glibc/stdlib/drand48.c

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update from main archive 960921 Sun Sep 22 03:40:52 1996 Ulrich Drepper <drepper@cygnus.com> * resolv/resolv.h: Update to bind-4.9.5-T4B. * resolv/base64.c: Likewise. * resolv/res_debug.c: Likewise. * resolv/res_query.c: Likewise. * resolv/gethnamaddr.c: Likewise. * nss/nss_dns/dns-host.c: Likewise. * resolv/res_comp.c: Likewise. * resolv/res_send.c: Likewise. * resolv/arpa/nameser.h: Likewise. Attention: MAXDNAME is much higher now. * resolv/Banner: New file. * resolv/Makefile (distribute): Add Banner. Sat Sep 21 19:15:24 1996 Ulrich Drepper <drepper@cygnus.com> * sysdeps/stub/getsysstats.c: New file. * sysdeps/unix/sysv/linux/getsysstats.c: New file. * misc/Makefile (headers): Add sys/sysinfo.h. (routines): Add getsysstats. * sysdeps/unix/sysv/linux/Makefile [$(subdir)==misc] (sysdep_headers): Remove sys/sysinfo.h. * sysdeps/generic/sys/sysinfo.h: New file. * sysdeps/unix/sysv/linux/sys/sysinfo.h: Add prototype for get_nprocs, get_phys_pages, and get_avphys_pages. * misc/Makefile (routines): Add mntent_r. * misc/mntent_r.c: New file. * misc/mntent.c: Remove all functions but getmntent and use __getmntent_r. * misc/mntent.h: Add prototype for __getmntent_r. * misc/fstab.c: Use __getmntent_r function instead of getmntent. This will not clobber the state in getmntent. * sysdeps/generic/confname.h: Add _SC_PROCESSORS_CONF, _SC_NPROCESSORS_ONLN, _SC_PHYS_PAGES, _SC_AVPHYS_PAGES, _SC_ATEXIT_MAX, and _SC_PASS_MAX. * sysdeps/stub/sysconf.c: Add handling _SC_PROCESSORS_CONF and _SC_NPROCESSORS_ONLN by calling __get_nprocs, _SC_PHYS_PAGES by calling __get_phys_pages, _SY_AVPHYS_PAGES by calling __get_avphys_pages, _SC_ATEXIT_MAX and _SC_PASS_MAX. * sysdeps/posix/sysconf.c: Likewise. * posix/getconf.c (vars): Add _NPROCESSORS_CONF, _NPROCESSORS_ONLN, _PHYS_PAGES, _AVPHYS_PAGES, ATEXIT_MAX, and PASS_MAX entries. Sat Sep 21 05:20:36 1996 Ulrich Drepper <drepper@cygnus.com> * version.h (VERSION): Bump to 1.95. * Make-dist (+tsrcs): Don't filter out files in subdirs which match files in the sysdeps hierachy (welcome back, sys/syscall.h!). * resolv/Makefile (libresolv-routines): Remove getnetnamad. Sat Sep 21 03:00:19 1996 Ulrich Drepper <drepper@cygnus.com> * locale/loadlocale.c (_nl_free_locale): Remove function. * locale/localeinfo.h: Remove prototype for _nl_free_locale. * locale/setlocale.c (setlocale): Don't free locale data of categories which succeeded to load after a wrong or missing data file was observed. * locale/setlocale (setlocale): Initialize NEWNAME correctly so that it works even when the locale data is not used. * stdlib/random_r.c: Fix typo in comment. * stdlib/drand48-iter.c: Likewise. * stdlib/drand48.c: Likewise. * stdlib/erand48.c: Likewise. * stdlib/jrand48.c: Likewise. * stdlib/lcong48.c: Likewise. * stdlib/lrand48.c: Likewise. * stdlib/mrand48.c: Likewise. * stdlib/nrand48.c: Likewise. * stdlib/random.c: Likewise. * stdlib/seed48.c: Likewise. * stdlib/srand48.c: Likewise. * misc/search.h: Likewise. * misc/hsearch.c: Likewise. * misc/hsearch_r.c: Likewise. * sysdeps/unix/sysv/linux/m68k/sysdep.S (__errno_location): Thu Sep 19 23:36:19 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * hurd/hurdinit.c (__libc_argv): Provide common decl. (_hurd_setproc): Don't declare __libc_argv here.
