diff options
author | Ulrich Drepper <drepper@redhat.com> | 1999-10-31 23:32:56 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1999-10-31 23:32:56 +0000 |
commit | 63ae7b6309964400c6289d9030c7d336a33b304f (patch) | |
tree | b4b63c3c08a2221de53048493b2c586a9aa79689 /sysdeps/powerpc/fpu/feholdexcpt.c | |
parent | b4cbd37109d882aa052e7973684774eaa887071b (diff) | |
download | glibc-63ae7b6309964400c6289d9030c7d336a33b304f.tar.gz |
Update.
* Versions.def (libm): Add GLIBC_2.1.3.
ISO C99 TR1 changes various fe* functions to return an error value.
* math/Versions [GLIBC_2.1.3]: Add feclearexcept, fegetexceptflag,
feraiseexcept, fesetexceptflag, fegetenv, fesetenv, and feupdateenv.
* sysdeps/alpha/fpu/fclrexcpt.c: Return value and add alias.
* sysdeps/alpha/fpu/fegetenv.c: Likewise.
* sysdeps/alpha/fpu/fesetenv.c: Likewise.
* sysdeps/alpha/fpu/feupdateenv.c: Likewise.
* sysdeps/alpha/fpu/fgetexcptflg.c: Likewise.
* sysdeps/alpha/fpu/fraiseexcpt.c: Likewise.
* sysdeps/alpha/fpu/fsetexcptflg.c: Likewise.
* sysdeps/arm/fpu/fclrexcpt.c: Likewise.
* sysdeps/arm/fpu/fegetenv.c: Likewise.
* sysdeps/arm/fpu/fesetenv.c: Likewise.
* sysdeps/arm/fpu/fraiseexcpt.c: Likewise.
* sysdeps/arm/fpu/fsetexcptflg.c: Likewise.
* sysdeps/generic/fclrexcpt.c: Likewise.
* sysdeps/generic/fegetenv.c: Likewise.
* sysdeps/generic/fesetenv.c: Likewise.
* sysdeps/generic/feupdateenv.c: Likewise.
* sysdeps/generic/fgetexcptflg.c: Likewise.
* sysdeps/generic/fraiseexcpt.c: Likewise.
* sysdeps/generic/fsetexcptflg.c: Likewise.
* sysdeps/i386/fpu/fclrexcpt.c: Likewise.
* sysdeps/i386/fpu/fegetenv.c: Likewise.
* sysdeps/i386/fpu/fesetenv.c: Likewise.
* sysdeps/i386/fpu/feupdateenv.c: Likewise.
* sysdeps/i386/fpu/fgetexcptflg.c: Likewise.
* sysdeps/i386/fpu/fraiseexcpt.c: Likewise.
* sysdeps/i386/fpu/fsetexcptflg.c: Likewise.
* sysdeps/m68k/fpu/fclrexcpt.c: Likewise.
* sysdeps/m68k/fpu/fegetenv.c: Likewise.
* sysdeps/m68k/fpu/fesetenv.c: Likewise.
* sysdeps/m68k/fpu/feupdateenv.c: Likewise.
* sysdeps/m68k/fpu/fgetexcptflg.c: Likewise.
* sysdeps/m68k/fpu/fraiseexcpt.c: Likewise.
* sysdeps/m68k/fpu/fsetexcptflg.c: Likewise.
* sysdeps/mips/fclrexcpt.c: Likewise.
* sysdeps/mips/fegetenv.c: Likewise.
* sysdeps/mips/fesetenv.c: Likewise.
* sysdeps/mips/feupdateenv.c: Likewise.
* sysdeps/mips/fgetexcptflg.c: Likewise.
* sysdeps/powerpc/fclrexcpt.c: Likewise.
* sysdeps/powerpc/fegetenv.c: Likewise.
* sysdeps/powerpc/fesetenv.c: Likewise.
* sysdeps/powerpc/feupdateenv.c: Likewise.
* sysdeps/powerpc/fgetexcptflg.c: Likewise.
* sysdeps/powerpc/fraiseexcpt.c: Likewise.
* sysdeps/powerpc/fsetexcptflg.c: Likewise.
* sysdeps/sparc/fpu/fclrexcpt.c: Likewise.
* sysdeps/sparc/fpu/fegetenv.c: Likewise.
* sysdeps/sparc/fpu/fesetenv.c: Likewise.
* sysdeps/sparc/fpu/feupdateenv.c: Likewise.
