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author | Ulrich Drepper <drepper@redhat.com> | 1998-10-05 13:40:47 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1998-10-05 13:40:47 +0000 |
commit | 8325d82cf3910aec38b9182face1fc3d524f676b (patch) | |
tree | 0e35c870f6d2e2a08acdd9b0047488e99cf24cd8 /sysdeps/arm/bits | |
parent | 8c93cd99f54c6971594aa76f6e4304d0c1fe4ae0 (diff) | |
download | glibc-8325d82cf3910aec38b9182face1fc3d524f676b.zip glibc-8325d82cf3910aec38b9182face1fc3d524f676b.tar.gz glibc-8325d82cf3910aec38b9182face1fc3d524f676b.tar.bz2 |
Update.
1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* sysdeps/unix/sysv/linux/sys/swap.h (SWAP_FLAG_PREFER,
SWAP_FLAG_PRIO_MASK,SWAP_FLAG_PRIO_SHIFT): Added.
Remove inclusion of <linux/swap.h>.
1998-10-05 Ulrich Drepper <drepper@cygnus.com>
* io/sys/stat.h: Use __P in definitions of inline stat functions
so that they match the declaration.
1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* sysdeps/unix/sysv/linux/sys/quota.h (Q_RSQUASH): Added.
1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* sysdeps/unix/sysv/linux/sys/acct.h: Bring in sync with current
linux 2.1 version.
1998-10-02 Philip Blundell <pb@nexus.co.uk>
* sysdeps/arm/dl-machine.h: Fix typo in last change.
* sysdeps/arm/bits/huge_val.h: New file.
1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* sysdeps/unix/sysv/linux/sys/reboot.h (RB_POWER_OFF): Added.
* sysdeps/unix/sysv/linux/sys/ptrace.h (PTRACE_SYSCALL): Add
define.
1998-10-05 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/posix/getcwd.c (__getcwd): Use temporary variable to
store result of realloc instead of using BUF.
1998-10-04 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* misc/sgtty.h (_SGTTY_H): Correct spelling.
Reported by Rouben Rostamian <rostamian@umbc.edu> [PR libc/817].
1998-10-04 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* manual/memory.texi (Obstacks): Document
obstack_alloc_failed_handler usage.
* malloc/obstack.h: Enhance comment about
obstack_alloc_failed_handler usage.
* malloc/obstack.c: Likewise.
1998-10-05 Ulrich Drepper <drepper@cygnus.com>
* misc/sys/cdefs.h (__extension__): Define as empty if no gcc or
gcc before 2.8 is used.
1998-10-01 Philip Blundell <pb@nexus.co.uk>
* sysdeps/arm/machine-gmon.h: Correct args to mcount(). Patch
from Scott Bambrough.
* sysdeps/unix/sysv/linux/arm/register-dump.h: New file.
* libio/libioP.h (FILEBUF_LITERAL) [! _IO_MTSAFE_IO]: Don't
include the lock member.
1998-09-03 Philip Blundell <pb@nexus.co.uk>
* sysdeps/arm/fpu/__longjmp.S: Cope with fussy assembler.
1998-09-29 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* string/bits/string2.h (__string2_1bptr_p): Don't use a statement
expression.
(__mempcpy, strcpy, __stpcpy, strcmp, strcspn, strspn, strpbrk,
__strsep): Greatly reduce size of expansion by combining common
expressions.
(__mempcpy_small, __strcpy_small, __stpcpy_small): Convert to
inline function.
(__mempcpy_args, __strcpy_args, __stpcpy_args): New macros, used
by the above definitions.
1998-09-27 Geoff Keating <geoffk@ozemail.com.au>
* sysdeps/unix/sysv/linux/powerpc/bits/ipc.h: New file, use
correct struct ipc_perm definition.
1998-09-29 Thorsten Kukuk <kukuk@vt.uni-paderborn.de>
* nis/ypclnt.c (yp_all): Close UDP socket und give CLIENT handle free.
* sysdeps/unix/sysv/linux/alpha/ioperm.c: List Ruffian in platforms[].
* sysdeps/unix/sysv/linux/net/if_shaper.h: New file.
Diffstat (limited to 'sysdeps/arm/bits')
-rw-r--r-- | sysdeps/arm/bits/huge_val.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/sysdeps/arm/bits/huge_val.h b/sysdeps/arm/bits/huge_val.h new file mode 100644 index 0000000..0e07bd5 --- /dev/null +++ b/sysdeps/arm/bits/huge_val.h @@ -0,0 +1,88 @@ +/* `HUGE_VAL' constants for IEEE 754 machines (where it is infinity). + Used by <stdlib.h> and <math.h> functions for overflow. + ARM version. + Copyright (C) 1992, 1995, 1996, 1997, 1998 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _MATH_H +# error "Never use <bits/huge_val.h> directly; include <math.h> instead." +#endif + +#include <features.h> + +/* IEEE positive infinity (-HUGE_VAL is negative infinity). */ + +#ifdef __GNUC__ + +# define HUGE_VAL \ + (__extension__ \ + ((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \ + { __l: 0x000000007ff00000ULL }).__d) + +#else /* not GCC */ + +# include <endian.h> + +typedef union { unsigned char __c[8]; double __d; } __huge_val_t; + +# if __BYTE_ORDER == __BIG_ENDIAN +# define __HUGE_VAL_bytes { 0, 0, 0, 0, 0x7f, 0xf0, 0, 0 } +# endif +# if __BYTE_ORDER == __LITTLE_ENDIAN +# define __HUGE_VAL_bytes { 0, 0, 0xf0, 0x7f, 0, 0, 0, 0 } +# endif + +static __huge_val_t __huge_val = { __HUGE_VAL_bytes }; +# define HUGE_VAL (__huge_val.__d) + +#endif /* GCC. */ + + +/* ISO C 9X extensions: (float) HUGE_VALF and (long double) HUGE_VALL. */ + +#ifdef __USE_ISOC9X + +# ifdef __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. */ + + +/* Generally there is no separate `long double' format and it is the + same as `double'. */ +# define HUGE_VALL HUGE_VAL + +#endif /* __USE_ISOC9X. */ |