1 /*
2 * Copyright (c) 2021 Arm Limited.
3 *
4 * SPDX-License-Identifier: MIT
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 */
24 #ifndef SRC_COMMON_UTILS_H
25 #define SRC_COMMON_UTILS_H
26
27 #include <type_traits>
28
29 namespace arm_compute
30 {
31 namespace utils
32 {
33 /** Convert a strongly typed enum to an old plain c enum
34 *
35 * @tparam E Plain old C enum
36 * @tparam SE Strongly typed resulting enum
37 *
38 * @param[in] v Value to convert
39 *
40 * @return A corresponding plain old C enumeration
41 */
42 template <typename E, typename SE>
as_cenum(const SE v)43 constexpr E as_cenum(const SE v) noexcept
44 {
45 return static_cast<E>(static_cast<std::underlying_type_t<SE>>(v));
46 }
47
48 /** Convert plain old enumeration to a strongly typed enum
49 *
50 * @tparam SE Strongly typed resulting enum
51 * @tparam E Plain old C enum
52 *
53 * @param[in] val Value to convert
54 *
55 * @return A corresponding strongly typed enumeration
56 */
57 template <typename SE, typename E>
as_enum(const E val)58 constexpr SE as_enum(const E val) noexcept
59 {
60 return static_cast<SE>(val);
61 }
62
63 /** Check if the given value is in the given enum value list
64 *
65 * @tparam E The type of the enum
66 *
67 * @param[in] check Value to check
68 * @param[in] list List of enum values to check against
69 *
70 * @return True if the given value is found in the list
71 */
72 template <typename E>
is_in(E check,std::initializer_list<E> list)73 bool is_in(E check, std::initializer_list<E> list)
74 {
75 return std::any_of(std::cbegin(list), std::cend(list), [&check](E e)
76 {
77 return check == e;
78 });
79 }
80 } // namespace utils
81 } // namespace arm_compute
82
83 #endif /* SRC_COMMON_UTILS_H */
84