diff options
Diffstat (limited to 'sysdeps/ieee754/bits/huge_valf.h')
| -rw-r--r-- | sysdeps/ieee754/bits/huge_valf.h | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/sysdeps/ieee754/bits/huge_valf.h b/sysdeps/ieee754/bits/huge_valf.h deleted file mode 100644 index f24bcf452f..0000000000 --- a/sysdeps/ieee754/bits/huge_valf.h +++ /dev/null @@ -1,51 +0,0 @@ -/* `HUGE_VALF' constant for IEEE 754 machines (where it is infinity). - Used by <stdlib.h> and <math.h> functions for overflow. - Copyright (C) 1992-2017 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 _MATH_H -# error "Never use <bits/huge_valf.h> directly; include <math.h> instead." -#endif - -/* IEEE positive infinity (-HUGE_VAL is negative infinity). */ - -#if __GNUC_PREREQ(3,3) -# define HUGE_VALF (__builtin_huge_valf()) -#elif __GNUC_PREREQ(2,96) -# define HUGE_VALF (__extension__ 0x1.0p255f) -#elif defined __GNUC__ - -# define HUGE_VALF \ - (__extension__ \ - ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) \ - { __l: 0x7f800000UL }).__d) - -#else /* not GCC */ - -typedef union { unsigned char __c[4]; float __f; } __huge_valf_t; - -# if __BYTE_ORDER == __BIG_ENDIAN -# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 } -# endif -# if __BYTE_ORDER == __LITTLE_ENDIAN -# define __HUGE_VALF_bytes { 0, 0, 0x80, 0x7f } -# endif - -static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes }; -# define HUGE_VALF (__huge_valf.__f) - -#endif /* GCC. */ |