1996-09-22 11:06:42 +08:00
/* Copyright (C) 1995, 1996 Free Software Foundation, Inc.
Sat Sep 16 17:47:19 1995 Ulrich Drepper <drepper@ipd.info.uni-karlsruhe.de> * elf/elf.h (AT_GID): Fix typo: Read -> Real. * misc/efgvt_r.c: New file. Reentrant version of [efg]cvt functions. * misc/efgcvt.c: Rewrite to use reentrant functions. * misc/hsearch_r.c: New file. Reentrant version of functions from hsearch family. * misc/hsearch.c, misc/tsearch.c: New files. * misc/Makefile (routines): Add efgcvt_r, hsearch_r, hsearch, tsearch. * posix/unistd.h (ttyname_r): Add prototype for new function. * stdlib/drand48_r.c, stdlib/erand48_r.c, stdlib/jrand48_r.c, stdlib/lrand48_r.c, stdlib/mrand48_r.c, stdlib/nrand48_r.c, stdlib/seed48_r.c, stdlib/srand48_r.c, stdlib/lcong48_r.c, stdlib/drand48-iter.c: New files implementing reentrant versions of functions from drand48 family. * stdlib/seed48.c, stdlib/drand48.c, stdlib/erand48.c, stdlib/jrand48.c, stdlib/lrand48.c, stdlib/mrand48.c, stdlib/nrand48.c, stdlib/srand48.c, stdlib/lcong48.c: Rewrite to use reentrant versions. * stdlib/a64l.c, stdlib/l64a.c: New files. Implement a64l() and l64a() functions from SysV library. * stdlib/Makefile (routines): Add drand48_r, erand48_r, lrand48_r, nrand48_r, mrand48_r, jrand48_r, srand48_r, seed48_r, lcong48_r, drand48-iter, a64l, l64a. * stdlib/stdlib.h: Declare them. * stdlib/random_r.c: New file. Reentrant version of functions from random family. * stdlib/stdlib.h: Declare them. * stdlib/random.c: Rewrite to use reentrant functions. * string/strerror_r.c: New file. Reentrant version. * string/strerror.c: Change for new _strerror_internal form. * string/Makefile (routines): Add strerror_r. * sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): Set default value of user_entry to `_start'. Close AT_ENTRY case with `break'. * sysdeps/generic/strstr.c: New and much faster implementation by Stephen R. van den Berg. * sysdeps/generic/_strerror.c: _strerror_internal now takes three argument and has and explicit buffer length. * sysdeps/mach/_strerror.c: Change for new interface with three arguments. * stdio/perror.c, stdio/vfprintf.c: Callers changed. * sysdeps/mach/hurd/ttyname_r.c: New file. Reentrant version. * sysdeps/posix/ttyname_r.c: New file. Reentrant version. * sysdeps/stub/ttyname_r: New file. Define as dummy function. * sysdeps/posix/utimes.c: Include <utime.h> for prototype. (utimes): First parameter to utime must be file, not path. * sysdeps/posix/sysconf.c (__sysconf): Test for CLK_TCK in case _SC_CLK_TCK and return it when available. Test for STREAM_MAX in case _SC_STREAM_MAX and return it when available. Add case for _SC_2_LOCALEDEF which is now available. * posix/sys/types.h [__USE_SVID] (key_t): New type. * sysvipc/Makefile, sysvipc/ftok.c, sysvipc/sys/ipc.h, sysvipc/sys/msg.h, sysvipc/sys/sem.h, sysvipc/sys/shm.h, sysdeps/stub/sys/msq_buf.h, sysdeps/stub/sys/sem_buf.h, sysdeps/stub/sys/shm_buf.h, sysdeps/stub/sys/ipc_buf.h, sysdeps/stub/semctl.c, sysdeps/stub/semget.c, sysdeps/stub/semop.c, sysdeps/stub/shmat.c, sysdeps/stub/shmctl.c, sysdeps/stub/shmdt.c, sysdeps/stub/shmget.c, sysdeps/stub/msgctl.c, sysdeps/stub/msgget.c, sysdeps/stub/msgrcv.c, sysdeps/stub/msgsnd.c: New files. Add implementation of System V IPC.
