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author | Georgios Pinitas <georgios.pinitas@arm.com> | 2017-12-22 15:27:52 +0000 |
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committer | Anthony Barbier <anthony.barbier@arm.com> | 2018-11-02 16:49:16 +0000 |
commit | d8734b55d89f05901ba9a75349761a9c955d9243 (patch) | |
tree | e23d53a0fb73251f7416993e4d3a7241e533e79e /arm_compute/core/utils/misc/utility.h | |
parent | 7390e05561a5c49306ebbf2eb2dcb1848546f201 (diff) | |
download | ComputeLibrary-d8734b55d89f05901ba9a75349761a9c955d9243.tar.gz |
COMPMID-793 : Add graph intermediate representation
Change-Id: Ic1685de4e19e0ac79669ef2da64e1dc96c7ea0bf
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/115248
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Diffstat (limited to 'arm_compute/core/utils/misc/utility.h')
-rw-r--r-- | arm_compute/core/utils/misc/utility.h | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/arm_compute/core/utils/misc/utility.h b/arm_compute/core/utils/misc/utility.h deleted file mode 100644 index 8ba92310da..0000000000 --- a/arm_compute/core/utils/misc/utility.h +++ /dev/null @@ -1,170 +0,0 @@ -/* - * Copyright (c) 2017-2018 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_UTILITY_H__ -#define __ARM_COMPUTE_MISC_UTILITY_H__ - -#include <algorithm> -#include <array> -#include <limits> -#include <numeric> -#include <vector> - -namespace arm_compute -{ -namespace utility -{ -/** @cond */ -template <std::size_t...> -struct index_sequence -{ -}; - -template <std::size_t N, std::size_t... S> -struct index_sequence_generator : index_sequence_generator < N - 1, N - 1, S... > -{ -}; - -template <std::size_t... S> -struct index_sequence_generator<0u, S...> : index_sequence<S...> -{ - using type = index_sequence<S...>; -}; - -template <std::size_t N> -using index_sequence_t = typename index_sequence_generator<N>::type; -/** @endcond */ - -namespace detail -{ -template <std::size_t... S, - typename Iterator, - typename T = std::array<typename std::iterator_traits<Iterator>::value_type, sizeof...(S)>> -T make_array(Iterator first, index_sequence<S...>) -{ - return T{ { first[S]... } }; -} -} // namespace detail - -template <std::size_t N, typename Iterator> -std::array<typename std::iterator_traits<Iterator>::value_type, N> make_array(Iterator first, Iterator last) -{ - return detail::make_array(first, index_sequence_t<N> {}); -} - -/** Performs clamping among a lower and upper value. - * - * @param[in] n Value to clamp. - * @param[in] lower Lower threshold. - * @param[in] upper Upper threshold. - * - * @return Clamped value. - */ -template <typename T> -inline T clamp(const T &n, const T &lower, const T &upper) -{ - return std::max(lower, std::min(n, upper)); -} - -/** Base case of for_each. Does nothing. */ -template <typename F> -inline void for_each(F &&) -{ -} - -/** Call the function for each of the arguments - * - * @param[in] func Function to be called - * @param[in] arg Argument passed to the function - * @param[in] args Remaining arguments - */ -template <typename F, typename T, typename... Ts> -inline void for_each(F &&func, T &&arg, Ts &&... args) -{ - func(std::forward<T>(arg)); - for_each(std::forward<F>(func), std::forward<Ts>(args)...); -} - -/** Base case of foldl. - * - * @return value. - */ -template <typename F, typename T> -inline T &&foldl(F &&, T &&value) -{ - return std::forward<T>(value); -} - -/** Fold left. - * - * @param[in] func Function to be called - * @param[in] initial Initial value - * @param[in] value Argument passed to the function - * @param[in] values Remaining arguments - */ -template <typename F, typename T, typename U, typename... Us> -inline auto foldl(F &&func, T &&initial, U &&value, Us &&... values) -> decltype(func(std::forward<T>(initial), std::forward<U>(value))) -{ - return foldl(std::forward<F>(func), func(std::forward<T>(initial), std::forward<U>(value)), std::forward<Us>(values)...); -} - -/** Type cast with saturation. - * - * @param[in] val Value of type U to cast. - * - * @return Original value clamped to numeric limits of T and converted to type T. - * - * @warning Numeric limits of T must be representable without loss in type U. - */ -template <typename T, typename U> -T saturate_cast(U val) -{ - const auto low = static_cast<U>(std::numeric_limits<T>::lowest()); - const auto high = static_cast<U>(std::numeric_limits<T>::max()); - return static_cast<T>(clamp(val, low, high)); -} - -/** Perform an index sort of a given vector. - * - * @param[in] v Vector to sort - * - * @return Sorted index vector. - */ -template <typename T> -std::vector<size_t> sort_indices(const std::vector<T> &v) -{ - std::vector<size_t> idx(v.size()); - std::iota(idx.begin(), idx.end(), 0); - - std::sort(idx.begin(), idx.end(), - [&v](size_t i1, size_t i2) - { - return v[i1] < v[i2]; - }); - - return idx; -} - -} // namespace utility -} // namespace arm_compute -#endif /* __ARM_COMPUTE_MISC_UTILITY_H__ */ |