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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 /manual | |
parent | b4cbd37109d882aa052e7973684774eaa887071b (diff) | |
download | glibc-63ae7b6309964400c6289d9030c7d336a33b304f.zip glibc-63ae7b6309964400c6289d9030c7d336a33b304f.tar.gz glibc-63ae7b6309964400c6289d9030c7d336a33b304f.tar.bz2 |
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 'manual')
-rw-r--r-- | manual/.cvsignore | 4 | ||||
-rw-r--r-- | manual/arith.texi | 45 | ||||
-rw-r--r-- | manual/creature.texi | 2 |
3 files changed, 43 insertions, 8 deletions
diff --git a/manual/.cvsignore b/manual/.cvsignore index 1d23d99..268ddb6 100644 --- a/manual/.cvsignore +++ b/manual/.cvsignore @@ -1,5 +1,5 @@ *.d *.o *.so *.po *.go stamp.* *.stamp *.ustamp *.udeps -*.gz *.Z *.tar *.tgz +*.gz *.Z *.tar *.tgz *.bz2 =* TODO COPYING* AUTHORS copyr-* copying.* glibc-* @@ -10,3 +10,5 @@ glibc-* texis top-menu.texi chapters.texi summary.texi stamp-* distinfo dir-add.texinfo + +libm-err.texi diff --git a/manual/arith.texi b/manual/arith.texi index 0dae46c..51d67a9 100644 --- a/manual/arith.texi +++ b/manual/arith.texi @@ -476,9 +476,27 @@ and save and restore the set of exceptions flagged. @comment fenv.h @comment ISO -@deftypefun void feclearexcept (int @var{excepts}) +@deftypefun int feclearexcept (int @var{excepts}) This function clears all of the supported exception flags indicated by @var{excepts}. + +The function returns zero in case the operation was successful, a +non-zero value otherwise. +@end deftypefun + +@comment fenv.h +@comment ISO +@deftypefun int feraiseexcept (int @var{excepts}) +This function raises the supported exceptions indicated by +@var{excepts}. If more than one exception bit in @var{excepts} is set +the order in which the exceptions are raised is undefined except that +overflow (@code{FE_OVERFLOW}) or underflow (@code{FE_UNDERFLOW}) are +raised before inexact (@code{FE_INEXACT}). Whether for overflow or +underflow the inexact exception is also raised is also implementation +dependent. + +The function returns zero in case the operation was successful, a +non-zero value otherwise. @end deftypefun @comment fenv.h @@ -519,19 +537,25 @@ following functions: @comment fenv.h @comment ISO -@deftypefun void fegetexceptflag (fexcept_t *@var{flagp}, int @var{excepts}) +@deftypefun int fegetexceptflag (fexcept_t *@var{flagp}, int @var{excepts}) This function stores in the variable pointed to by @var{flagp} an implementation-defined value representing the current setting of the exception flags indicated by @var{excepts}. + +The function returns zero in case the operation was successful, a +non-zero value otherwise. @end deftypefun @comment fenv.h @comment ISO -@deftypefun void fesetexceptflag (const fexcept_t *@var{flagp}, int +@deftypefun int fesetexceptflag (const fexcept_t *@var{flagp}, int @var{excepts}) This function restores the flags for the exceptions indicated by @var{excepts} to the values stored in the variable pointed to by @var{flagp}. + +The function returns zero in case the operation was successful, a +non-zero value otherwise. @end deftypefun Note that the value stored in @code{fexcept_t} bears no resemblance to @@ -736,9 +760,12 @@ To save the state of the FPU, use one of these functions: @comment fenv.h @comment ISO -@deftypefun void fegetenv (fenv_t *@var{envp}) +@deftypefun int fegetenv (fenv_t *@var{envp}) Store the floating-point environment in the variable pointed to by @var{envp}. + +The function returns zero in case the operation was successful, a +non-zero value otherwise. @end deftypefun @comment fenv.h @@ -780,19 +807,25 @@ functions: @comment fenv.h @comment ISO -@deftypefun void fesetenv (const fenv_t *@var{envp}) +@deftypefun int fesetenv (const fenv_t *@var{envp}) Set the floating-point environment to that described by @var{envp}. + +The function returns zero in case the operation was successful, a +non-zero value otherwise. @end deftypefun @comment fenv.h @comment ISO -@deftypefun void feupdateenv (const fenv_t *@var{envp}) +@deftypefun int feupdateenv (const fenv_t *@var{envp}) Like @code{fesetenv}, this function sets the floating-point environment to that described by @var{envp}. However, if any exceptions were flagged in the status word before @code{feupdateenv} was called, they remain flagged after the call. In other words, after @code{feupdateenv} is called, the status word is the bitwise OR of the previous status word and the one saved in @var{envp}. + +The function returns zero in case the operation was successful, a +non-zero value otherwise. @end deftypefun @node Arithmetic Functions diff --git a/manual/creature.texi b/manual/creature.texi index 11061f9..88478a2 100644 --- a/manual/creature.texi +++ b/manual/creature.texi @@ -196,7 +196,7 @@ This macro was introduced as part of the Large File Support extension @comment (none) @comment GNU @defvr Macro _ISOC99_SOURCE -Until the revides @w{ISO C} standard is widely adopted the new features +Until the revised @w{ISO C} standard is widely adopted the new features are not automatically enabled. The GNU libc nevertheless has a complete implementation of the new standard and to enable the new features the macro @code{_ISOC99_SOURCE} should be defined. |