1995-09-18 04:23:15 +08:00
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
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. */
#include <stdlib.h>
update from main archive 960921 Sun Sep 22 03:40:52 1996 Ulrich Drepper <drepper@cygnus.com> * resolv/resolv.h: Update to bind-4.9.5-T4B. * resolv/base64.c: Likewise. * resolv/res_debug.c: Likewise. * resolv/res_query.c: Likewise. * resolv/gethnamaddr.c: Likewise. * nss/nss_dns/dns-host.c: Likewise. * resolv/res_comp.c: Likewise. * resolv/res_send.c: Likewise. * resolv/arpa/nameser.h: Likewise. Attention: MAXDNAME is much higher now. * resolv/Banner: New file. * resolv/Makefile (distribute): Add Banner. Sat Sep 21 19:15:24 1996 Ulrich Drepper <drepper@cygnus.com> * sysdeps/stub/getsysstats.c: New file. * sysdeps/unix/sysv/linux/getsysstats.c: New file. * misc/Makefile (headers): Add sys/sysinfo.h. (routines): Add getsysstats. * sysdeps/unix/sysv/linux/Makefile [$(subdir)==misc] (sysdep_headers): Remove sys/sysinfo.h. * sysdeps/generic/sys/sysinfo.h: New file. * sysdeps/unix/sysv/linux/sys/sysinfo.h: Add prototype for get_nprocs, get_phys_pages, and get_avphys_pages. * misc/Makefile (routines): Add mntent_r. * misc/mntent_r.c: New file. * misc/mntent.c: Remove all functions but getmntent and use __getmntent_r. * misc/mntent.h: Add prototype for __getmntent_r. * misc/fstab.c: Use __getmntent_r function instead of getmntent. This will not clobber the state in getmntent. * sysdeps/generic/confname.h: Add _SC_PROCESSORS_CONF, _SC_NPROCESSORS_ONLN, _SC_PHYS_PAGES, _SC_AVPHYS_PAGES, _SC_ATEXIT_MAX, and _SC_PASS_MAX. * sysdeps/stub/sysconf.c: Add handling _SC_PROCESSORS_CONF and _SC_NPROCESSORS_ONLN by calling __get_nprocs, _SC_PHYS_PAGES by calling __get_phys_pages, _SY_AVPHYS_PAGES by calling __get_avphys_pages, _SC_ATEXIT_MAX and _SC_PASS_MAX. * sysdeps/posix/sysconf.c: Likewise. * posix/getconf.c (vars): Add _NPROCESSORS_CONF, _NPROCESSORS_ONLN, _PHYS_PAGES, _AVPHYS_PAGES, ATEXIT_MAX, and PASS_MAX entries. Sat Sep 21 05:20:36 1996 Ulrich Drepper <drepper@cygnus.com> * version.h (VERSION): Bump to 1.95. * Make-dist (+tsrcs): Don't filter out files in subdirs which match files in the sysdeps hierachy (welcome back, sys/syscall.h!). * resolv/Makefile (libresolv-routines): Remove getnetnamad. Sat Sep 21 03:00:19 1996 Ulrich Drepper <drepper@cygnus.com> * locale/loadlocale.c (_nl_free_locale): Remove function. * locale/localeinfo.h: Remove prototype for _nl_free_locale. * locale/setlocale.c (setlocale): Don't free locale data of categories which succeeded to load after a wrong or missing data file was observed. * locale/setlocale (setlocale): Initialize NEWNAME correctly so that it works even when the locale data is not used. * stdlib/random_r.c: Fix typo in comment. * stdlib/drand48-iter.c: Likewise. * stdlib/drand48.c: Likewise. * stdlib/erand48.c: Likewise. * stdlib/jrand48.c: Likewise. * stdlib/lcong48.c: Likewise. * stdlib/lrand48.c: Likewise. * stdlib/mrand48.c: Likewise. * stdlib/nrand48.c: Likewise. * stdlib/random.c: Likewise. * stdlib/seed48.c: Likewise. * stdlib/srand48.c: Likewise. * misc/search.h: Likewise. * misc/hsearch.c: Likewise. * misc/hsearch_r.c: Likewise. * sysdeps/unix/sysv/linux/m68k/sysdep.S (__errno_location): Thu Sep 19 23:36:19 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * hurd/hurdinit.c (__libc_argv): Provide common decl. (_hurd_setproc): Don't declare __libc_argv here.
