h b/arm_compute/core/utils/misc/Random.h deleted file mode 100644 index 6832c495e3..0000000000 --- a/arm_compute/core/utils/misc/Random.h +++ /dev/null @@ -1,98 +0,0 @@ -/* - * Copyright (c) 2019 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_RANDOM_H -#define ARM_COMPUTE_MISC_RANDOM_H - -#include "arm_compute/core/Error.h" - -#include <random> -#include <type_traits> - -namespace arm_compute -{ -namespace utils -{ -namespace random -{ -/** Uniform distribution within a given number of sub-ranges - * - * @tparam T Distribution primitive type - */ -template <typename T> -class RangedUniformDistribution -{ -public: - using DT = typename std::conditional<std::is_integral<T>::value, - std::uniform_int_distribution<T>, - std::uniform_real_distribution<float>>::type; - using result_type = T; - using range_pair = std::pair<result_type, result_type>; - -public: - /** Constructor - * - * @param[in] low lowest value in the range (inclusive) - * @param[in] high highest value in the range (inclusive for uniform_int_distribution, exclusive for uniform_real_distribution) - * @param[in] exclude_ranges Ranges to exclude from the generator - */ - RangedUniformDistribution(result_type low, result_type high, const std::vector<range_pair> &exclude_ranges) - : _distributions(), _selector() - { - result_type clow = low; - for(const auto &erange : exclude_ranges) - { - result_type epsilon = std::is_integral<result_type>::value ? 1 : static_cast<result_type>(std::numeric_limits<float>::epsilon()); - - ARM_COMPUTE_ERROR_ON(clow > erange.first || clow >= erange.second); - - _distributions.emplace_back(DT(clow, erange.first - epsilon)); - clow = erange.second + epsilon; - } - ARM_COMPUTE_ERROR_ON(clow > high); - _distributions.emplace_back(DT(clow, high)); - _selector = std::uniform_int_distribution<uint32_t>(0, _distributions.size() - 1); - } - /** Generate random number - * - * @tparam URNG Random number generator object type - * - * @param[in] g A uniform random number generator object, used as the source of randomness. - * - * @return A new random number. - */ - template <class URNG> - result_type operator()(URNG &g) - { - unsigned int rand_select = _selector(g); - return _distributions[rand_select](g); - } - -private: - std::vector<DT> _distributions; - std::uniform_int_distribution<uint32_t> _selector; -}; -} // namespace random -} // namespace utils -} // namespace arm_compute -#endif /* ARM_COMPUTE_MISC_RANDOM_H */ |