Update. cvs/libc-ud-971204

1997-12-03 23:50  Ulrich Drepper  <drepper@cygnus.com>

	* Makeconfig: Add shared-thread-library variable.

	* math/Makfile (CPPFLAGS): Add -D__LIBC_INTERNAL_MATH_INLINES.
	* sysdeps/i386/Makefile: Don't define ___LIBC_INTERNAL_MATH_INLINES
	here.
	* sysdeps/m68k/fpu/e_acos.c: Likewise.
	* sysdeps/m68k/fpu/e_atan2.c: Likewise.
	* sysdeps/m68k/fpu/e_fmod.c: Likewise.
	* sysdeps/m68k/fpu/e_pow.c: Likewise.
	* sysdeps/m68k/fpu/e_scalb.c: Likewise.
	* sysdeps/m68k/fpu/k_cos.c: Likewise.
	* sysdeps/m68k/fpu/k_sin.c: Likewise.
	* sysdeps/m68k/fpu/k_tan.c: Likewise.
	* sysdeps/m68k/fpu/s_atan.c: Likewise.
	* sysdeps/m68k/fpu/s_ccos.c: Likewise.
	* sysdeps/m68k/fpu/s_ccosh.c: Likewise.
	* sysdeps/m68k/fpu/s_cexp.c: Likewise.
	* sysdeps/m68k/fpu/s_csin.c: Likewise.
	* sysdeps/m68k/fpu/s_csinh.c: Likewise.
	* sysdeps/m68k/fpu/s_frexp.c: Likewise.
	* sysdeps/m68k/fpu/s_ilogb.c: Likewise.
	* sysdeps/m68k/fpu/s_isinf.c: Likewise.
	* sysdeps/m68k/fpu/s_llrint.c: Likewise.
	* sysdeps/m68k/fpu/s_llrintf.c: Likewise.
	* sysdeps/m68k/fpu/s_llrintl.c: Likewise.
	* sysdeps/m68k/fpu/s_lrint.c: Likewise.
	* sysdeps/m68k/fpu/s_modf.c: Likewise.
	* sysdeps/m68k/fpu/s_remquo.c: Likewise.
	* sysdeps/m68k/fpu/s_scalbn.c: Likewise.
	* sysdeps/m68k/fpu/s_sincos.c: Likewise.

	* libc.map: Add __libc_current_sigrtmin, __libc_current_sigrtmax,
	__libc_allocate_rtsig, sigqueue, sigtimedwait, sigwaitinfo.
	* signal/Makefile (headers): Add bits/siginfo.h.
	(routines): Add allocrtsig, sigtimedwait, sigwaitinfo, sigqueue.
	(distribute): Add testrtsig.h.
	* signal/allocrtsig.c: New file.
	* signal/signal.h: Define `union sigval'.  Include <bits/siginfo.h>.
	Declare sigwaitinfo, sigtimedwait, sigqueue, __libc_current_sigrtmin,
	__libc_current_sigrtmax.
	* sysdeps/generic/sigqueue.c: New file.
	* sysdeps/generic/sigtimedwait.c: New file.
	* sysdeps/generic/sigwaitinfo.c: New file.
	* sysdeps/generic/testrtsig.h: New file.
	* sysdeps/generic/bits/siginfo.h: New file.
	* sysdeps/unix/sysv/linux/bits/siginfo.h: New file.
	* sysdeps/unix/sysv/linux/kernel_sigaction.h: Define struct as
	old_kernel_sigaction and rename sa_handler member to k_sa_handler.
	* sysdeps/unix/sysv/linux/rt_sigaction.c: New file.
	* sysdeps/unix/sysv/linux/rt_sigprocmask.c: New file.
	* sysdeps/unix/sysv/linux/rt_sigqueueinfo.c: New file.
	* sysdeps/unix/sysv/linux/rt_sigreturn.c: New file.
	* sysdeps/unix/sysv/linux/rt_sigsuspend.c: New file.
	* sysdeps/unix/sysv/linux/rt_sigtimedwait.c: New file.
	* sysdeps/unix/sysv/linux/sigpending.c: New file.
	* sysdeps/unix/sysv/linux/sigprocmask.c: New file.
	* sysdeps/unix/sysv/linux/sigqueue.c: New file.
	* sysdeps/unix/sysv/linux/sigreturn.c: New file.
	* sysdeps/unix/sysv/linux/sigtimedwait.c: New file.
	* sysdeps/unix/sysv/linux/sigwaitinfo.c: New file.
	* sysdeps/unix/sysv/linux/testrtsig.h: New file.
	* sysdeps/unix/sysv/linux/sigsuspend.c: Update for AIO.
	* sysdeps/unix/sysv/linux/syscalls.list: Update for AIO.
	* sysdeps/unix/sysv/linux/sigaction.c: Update for AIO.
	* sysdeps/unix/sysv/linux/bits/local_lim.h: Define AIO_PRIO_DELTA_MAX.
	* sysdeps/unix/sysv/linux/bits/posix_opt.h: Define _XOPEN_REALTIME
	and _POSIX_REALTIME_SIGNALS.
	* sysdeps/unix/sysv/linux/bits/sigaction.h: Update for AIO.
	* sysdeps/unix/sysv/linux/bits/signum.h: Define SIGRTMIN/MAX and
	update _NSIG.
	* sysdeps/unix/sysv/linux/i386/sigaction.c: Update for AIO.
	* sysdeps/unix/sysv/linux/i386/sys/ucontext.h: Linux/i386 specific
	definitions.

