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| author | Ulrich Drepper <drepper@redhat.com> | 1999-08-24 20:40:44 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 1999-08-24 20:40:44 +0000 |
| commit | 52cf7d345d34e59973a8cc04773bdc1f9ba39421 (patch) | |
| tree | 1ef2f778718c17af739761798c357666308b1bc4 /sysdeps/ieee754/bits | |
| parent | da1067a9154c3125a4274e1d039dd5b2d3aa953c (diff) | |
| download | glibc-52cf7d345d34e59973a8cc04773bdc1f9ba39421.tar.gz glibc-52cf7d345d34e59973a8cc04773bdc1f9ba39421.tar.xz glibc-52cf7d345d34e59973a8cc04773bdc1f9ba39421.zip | |
Update.
* misc/libgen.h: Don't take basename macro as taking arguments. * sysdeps/arm/bits/huge_val.h: Use hexadecimal floating-point constants for gcc >= 2.95. * sysdeps/i386/bits/huge_val.h: Likewise. * sysdeps/i386/bits/huge_val.h: Likewise. * sysdeps/ieee754/bits/huge_val.h: Likewise. * sysdeps/m68k/bits/huge_val.h: Likewise. * sysdeps/sparc/sparc32/fpu/bits/huge_val.h: Likewise. * sysdeps/sparc/sparc64/fpu/bits/huge_val.h: Likewise.
Diffstat (limited to 'sysdeps/ieee754/bits')
| -rw-r--r-- | sysdeps/ieee754/bits/huge_val.h | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/sysdeps/ieee754/bits/huge_val.h b/sysdeps/ieee754/bits/huge_val.h index f49d65661a..f42cb662cc 100644 --- a/sysdeps/ieee754/bits/huge_val.h +++ b/sysdeps/ieee754/bits/huge_val.h @@ -1,6 +1,6 @@ /* `HUGE_VAL' constants for IEEE 754 machines (where it is infinity). Used by <stdlib.h> and <math.h> functions for overflow. - Copyright (C) 1992, 1995, 1996, 1997 Free Software Foundation, Inc. + Copyright (C) 1992, 1995, 1996, 1997, 1999 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 @@ -28,11 +28,19 @@ #ifdef __GNUC__ -# define HUGE_VAL \ +# if __GNUC_PREREQ(2,95) + +# define HUGE_VAL (0x1.0p2047) + +# else + +# define HUGE_VAL \ (__extension__ \ ((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \ { __l: 0x7ff0000000000000ULL }).__d) +# endif + #else /* not GCC */ # include <endian.h> @@ -58,11 +66,19 @@ static __huge_val_t __huge_val = { __HUGE_VAL_bytes }; # ifdef __GNUC__ -# define HUGE_VALF \ +# if __GNUC_PREREQ(2,95) + +# define HUGE_VALF (0x1.0p255f) + +# else + +# define HUGE_VALF \ (__extension__ \ ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) \ { __l: 0x7f800000UL }).__d) +# endif + # else /* not GCC */ typedef union { unsigned char __c[4]; float __f; } __huge_valf_t; |