1 /*
2  *  Copyright 2018 NVIDIA Corporation
3  *
4  *  Licensed under the Apache License, Version 2.0 (the "License");
5  *  you may not use this file except in compliance with the License.
6  *  You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  *  Unless required by applicable law or agreed to in writing, software
11  *  distributed under the License is distributed on an "AS IS" BASIS,
12  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  *  See the License for the specific language governing permissions and
14  *  limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include <cstddef>
20 
21 #include <thrust/detail/config.h>
22 #include <thrust/detail/alignment.h>
23 #include <thrust/detail/config/cpp_compatibility.h>
24 
25 #define THRUST_MR_DEFAULT_ALIGNMENT THRUST_ALIGNOF(::thrust::detail::max_align_t)
26 
27 #if __cplusplus >= 201703L
28 #  if __has_include(<memory_resource>)
29 #    define THRUST_MR_STD_MR_HEADER <memory_resource>
30 #    define THRUST_MR_STD_MR_NS std::pmr
31 #  elif __has_include(<experimental/memory_resource>)
32 #    define THRUST_MR_STD_MR_HEADER <experimental/memory_resource>
33 #    define THRUST_MR_STD_MR_NS std::experimental::pmr
34 #  endif
35 #endif
36 
37