mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-15 07:30:13 +00:00
8325d82cf3
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.
89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
/* `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. */
|