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>

1 files changed, 39 insertions, 6 deletions

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