| /* Wrapper for x86 bits/fenv.h for use when building glibc. |
| Copyright (C) 1997-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef _BITS_FENV_H |
| |
| #if defined _LIBC && defined __USE_EXTERN_INLINES |
| # if defined SHARED && !defined NO_HIDDEN && IS_IN (libm) |
| extern int __REDIRECT_NTH (__feraiseexcept_renamed, (int), __GI_feraiseexcept); |
| # else |
| extern int __REDIRECT_NTH (__feraiseexcept_renamed, (int), feraiseexcept); |
| # endif |
| #endif |
| |
| #include_next <bits/fenv.h> |
| |
| # ifndef _ISOMAC |
| |
| /* Ensure __feraiseexcept calls in glibc are optimized the same as |
| feraiseexcept calls. */ |
| |
| #ifdef __USE_EXTERN_INLINES |
| __BEGIN_DECLS |
| |
| extern int __REDIRECT_NTH (____feraiseexcept_renamed, (int), __feraiseexcept); |
| __extern_inline int |
| __NTH (__feraiseexcept (int __excepts)) |
| { |
| if (__builtin_constant_p (__excepts) |
| && (__excepts & ~(FE_INVALID | FE_DIVBYZERO)) == 0) |
| { |
| __feraiseexcept_invalid_divbyzero (__excepts); |
| return 0; |
| } |
| |
| return ____feraiseexcept_renamed (__excepts); |
| } |
| |
| __END_DECLS |
| #endif |
| |
| # endif /* _ISOMAC */ |
| #endif /* bits/fenv.h */ |