	* Makefile (subdirs): Add rt.
	* shlib-versions: Add entry for librt.
	* rt/Makefile: New file.
	* rt/aio.h: New file.
	* rt/aio_cancel.c: New file.
	* rt/aio_error.c: New file.
	* rt/aio_fsync.c: New file.
	* rt/aio_misc.c: New file.
	* rt/aio_misc.h: New file.
	* rt/aio_read.c: New file.
	* rt/aio_read64.c: New file.
	* rt/aio_return.c: New file.
	* rt/aio_suspend.c: New file.
	* rt/aio_write.c: New file.
	* rt/aio_write64.c: New file.
	* rt/lio_listio.c: New file.
	* rt/lio_listio64.c: New file.
	* sysdeps/generic/aio_sigqueue.c: New file.
	* sysdeps/unix/sysv/linux/aio_sigqueue.c: New file.
	* sysdeps/unix/sysv/linux/Dist: Add new files
	* sysdeps/unix/sysv/linux/Makefile [$(subdir)=signal]
	(sysdep_routines): Add rt_sigsuspend, rt_sigprocmask, rt_sigtimedwait,
	rt_sigqueueinfo, rt_sigaction.

	* posix/Makefile (headers): Add bits/environments.h.
	* posix/confstr.c: Correctly handle _CS_XBS5_ILP32_OFFBIG_CFLAGS
	and _CS_LFS_CFLAGS on 64bit platforms.
	* posix/unistd.h: Define _XOPEN_LEGACY.  Explain _XOPEN_REALTIME
	and _XOPEN_REALTIME_THREADS.  Include bits/environments.h.
	* sysdeps/generic/bits/confname.h: Define _SC_* constants for
	compilation modules.
	* sysdeps/wordsize-32/bits/environments.h: New file.
	* sysdeps/wordsize-64/bits/environments.h: New file.

	* posix/getopt.c: Remove declaration of getpid and __libc_pid.
	* posix/getopt_init.c: Test for value 0xf00baa of uninitialized
	__libc_pid.
	* sysdeps/unix/sysv/linux/init-first.c: Initialize __libc_pid to
	0xf00baa.

	* string/string.h: Add declaration of __strverscmp.
	* string/strverscmp.c: Rename function ot __strverscmp and make old
	name weak alias.

	* sysdeps/generic/dl-sysdep.c: Declare and define __libc_uid.
	* sysdeps/generic/enbl-secure.c: Likewise.
	* sysdeps/mach/hurd/dl-sysdep.c: Likewise.

