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Diffstat (limited to 'ports/sysdeps/mips/bits/nan.h')
-rw-r--r-- | ports/sysdeps/mips/bits/nan.h | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/ports/sysdeps/mips/bits/nan.h b/ports/sysdeps/mips/bits/nan.h deleted file mode 100644 index 80067ea145..0000000000 --- a/ports/sysdeps/mips/bits/nan.h +++ /dev/null @@ -1,67 +0,0 @@ -/* `NAN' constant for IEEE 754 machines. MIPS version. - Copyright (C) 1992-2014 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/nan.h> directly; include <math.h> instead." -#endif - - -/* IEEE Not A Number. */ -/* In legacy-NaN mode MIPS has the qNaN and sNaN patterns reversed - compared to most other architectures. IEEE 754-1985 left the - definition of this open to implementations, and for MIPS the top bit - of the mantissa must be SET to indicate a sNaN. In 2008-NaN mode - MIPS aligned to IEEE 754-2008. */ - -#if __GNUC_PREREQ(3,3) - -# define NAN (__builtin_nanf ("")) - -#elif defined __GNUC__ - -/* No 2008-NaN mode support in any GCC version before 4.9. */ - -# define NAN \ - (__extension__ \ - ((union { unsigned __l __attribute__ ((__mode__ (__SI__))); float __d; }) \ - { __l: 0x7fbfffffUL }).__d) - -#else - -# include <endian.h> - -# if __BYTE_ORDER == __BIG_ENDIAN -# ifdef __mips_nan2008 -# define __qnan_bytes { 0x7f, 0xc0, 0, 0 } -# else -# define __qnan_bytes { 0x7f, 0xbf, 0xff, 0xff } -# endif -# endif -# if __BYTE_ORDER == __LITTLE_ENDIAN -# ifdef __mips_nan2008 -# define __qnan_bytes { 0, 0, 0xc0, 0x7f } -# else -# define __qnan_bytes { 0xff, 0xff, 0xbf, 0x7f } -# endif -# endif - -static union { unsigned char __c[4]; float __d; } __qnan_union - __attribute__ ((__unused__)) = { __qnan_bytes }; -# define NAN (__qnan_union.__d) - -#endif /* GCC. */ |