| /* | |
| * Copyright 2020 NVIDIA Corporation | |
| * | |
| * Licensed under the Apache License, Version 2.0 (the "License"); | |
| * you may not use this file except in compliance with the License. | |
| * You may obtain a copy of the License at | |
| * | |
| * http://www.apache.org/licenses/LICENSE-2.0 | |
| * | |
| * Unless required by applicable law or agreed to in writing, software | |
| * distributed under the License is distributed on an "AS IS" BASIS, | |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| * See the License for the specific language governing permissions and | |
| * limitations under the License. | |
| */ | |
| // When a compiler uses Thrust as part of its implementation of Standard C++ | |
| // algorithms, a cycle of included files may result when Thrust code tries to | |
| // use a standard algorithm. Having a macro that is defined only when Thrust | |
| // is including an algorithms-related header gives the compiler a chance to | |
| // detect and break the cycle of includes. | |