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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/m68k | |
| parent | da1067a9154c3125a4274e1d039dd5b2d3aa953c (diff) | |
| download | glibc-52cf7d345d34e59973a8cc04773bdc1f9ba39421.tar.gz | |
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/m68k')
| -rw-r--r-- | sysdeps/m68k/bits/huge_val.h | 35 |
1 files changed, 26 insertions, 9 deletions
diff --git a/sysdeps/m68k/bits/huge_val.h b/sysdeps/m68k/bits/huge_val.h index 822b82930b..14c0855ab1 100644 --- a/sysdeps/m68k/bits/huge_val.h +++ b/sysdeps/m68k/bits/huge_val.h @@ -1,6 +1,6 @@ /* `HUGE_VAL' constants for m68k (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 @@ -30,11 +30,19 @@ #ifdef __GNUC__ -# define HUGE_VAL \ +# if __GNUC_PREREQ(2,95) + +# define HUGE_VAL (0x1.0p2047) + +# else + +# define HUGE_VAL \ (__extension__ \ ((union { unsigned long long __l; double __d; }) \ { __l: 0x7ff0000000000000ULL }).__d) +# endif + #else /* not GCC */ static union { unsigned char __c[8]; double __d; } __huge_val = @@ -48,28 +56,37 @@ static union { unsigned char __c[8]; double __d; } __huge_val = #ifdef __USE_ISOC9X -# ifdef __GNUC__ +# if __GNUC_PREREQ(2,95) -# define HUGE_VALF \ +# define HUGE_VALF (0x1.0p255f) +# define HUGE_VALL (0x1.0p32767L) + +# else + +# ifdef __GNUC__ + +# define HUGE_VALF \ (__extension__ \ ((union { unsigned long __l; float __f; }) \ { __l: 0x7f800000UL }).__f) -# define HUGE_VALL \ +# define HUGE_VALL \ (__extension__ \ ((union { unsigned long __l[3]; long double __ld; }) \ { __l: { 0x7fff0000UL, 0x80000000UL, 0UL } }).__ld) -# else /* not GCC */ +# else /* not GCC */ static union { unsigned char __c[4]; float __f; } __huge_valf = { { 0x7f, 0x80, 0, 0 } }; -# define HUGE_VALF (__huge_valf.__f) +# define HUGE_VALF (__huge_valf.__f) static union { unsigned char __c[12]; long double __ld; } __huge_vall = { { 0x7f, 0xff, 0, 0, 0x80, 0, 0, 0, 0, 0, 0, 0 } }; -# define HUGE_VALL (__huge_vall.__ld) +# define HUGE_VALL (__huge_vall.__ld) + +# endif /* GCC. */ -# endif /* GCC. */ +# endif /* GCC 2.95. */ #endif /* __USE_ISOC9X. */ |