xref: /aosp_15_r20/external/ComputeLibrary/support/Traits.h (revision c217d954acce2dbc11938adb493fc0abd69584f3)
1 /*
2 * Copyright (c) 2020 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 SUPPORT_TRAITS_H
25 #define SUPPORT_TRAITS_H
26 
27 #include <type_traits>
28 
29 namespace arm_compute
30 {
31 /** Disable bitwise operations by default */
32 template <typename T>
33 struct enable_bitwise_ops
34 {
35     static constexpr bool value = false; /**< Disabled */
36 };
37 
38 #ifndef DOXYGEN_SKIP_THIS
39 template <typename T>
40 typename std::enable_if<enable_bitwise_ops<T>::value, T>::type operator&(T lhs, T rhs)
41 {
42     using underlying_type = typename std::underlying_type<T>::type;
43     return static_cast<T>(static_cast<underlying_type>(lhs) & static_cast<underlying_type>(rhs));
44 }
45 #endif /* DOXYGEN_SKIP_THIS */
46 } // namespace arm_compute
47 #endif /* SUPPORT_TRAITS_H */
48