From f2ea0f5b0d6ff2bbf261a5fd3d61f967e36f22e6 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 15 Oct 1997 05:34:02 +0000 Subject: Update. 1997-10-15 06:56 Ulrich Drepper * Rules: Remove ruls to magically install .h headers. Reported by Mark Kettenis . * glibcbug.in: Fix @gnu.ai.mit.edu -> @gnu.org. * version.c: Likewise. * catgets/gencat.c: Likewise. * db2/makedb.c: Likewise. * locale/programs/locale.c: Likewise. * locale/programs/localedef.c: Likewise. * libc.map: Move _IO_list_all back to GLIBC_2.0. * elf/rtld.c: Provide name of running program to _dl_new_object. * Rules: Implement shared-only-sources. * include/libc-symbols.h: Define default_symbol_version. * libio/Makefile (shared-only-sources): Define. * libio/freopen.c: Define as default version. * libio/iofopen.c: Likewise. * libio/genops.c: Define _IO_list_all here. * libio/stdfiles.c: Create linked list with public names. * libio/oldstdfiles.c: Likewise. * stdio-common/printf.c: Optimize. * stdio-common/scanf.c: Optimize. * sysdeps/generic/setfpucw.c: Include #include <...> not "...". * sysdeps/i386/i486/bits/string.h: Add optimized versions of index and rindex. 1997-10-14 Andreas Jaeger * manual/arith.texi: Spelling fixes. * manual/conf.texi: Likewise. * manual/creature.texi: Likewise. * manual/filesys.texi: Likewise. * manual/intro.texi: Likewise. * manual/llio.texi: Likewise. * manual/math.texi: Likewise. * manual/message.texi: Likewise. * manual/pattern.texi: Likewise. * manual/search.texi: Likewise. * manual/signal.texi: Likewise. * manual/socket.texi: Likewise. * manual/startup.texi: Likewise. * manual/stdio.texi: Likewise. * manual/string.texi: Likewise. * manual/time.texi: Likewise. * manual/users.texi: Likewise. 1997-10-13 05:25 Ulrich Drepper * sysdeps/generic/sys/mman.h: Use __ptr_t instead of __caddr_t. * sysdeps/unix/bsd/osf/sys/mman.h: Likewise. * sysdeps/unix/bsd/sun/sunos4/sys/mman.h: Likewise. * sysdeps/unix/bsd/ultrix4/sys/mman.h: Likewise. * sysdeps/unix/sysv/irix4/sys/mman.h: Likewise. * sysdeps/unix/sysv/linux/sys/mman.h: Likewise. * sysdeps/mach/hurd/mmap.c: Likewise. * sysdeps/generic/mmap.c: Likewise. * sysdeps/unix/bsd/sun/sunos4/mmap.c: Likewise. * sysdeps/mach/munmap.c: Likewise. * sysdeps/generic/munmap.c: Likewise. * sysdeps/mach/mprotect.c: Likewise. * sysdeps/generic/mprotect.c: Likewise. * sysdeps/generic/msync.c: Likewise. * sysdeps/generic/madvise.c: Likewise. * sysdeps/unix/sysv/linux/madvise.c: Include stub version from generic subdir. 1997-10-12 20:27 Zack Weinberg * sysdeps/stub (all files): Moved to sysdeps/generic. * all files using stub_warning: Include . * include/stub-tag.h: New file, marks stubs in .d files. * Makerules: Look for stub-tag.h, not sysdeps/stub, when building . * configure.in: Don't add sysdeps/stub to $sysnames. * sysdeps/unix/Makefile: Look for generic headers, not stub headers. * sysdeps/generic/Makefile: Likewise. * manual/maint.texi: Delete references to sysdeps/stub. * INSTALL: Rebuilt. * configure: Rebuilt. --- bits/fenv.h | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 bits/fenv.h (limited to 'bits/fenv.h') diff --git a/bits/fenv.h b/bits/fenv.h new file mode 100644 index 0000000..f45deb0 --- /dev/null +++ b/bits/fenv.h @@ -0,0 +1,61 @@ +/* Copyright (C) 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 _FENV_H +#error "Never use directly; include instead." +#endif + + +/* Here should be the exception be defined: + FE_INVALID + FE_DIVBYZERO + FE_OVERFLOW + FE_UNDERFLOW + FE_INEXACT + We define no macro which signals no exception is supported. */ + +#define FE_ALL_EXCEPT 0 + + +/* Here should the rounding modes be defined: + FE_TONEAREST + FE_DOWNWARD + FE_UPWARD + FE_TOWARDSZERO + We define no macro which signals no rounding mode is selectable. */ + + +/* Type representing exception flags. + XXX Probably we should also include the signal handler here. */ +typedef struct + { + unsigned int flags; + } +fexcept_t; + + +/* Type representing floating-point environment. */ +typedef struct + { + fexcept_t excepts; + /* XXX I don't know what else we should save. */ + } +fenv_t; + +/* If the default argument is used we use this value. */ +#define FE_DFL_ENV ((fenv_t *) -1l) -- cgit v1.1