glibc/sysdeps/ieee754/huge_val.h
Ulrich Drepper 2f6d1f1be9 update from main archive 970225
1997-02-24 23:05  Wolfram Gloger  <wmglo@dent.med.uni-muenchen.de>

	* malloc/malloc.c (malloc_get_state): New function.
	Saves global malloc state to an opaque data structure which
	is dynamically allocated in the heap.
	* malloc/malloc.c (malloc_set_state): New function.
	Restore previously obtained state.
	* malloc/malloc.h: Add declaration of malloc_get_state()
	and malloc_set_state().

1997-02-24 23:27  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/libm-ieee754/s_cbrtl.c: Shift B1_EXP value to right
	position.

1997-02-24 17:38  Ulrich Drepper  <drepper@cygnus.com>

	* misc/error.c: Make error and error_at_line weak aliases of
	__error and __error_at_line respectively.
	Suggested by David Mosberger-Tang <davidm@AZStarNet.COM>.

	* sysdeps/unix/sysv/linux/i386/socket.S: Update copyright.

1997-02-22 11:30  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/ldd.bash.in: Run the program directly, not as argument
	to the dynamic linker, if it contains an interpreter segment.
	* elf/ldd.sh.in: Likewise.

	* elf/rtld.c (dl_main): In verify mode check whether the dynamic
	object contains an interpreter segment and exit with 2 if not.

1997-02-23 01:23  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makefile (distribute): Remove nsswitch.h, netgroup.h, mcheck.h
	and xlocale.h.  Make-dist adds them automagically.

1997-02-22 12:25  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* locale/C-time.c (_nl_C_LC_TIME): Add missing entry for
	time-era-num-entries.

1997-02-06 13:49  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* rellns-sh: No need to check for existance of first parameter.

1997-02-24 15:20  Jonathan T. Agnew  <jtagnew@amherst.edu>

	* glibcbug.in: Don't mention destination on MAIL_AGENT command line
	to avoid duplicate mail.

1997-02-24 03:51  Ulrich Drepper  <drepper@cygnus.com>

	* Makefile (distribute): Add isomac.c.
	(tests): Run isomac test.

	* features.h (__USE_ISOC9X): New macro.

	* catgets/catgets.c: Don't use global variable `optind'.  Instead
	use result computed by argp_parse.
	* db/makedb: Likewise.
	* locale/programs/locale.c: Likewise.
	* locale/programs/localedef.c: Likewise.

	* libio/stdio.h: Rewrite.  Make it more readable and add comments.

	* libio/clearerr.c: Remove clearerr_locked alias.
	* libio/feof.c: Remove feof_locked alias.
	* libio/ferror.c: Remove feof_locked alias.
	* libio/fileno.c: Remove fileno_locked alias.
	* libio/fputc.c: Remove fputc_locked alias.
	* libio/getc.c: Remove getc_locked alias.
	* libio/getchar.c: Remove getchar_locked alias.
	* libio/iofflush.c: Remove fflush_locked alias.
	* libio/putc.c: Remove putc_locked alias.
	* libio/putc.c: Remove putchar_locked alias.

	* stdio-common/printf_fp.c: When number is inifinity print INF
	or inf depending on case of specifier.  Same for NaN where NAN
	or nan is printed.  Specified in ISO C 9X.

	* misc/sys/cdefs.h (__restrict): Define to empty string for now.
	* stdio/stdio.h: Add __restrict to prototypes where necessary.
	* libio/stdio.h: Likewise.
	* stdlib/stdlib.h: Likewise.
	* string/string.h: Likewise.
	* time/time.h: Likewise.
	* wcsmbs/wchar.h: Likewise.

	* stdlib/strtod.c: Change to recognize INF, INFINITY, NAN, and
	NAN(...).

	* sysdeps/ieee754/huge_val.h: Define HUGE_VALF and HUGE_VALL instead
	of HUGE_VALf and HUGE_VALL.
	* stdlib/strtof.c (FLOAT_HUGE_VAL): Use standard name HUGE_VALF
	instead of HUGE_VALf.
	* wcsmbs/wcstof.c: Likewise.
	* stdlib/strtold.c (FLOAT_HUGE_VAL): Use standard name HUGE_VALL
	instead of HUGE_VALl.
	* wcsmbs/wcstold.c: Likewise.