	* sysdeps/unix/sysv/linux/bits/sigset.h: Pretty print.

	* sysdeps/unix/sysv/linux/sys/pci.h: New file.

1997-12-03  Ulrich Drepper  <drepper@cygnus.com>

	* posix/sys/wait.h: Use __transparent_union__ instead of
	transparent_union.  Reported by Roland McGrath.

1997-12-03  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* resolv/inet_neta.c (inet_neta): Change type of first parameter
	to u_int32_t.  Suggested by John Lavagnino <John_Lavagnino@Brown.edu>
	[PR libc/366].

	* resolv/inet_addr.c (inet_addr): Change return type to u_int32_t.

	* inet/arpa/inet.h: Change types of inet_neta and inet_addr.

1997-12-03 20:40  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* grp/initgroups.c: Increase buffer if it is too small.

1997-12-03  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/netinet/ip.h: Don't use u_int8_t for bit
	fields, this is no ISO C.  Reported by Andreas Jaeger.

1997-12-03  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sysdeps/i386/sys/ucontext.h (enum): Add missing commata.

1997-12-03 08:58  Philip Blundell  <pb@nexus.co.uk>

	* sysdeps/generic/bits/utsname.h: <sys/utsname.h> defines
	_SYS_UTSNAME_H not _UTSNAME_H.

1997-11-28  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/dl-profile.c (_dl_start_profile): Avoid overflow when
	computing s_scale.

1997-11-29  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/libm-ieee754/s_csqrt.c: Use different formula for now.
	* sysdeps/libm-ieee754/s_csqrtf.c: Likewise.
	* sysdeps/libm-ieee754/s_csqrtl.c: Likewise.

	* math/libm-test.c (csqrt_test): Add testcase.

1997-12-03 15:44  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/sys/ultrasound.h: New file.
	* sysdeps/unix/sysv/linux/sys/Dist: Add it.
	* sysdeps/unix/sysv/linux/sys/Makefile [$(subdir)=misc]: Likewise.

1997-11-30  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/sysv/linux/sys/timex.h: Fix declaration.

1997-12-01  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* math/libm-test.c (acos_test): Add more tests.
	(asin_test): Likewise.
	(atan_test): Likewise.
	(exp_test): Likewise.
	(sin_test): Likewise.
	(sqrt_test): Likewise.
	(cpow_test): Likewise.
	(csqrt_test): Likewise.
	(cexp_test): Correct typo in gcc version test.

1997-12-02 17:14  Philip Blundell  <pb@nexus.co.uk>

	* sysdeps/arm/__longjmp.S: Define _SETJMP_H before including
	<bits/setjmp.h>.
	* sysdeps/arm/setjmp.S: Likewise.

	* sysdeps/unix/sysv/linux/arm/bits/mman.h: New file.

1997-12-02 18:07  Philip Blundell  <pb@nexus.co.uk>

	* stdio/stdio.h: Add prototype for tmpfile64().

1997-12-02 17:47  Philip Blundell  <pb@nexus.co.uk>

	* stdio/stdio.h (__stdio_gen_tempname): Add extra argument to
	prototype to keep in step with libio version.

	* stdio-common/tmpfile64.c: Include <errno.h> for ENOSYS.

1997-12-02 17:41  Philip Blundell  <pb@nexus.co.uk>

	* sysdeps/generic/Makefile: Don't try to use make_siglist if
	cross-compiling.

1997-12-02 01:18  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/i386/clone.S: When cloned process returns
	load GOT ptr before jumping to _exit.
	Reported by Xavier Leroy.

