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author | Moritz Pflanzer <moritz.pflanzer@arm.com> | 2017-07-05 11:07:07 +0100 |
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committer | Anthony Barbier <anthony.barbier@arm.com> | 2018-09-17 14:15:39 +0100 |
commit | fc95ed2b9900471922d93c963b263f1f506da167 (patch) | |
tree | 765f6a94e965ed47b0c0215a725f869e0619a611 /framework/Utils.h | |
parent | 7d323a6adca97c130a0fc7c6299c75d581906edd (diff) | |
download | ComputeLibrary-fc95ed2b9900471922d93c963b263f1f506da167.tar.gz |
COMPMID-415: New framework - base framework [1/5]
Change-Id: Icfbfb43321c3bbe6e2aa511dd03a613eed7734a5
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/79760
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Diffstat (limited to 'framework/Utils.h')
-rw-r--r-- | framework/Utils.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/framework/Utils.h b/framework/Utils.h new file mode 100644 index 0000000000..e9298618e8 --- /dev/null +++ b/framework/Utils.h @@ -0,0 +1,143 @@ +/* + * Copyright (c) 2017 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_TEST_UTILS +#define ARM_COMPUTE_TEST_UTILS + +#include "support/ToolchainSupport.h" + +#include <algorithm> +#include <cmath> +#include <cstddef> +#include <limits> +#include <memory> +#include <numeric> +#include <sstream> +#include <string> +#include <type_traits> + +namespace arm_compute +{ +namespace test +{ +namespace framework +{ +/** @cond */ +namespace detail +{ +template <int...> +struct sequence +{ +}; + +template <int N, int... Ns> +struct sequence_generator; + +template <int... Ns> +struct sequence_generator<0, Ns...> +{ + using type = sequence<Ns...>; +}; + +template <int N, int... Ns> +struct sequence_generator : sequence_generator < N - 1, N - 1, Ns... > +{ +}; + +template <int N> +using sequence_t = typename sequence_generator<N>::type; +/** @endcond */ + +template <typename O, typename F, typename... As, int... S> +void apply_impl(O *obj, F &&func, const std::tuple<As...> &args, detail::sequence<S...>) +{ + (obj->*func)(std::get<S>(args)...); +} +} // namespace + +template <typename O, typename F, typename... As> +void apply(O *obj, F &&func, const std::tuple<As...> &args) +{ + detail::apply_impl(obj, std::forward<F>(func), args, detail::sequence_t<sizeof...(As)>()); +} + +/** Helper function to concatenate multiple strings. + * + * @param[in] first Iterator pointing to the first element to be concatenated. + * @param[in] last Iterator pointing behind the last element to be concatenated. + * @param[in] separator String used to join the elements. + * + * @return String containing all elements joined by @p separator. + */ +template <typename T, typename std::enable_if<std::is_same<typename T::value_type, std::string>::value, int>::type = 0> +std::string join(T first, T last, const std::string &separator) +{ + return std::accumulate(std::next(first), last, *first, [&separator](const std::string & base, const std::string & suffix) + { + return base + separator + suffix; + }); +} + +/** Helper function to concatenate multiple values. + * + * All values are converted to std::string using the provided operation before + * being joined. + * + * The signature of op has to be equivalent to + * std::string op(const T::value_type &val). + * + * @param[in] first Iterator pointing to the first element to be concatenated. + * @param[in] last Iterator pointing behind the last element to be concatenated. + * @param[in] separator String used to join the elements. + * @param[in] op Conversion function. + * + * @return String containing all elements joined by @p separator. + */ +template <typename T, typename UnaryOp> +std::string join(T &&first, T &&last, const std::string &separator, UnaryOp &&op) +{ + return std::accumulate(std::next(first), last, op(*first), [&separator, &op](const std::string & base, const typename T::value_type & suffix) + { + return base + separator + op(suffix); + }); +} + +/** Helper function to concatenate multiple values. + * + * All values are converted to std::string using std::to_string before being joined. + * + * @param[in] first Iterator pointing to the first element to be concatenated. + * @param[in] last Iterator pointing behind the last element to be concatenated. + * @param[in] separator String used to join the elements. + * + * @return String containing all elements joined by @p separator. + */ +template <typename T, typename std::enable_if<std::is_arithmetic<typename T::value_type>::value, int>::type = 0> +std::string join(T && first, T && last, const std::string &separator) +{ + return join(std::forward<T>(first), std::forward<T>(last), separator, support::cpp11::to_string); +} +} // namespace framework +} // namespace test +} // namespace arm_compute +#endif /* ARM_COMPUTE_TEST_UTILS */ |