| title |
<cfenv> | Microsoft Docs |
| ms.custom |
|
| ms.date |
11/04/2016 |
| ms.technology |
|
| ms.topic |
reference |
| dev_langs |
|
| ms.assetid |
6a17ad51-2182-4e91-8108-65997382acd3 |
| author |
corob-msft |
| ms.author |
corob |
| ms.workload |
|
Includes the Standard C library header <fenv.h> and adds the associated names to the std namespace.
Remarks
Including this header ensures that the names declared using external linkage in the Standard C library header are declared in the std namespace.
Header Files Reference
C++ Standard Library Overview
Thread Safety in the C++ Standard Library