	* sysdeps/posix/gai_strerror.c: Use size_t for counter variable to
	avoid warning.

	* wcsmbs/Makefile (routines): Add wcscasecmp and wcsncase.
	* wcsmbs/wchar.h: Add prototypes for wcscasecmp and wcsncase.
	* wcsmbs/wcscasecmp.c: New file.
	* wcsmbs/wcsncase.c: New file.

	* stdlib/strtol.c: Define wide character quad word functions as
	wcstoll and wcstoull and normal versions as strtoll and strtoull.
	* wcsmbs/wchar.h: Add prototypes for wcstoll and wcstoull.
	* wcsmbs/wcstoq: Renamed to wcstoll.c.
	* wcsmbs/wcstouq: Renamed to wcstoull.c.
	* wcsmbs/wcstoll.c: Renamed from wcstoq.c.  Make wcstoq a weak
	alias of wcstoll.
	* wcsmbs/wcstoull.c: Renamed from wcstouq.c.  Make wcstouq a weak
	alias of wcstoull.
	* wcsmbs/Makefile (routines): Replace wcstoq and wcstouq by
	wcstoll and wcstoull respectively.
	* stdlib/strtoq.c: Rename to strtoll.c.
	* stdlib/strtouq.c: Rename to strtoull.c.
	* stdlib/strtoll.c: Renamed from strtoq.c.  Make strtoq a weak
	alias of strtoll.
	* stdlib/strtoll.c: Renamed from strtouq.c.  Make strtouq a weak
	alias of strtoull.
	* stdlib/Makefile (routines): Replace strtoq and strtouq by
	strtoll and strtoull respectively.
	* stdio-common/vfscanf.c: Don't use __strtoq_internal and
	__strtouq_internal but instead __strtoll_internal and
	__strtoull_internal respectively.
	* stdlib/stdlib.h (strtoq): Use __internal_strtoll in inline version.
	(strtouq): Similar with __internal_strtoull.
	* wcsmbs/wchar.h (wcstoq): Use __internal_wcstoll in inline version.
	(wcstouq): Similar with __internal_wcstoull.

1997-02-23 04:38  Ulrich Drepper  <drepper@cygnus.com>

	* stdlib/strtol.c (STRTOL): It is not illegal to parse a minus
	sign in the strtouXX functions.  The results gets simply negated.
	* stdio-common/tstscanf.c: Add testcase for above case.
	* stdlib/tst-strtol.c: Correct tests.

	* manual/stdio-fp.c: New file.  Generate output for example program
	in stdio.texi.

	* stdio-common/Makefile (routines): Add printf_fphex.
	* stdio-common/vfprintf.c: Add handling of %a and %A specifier.
	* stdio-common/printf_fphex.c: New file.  Implement %a and %A
	specifier.

1997-02-22 03:01  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/timebits.h (CLK_TCK): Don't defined if
	__STRICT_ANSI__.

	* math/math.h: Prevent definition of struct exception when using
	C++.

1997-02-22 01:45  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/syscalls.list: Dup takes only one argument.
	Reported by Greg McGary.

1997-02-21 00:22  Miles Bader  <miles@gnu.ai.mit.edu>
1997-02-20 01:28  Miles Bader  <miles@gnu.ai.mit.edu>
1997-02-19 13:56  Miles Bader  <miles@gnu.ai.mit.edu>
1997-02-18 15:39  Miles Bader  <miles@gnu.ai.mit.edu>
1997-02-17 10:58  Miles Bader  <miles@gnu.ai.mit.edu>
1997-02-15 10:23  Miles Bader  <miles@gnu.ai.mit.edu>
	(mutex_lock, mutex_unlock, mutex_trylock): Defined in terms of
	__mutex_*.
	(mutex_t): Type removed & replaced by new macro.
	(tsd_key_t): Typedef to int instead of pthread_key_t.
	(tsd_key_create, tsd_setspecific, tsd_getspecific): New macros.
	(__pthread_initialize): New macro, work around assumption of pthreads.