1996-09-22 11:06:42 +08:00
/* Global state for non-reentrant functions. Defined in drand48-iter.c. */
Sat Sep 16 17:47:19 1995 Ulrich Drepper <drepper@ipd.info.uni-karlsruhe.de> * elf/elf.h (AT_GID): Fix typo: Read -> Real. * misc/efgvt_r.c: New file. Reentrant version of [efg]cvt functions. * misc/efgcvt.c: Rewrite to use reentrant functions. * misc/hsearch_r.c: New file. Reentrant version of functions from hsearch family. * misc/hsearch.c, misc/tsearch.c: New files. * misc/Makefile (routines): Add efgcvt_r, hsearch_r, hsearch, tsearch. * posix/unistd.h (ttyname_r): Add prototype for new function. * stdlib/drand48_r.c, stdlib/erand48_r.c, stdlib/jrand48_r.c, stdlib/lrand48_r.c, stdlib/mrand48_r.c, stdlib/nrand48_r.c, stdlib/seed48_r.c, stdlib/srand48_r.c, stdlib/lcong48_r.c, stdlib/drand48-iter.c: New files implementing reentrant versions of functions from drand48 family. * stdlib/seed48.c, stdlib/drand48.c, stdlib/erand48.c, stdlib/jrand48.c, stdlib/lrand48.c, stdlib/mrand48.c, stdlib/nrand48.c, stdlib/srand48.c, stdlib/lcong48.c: Rewrite to use reentrant versions. * stdlib/a64l.c, stdlib/l64a.c: New files. Implement a64l() and l64a() functions from SysV library. * stdlib/Makefile (routines): Add drand48_r, erand48_r, lrand48_r, nrand48_r, mrand48_r, jrand48_r, srand48_r, seed48_r, lcong48_r, drand48-iter, a64l, l64a. * stdlib/stdlib.h: Declare them. * stdlib/random_r.c: New file. Reentrant version of functions from random family. * stdlib/stdlib.h: Declare them. * stdlib/random.c: Rewrite to use reentrant functions. * string/strerror_r.c: New file. Reentrant version. * string/strerror.c: Change for new _strerror_internal form. * string/Makefile (routines): Add strerror_r. * sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): Set default value of user_entry to `_start'. Close AT_ENTRY case with `break'. * sysdeps/generic/strstr.c: New and much faster implementation by Stephen R. van den Berg. * sysdeps/generic/_strerror.c: _strerror_internal now takes three argument and has and explicit buffer length. * sysdeps/mach/_strerror.c: Change for new interface with three arguments. * stdio/perror.c, stdio/vfprintf.c: Callers changed. * sysdeps/mach/hurd/ttyname_r.c: New file. Reentrant version. * sysdeps/posix/ttyname_r.c: New file. Reentrant version. * sysdeps/stub/ttyname_r: New file. Define as dummy function. * sysdeps/posix/utimes.c: Include <utime.h> for prototype. (utimes): First parameter to utime must be file, not path. * sysdeps/posix/sysconf.c (__sysconf): Test for CLK_TCK in case _SC_CLK_TCK and return it when available. Test for STREAM_MAX in case _SC_STREAM_MAX and return it when available. Add case for _SC_2_LOCALEDEF which is now available. * posix/sys/types.h [__USE_SVID] (key_t): New type. * sysvipc/Makefile, sysvipc/ftok.c, sysvipc/sys/ipc.h, sysvipc/sys/msg.h, sysvipc/sys/sem.h, sysvipc/sys/shm.h, sysdeps/stub/sys/msq_buf.h, sysdeps/stub/sys/sem_buf.h, sysdeps/stub/sys/shm_buf.h, sysdeps/stub/sys/ipc_buf.h, sysdeps/stub/semctl.c, sysdeps/stub/semget.c, sysdeps/stub/semop.c, sysdeps/stub/shmat.c, sysdeps/stub/shmctl.c, sysdeps/stub/shmdt.c, sysdeps/stub/shmget.c, sysdeps/stub/msgctl.c, sysdeps/stub/msgget.c, sysdeps/stub/msgrcv.c, sysdeps/stub/msgsnd.c: New files. Add implementation of System V IPC.
1995-09-18 04:23:15 +08:00
extern struct drand48_data __libc_drand48_data;
double
drand48 ()
{
double result;
(void) erand48_r (__libc_drand48_data.X, &__libc_drand48_data, &result);
return result;
}