xref: /aosp_15_r20/external/ComputeLibrary/support/Traits.h (revision c217d954acce2dbc11938adb493fc0abd69584f3)
1*c217d954SCole Faust /*
2*c217d954SCole Faust * Copyright (c) 2020 Arm Limited.
3*c217d954SCole Faust  *
4*c217d954SCole Faust  * SPDX-License-Identifier: MIT
5*c217d954SCole Faust  *
6*c217d954SCole Faust  * Permission is hereby granted, free of charge, to any person obtaining a copy
7*c217d954SCole Faust  * of this software and associated documentation files (the "Software"), to
8*c217d954SCole Faust  * deal in the Software without restriction, including without limitation the
9*c217d954SCole Faust  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10*c217d954SCole Faust  * sell copies of the Software, and to permit persons to whom the Software is
11*c217d954SCole Faust  * furnished to do so, subject to the following conditions:
12*c217d954SCole Faust  *
13*c217d954SCole Faust  * The above copyright notice and this permission notice shall be included in all
14*c217d954SCole Faust  * copies or substantial portions of the Software.
15*c217d954SCole Faust  *
16*c217d954SCole Faust  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17*c217d954SCole Faust  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18*c217d954SCole Faust  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19*c217d954SCole Faust  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20*c217d954SCole Faust  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21*c217d954SCole Faust  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22*c217d954SCole Faust  * SOFTWARE.
23*c217d954SCole Faust  */
24*c217d954SCole Faust #ifndef SUPPORT_TRAITS_H
25*c217d954SCole Faust #define SUPPORT_TRAITS_H
26*c217d954SCole Faust 
27*c217d954SCole Faust #include <type_traits>
28*c217d954SCole Faust 
29*c217d954SCole Faust namespace arm_compute
30*c217d954SCole Faust {
31*c217d954SCole Faust /** Disable bitwise operations by default */
32*c217d954SCole Faust template <typename T>
33*c217d954SCole Faust struct enable_bitwise_ops
34*c217d954SCole Faust {
35*c217d954SCole Faust     static constexpr bool value = false; /**< Disabled */
36*c217d954SCole Faust };
37*c217d954SCole Faust 
38*c217d954SCole Faust #ifndef DOXYGEN_SKIP_THIS
39*c217d954SCole Faust template <typename T>
40*c217d954SCole Faust typename std::enable_if<enable_bitwise_ops<T>::value, T>::type operator&(T lhs, T rhs)
41*c217d954SCole Faust {
42*c217d954SCole Faust     using underlying_type = typename std::underlying_type<T>::type;
43*c217d954SCole Faust     return static_cast<T>(static_cast<underlying_type>(lhs) & static_cast<underlying_type>(rhs));
44*c217d954SCole Faust }
45*c217d954SCole Faust #endif /* DOXYGEN_SKIP_THIS */
46*c217d954SCole Faust } // namespace arm_compute
47*c217d954SCole Faust #endif /* SUPPORT_TRAITS_H */
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