* sysdeps/sparc/fpu/fgetexcptflg.c: Likewise.
* sysdeps/sparc/fpu/fraiseexcpt.c: Likewise.
* sysdeps/sparc/fpu/fsetexcptflg.c: Likewise.
* math/fenv.h: Adjust prototypes.: Likewise.
* manual/arith.texi: Adjust documentation for these changes.
* manual/arith.texi: Document feraiseexcept.
* sysdeps/powerpc/fegetenv.c: Moved to...
* sysdeps/powerpc/fpu/fegetenv.c: ...here.
* sysdeps/powerpc/fegetround.c: Moved to...
* sysdeps/powerpc/fpu/fegetround.c: ...here.
* sysdeps/powerpc/feholdexcpt.c: Moved to...
* sysdeps/powerpc/fpu/feholdexcpt.c: ...here.
* sysdeps/powerpc/fesetenv.c: Moved to...
* sysdeps/powerpc/fpu/fesetenv.c: ...here.
* sysdeps/powerpc/fenv_libc.h: Moved to...
* sysdeps/powerpc/fpu/fenv_libc.h: ...here.
* sysdeps/powerpc/feupdateenv.c: Moved to...
* sysdeps/powerpc/fpu/feupdateenv.c: ...here.
* sysdeps/powerpc/fgetexcptflg.c: Moved to...
* sysdeps/powerpc/fpu/fgetexcptflg.c: ...here.
* sysdeps/powerpc/fraiseexcpt.c: Moved to...
* sysdeps/powerpc/fpu/fraiseexcpt.c: ...here.
* sysdeps/powerpc/fsetexcptflg.c: Moved to...
* sysdeps/powerpc/fpu/fsetexcptflg.c: ...here.
* sysdeps/powerpc/ftestexcept.c: Moved to...
* sysdeps/powerpc/fpu/ftestexcept.c: ...here.
* sysdeps/powerpc/fesetround.c: Moved to...
* sysdeps/powerpc/fpu/fesetround.c: ...here
* sysdeps/powerpc/fenv_const.c: Moved to...
* sysdeps/powerpc/fpu/fenv_const.c: ...here.
1999-10-29 Jakub Jelinek <jakub@redhat.com>
* stdlib/longlong.h: Avoid UDIV_TIME redefinition.
* sysdeps/sparc/sparc32/dl-machine.h: Fix loading of SPARC v8plus
libraries from statically linked programs.
* sysdeps/unix/sysv/linux/sparc/bits/sigaction.h: POSIX 199309
fix for sigaction on SPARC.
Patches by David S. Miller <davem@redhat.com>.
* sysdeps/unix/sysv/linux/sparc/sys/ucontext.h: Declare
gregset_t and other required structures and defines for SPARC 64bit
ABI as well, not only 32bit ABI.
1999-10-31 Andreas Jaeger <aj@suse.de>
* sysdeps/sparc/sparc64/fpu/bits/huge_val.h: Replace __USE_ISOC9X
by __USE_ISOC99 and update comments.
* math/complex.h: Update comments for ISO C99.
* math/fenv.h: Likewise.
* math/test-fenv.c: Likewise.
* math/tgmath.h: Likewise.
* libio/stdio.h: Likewise.
* posix/sys/types.h: Likewise.
* sysdeps/generic/inttypes.h: Likewise.
* sysdeps/generic/stdint.h: Likewise.
1999-10-31 Ulrich Drepper <drepper@cygnus.com>
Diffstat (limited to 'sysdeps/powerpc/fpu/feholdexcpt.c')
-rw-r--r-- | sysdeps/powerpc/fpu/feholdexcpt.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/sysdeps/powerpc/fpu/feholdexcpt.c b/sysdeps/powerpc/fpu/feholdexcpt.c new file mode 100644 index 0000000000..a75adbf49e --- /dev/null +++ b/sysdeps/powerpc/fpu/feholdexcpt.c @@ -0,0 +1,38 @@ +/* Store current floating-point environment and clear exceptions. + 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. */ + +#include <fenv_libc.h> + +int +feholdexcept (fenv_t *envp) +{ + fenv_union_t u; + + /* Get the current state. */ + u.fenv = *envp = fegetenv_register (); + + /* Clear everything except for the rounding mode and non-IEEE arithmetic + flag. */ + u.l[1] = u.l[1] & 7; + + /* Put the new state in effect. */ + fesetenv_register (u.fenv); + + return 1; +} |