	* sysdeps/mach/hurd/i386/init-first.c (__libc_argv, __libc_argc):
	__hurd_sigthread_stack_end, __hurd_sigthread_stack_variables,
	__hurd_threadvar_max, __hurd_threadvar_stack_offset,
	__hurd_threadvar_stack_mask): Variables removed.
1997-02-14 14:07  Miles Bader  <miles@gnu.ai.mit.edu>
	* hurd/hurd.h (_hurd_pids_changed_stamp, _hurd_pids_changed_sync):
1997-02-24 17:06  Geoffrey Keating  <geoffk@discus.anu.edu.au>

	* sysdeps/unix/sysv/linux/accept.S (NARGS): Describe number of
	arguments taken, for sysdeps/unix/sysv/linux/powerpc/socket.S.
	* sysdeps/unix/sysv/linux/bind.S: Likewise.
	* sysdeps/unix/sysv/linux/connect.S: Likewise.
	* sysdeps/unix/sysv/linux/getpeername.S: Likewise.
	* sysdeps/unix/sysv/linux/getsockname.S: Likewise.
	* sysdeps/unix/sysv/linux/getsockopt.S: Likewise.
	* sysdeps/unix/sysv/linux/listen.S: Likewise.
	* sysdeps/unix/sysv/linux/recv.S: Likewise.
	* sysdeps/unix/sysv/linux/recvfrom.S: Likewise.
	* sysdeps/unix/sysv/linux/recvmsg.S: Likewise.
	* sysdeps/unix/sysv/linux/send.S: Likewise.
	* sysdeps/unix/sysv/linux/sendmsg.S: Likewise.
	* sysdeps/unix/sysv/linux/sendto.S: Likewise.
	* sysdeps/unix/sysv/linux/setsockopt.S: Likewise.
	* sysdeps/unix/sysv/linux/shutdown.S: Likewise.
	* sysdeps/unix/sysv/linux/socketpair.S: Likewise.

1997-02-15 04:51  Ulrich Drepper  <drepper@cygnus.com>
1997-02-25 05:18:05 +00:00

93 lines
2.9 KiB
C

/* `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.
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 _HUGE_VAL_H
#define _HUGE_VAL_H 1
#include <features.h>
#include <sys/cdefs.h>
#include <endian.h>
/* IEEE positive infinity (-HUGE_VAL is negative infinity). */
#if __BYTE_ORDER == __BIG_ENDIAN
#define __HUGE_VAL_bytes { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 }
#endif
#if __BYTE_ORDER == __LITTLE_ENDIAN
#define __HUGE_VAL_bytes { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f }
#endif
#define __huge_val_t union { unsigned char __c[8]; double __d; }
#ifdef __GNUC__
#define HUGE_VAL (__extension__ \
((__huge_val_t) { __c: __HUGE_VAL_bytes }).__d)
#else /* Not GCC. */
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
#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
#define __huge_valf_t union { unsigned char __c[4]; float __f; }
#ifdef __GNUC__
#define HUGE_VALF (__extension__ \
((__huge_valf_t) { __c: __HUGE_VALF_bytes }).__f)
#else /* Not GCC. */
static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
#define HUGE_VALF (__huge_valf.__f)
#endif /* GCC. */
#if __BYTE_ORDER == __BIG_ENDIAN
#define __HUGE_VALL_bytes { 0x7f, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
#endif
#if __BYTE_ORDER == __LITTLE_ENDIAN
#define __HUGE_VALL_bytes { 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0x7f, 0, 0 }
#endif
#define __huge_vall_t union { unsigned char __c[12]; long double __ld; }
#ifdef __GNUC__
#define HUGE_VALL (__extension__ \
((__huge_vall_t) { __c: __HUGE_VALL_bytes }).__ld)
#else /* Not GCC. */
static __huge_vall_t __huge_vall = { __HUGE_VALL_bytes };
#define HUGE_VALL (__huge_vall.__ld)
#endif /* GCC. */
/* Expression representing positive infinity. Here it is the same as
HUGE_VALF. */
#define INFINITY HUGE_VALF
#endif /* __USE_ISOC9X. */
#endif /* huge_val.h */