|  | // -*- C++ -*- | 
|  | //===----------------------------------------------------------------------===// | 
|  | // | 
|  | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | 
|  | // See https://llvm.org/LICENSE.txt for license information. | 
|  | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | export namespace std { | 
|  | // types | 
|  | using std::fenv_t _LIBCPP_USING_IF_EXISTS; | 
|  | using std::fexcept_t _LIBCPP_USING_IF_EXISTS; | 
|  |  | 
|  | // functions | 
|  | using std::feclearexcept _LIBCPP_USING_IF_EXISTS; | 
|  | using std::fegetexceptflag _LIBCPP_USING_IF_EXISTS; | 
|  | using std::feraiseexcept _LIBCPP_USING_IF_EXISTS; | 
|  | using std::fesetexceptflag _LIBCPP_USING_IF_EXISTS; | 
|  | using std::fetestexcept _LIBCPP_USING_IF_EXISTS; | 
|  |  | 
|  | using std::fegetround _LIBCPP_USING_IF_EXISTS; | 
|  | using std::fesetround _LIBCPP_USING_IF_EXISTS; | 
|  |  | 
|  | using std::fegetenv _LIBCPP_USING_IF_EXISTS; | 
|  | using std::feholdexcept _LIBCPP_USING_IF_EXISTS; | 
|  | using std::fesetenv _LIBCPP_USING_IF_EXISTS; | 
|  | using std::feupdateenv _LIBCPP_USING_IF_EXISTS; | 
|  |  | 
|  | } // namespace std |