2 files changed, 63 insertions, 14 deletions

diff --git a/math/Makefile b/math/Makefile
index 174170d99d..d52de78c3d 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -117,7 +117,7 @@ CPPFLAGS-s_lib_version.c := -D_POSIX_MODE
 
 # We don't want the fdlibm code to use the inline math functions,
 # only the fdlibm code.
-CPPFLAGS += -D__NO_MATH_INLINES
+CPPFLAGS += -D__NO_MATH_INLINES -D__LIBC_INTERNAL_MATH_INLINES
 
 # Using omit-long-double-fcts is only a temporary hack.
 ifneq ($(omit-long-double-fcts),yes)
diff --git a/math/libm-test.c b/math/libm-test.c
index a4b31a6929..c9b3b4d06e 100644
--- a/math/libm-test.c
+++ b/math/libm-test.c
@@ -78,12 +78,13 @@
 
 /* "Philosophy":
 
-   This suite tests the correct implementation of mathematical
-   functions in libm.  Some simple, specific parameters are tested for
-   correctness. Handling of specific inputs (e.g. infinity,
-   not-a-number) is also tested. Correct handling of exceptions is
-   checked against. These implemented tests should check all cases
-   that are specified in ISO C 9X.
+   This suite tests some aspects of the correct implementation of
+   mathematical functions in libm.  Some simple, specific parameters
+   are tested for correctness but there's no exhaustive
+   testing. Handling of specific inputs (e.g. infinity, not-a-number)
+   is also tested. Correct handling of exceptions is checked
+   against. These implemented tests should check all cases that are
+   specified in ISO C 9X.
 
    Exception testing: At the moment only divide-by-zero and invalid
    exceptions are tested. Overflow/underflow and inexact exceptions
@@ -837,9 +838,15 @@ acos_test (void)
 		   FUNC(acos) (x),
 		   INVALID_EXCEPTION);
 #endif
+  check ("acos (0) == pi/2", FUNC(acos) (0), M_PI_2);
+  check ("acos (-0) == pi/2", FUNC(acos) (minus_zero), M_PI_2);
 
   check ("acos (1) == 0", FUNC(acos) (1), 0);
   check ("acos (-1) == pi", FUNC(acos) (-1), M_PI);
+
+  check ("acos (0.5) == pi/3", FUNC(acos) (0.5), M_PI_6 * 2.0);
+  check ("acos (-0.5) == 2*pi/3", FUNC(acos) (-0.5), M_PI_6 * 4.0);
+
 }
 
 
@@ -878,9 +885,14 @@ asin_test (void)
 #endif
 
   check ("asin (0) == 0", FUNC(asin) (0), 0);
+  check ("asin (-0) == -0", FUNC(asin) (minus_zero), minus_zero);
   check_eps ("asin (0.5) ==  pi/6", FUNC(asin) (0.5), M_PI_6,
 	     CHOOSE(3.5e-18, 0, 2e-7));
+  check_eps ("asin (-0.5) ==  -pi/6", FUNC(asin) (-0.5), -M_PI_6,
+	     CHOOSE(3.5e-18, 0, 2e-7));
   check ("asin (1.0) ==  pi/2", FUNC(asin) (1.0), M_PI_2);
+  check ("asin (-1.0) ==  -pi/2", FUNC(asin) (-1.0), -M_PI_2);
+
 }
 
 
@@ -906,6 +918,10 @@ atan_test (void)
 
   check ("atan (+inf) == pi/2", FUNC(atan) (plus_infty), M_PI_2);
   check ("atan (-inf) == -pi/2", FUNC(atan) (minus_infty), -M_PI_2);
+
+  check ("atan (1) == pi/4", FUNC(atan) (1), M_PI_4);
+  check ("atan (-1) == -pi/4", FUNC(atan) (1), M_PI_4);
+
 }
 
 
@@ -1062,6 +1078,8 @@ cos_test (void)
 
   check_eps ("cos (pi/3) == 0.5", FUNC(cos) (M_PI_6 * 2.0),
 	     0.5, CHOOSE (4e-18L, 1e-15L, 1e-7L));
+  check_eps ("cos (2*pi/3) == -0.5", FUNC(cos) (M_PI_6 * 4.0),
+	     -0.5, CHOOSE (4e-18L, 1e-15L, 1e-7L));
   check_eps ("cos (pi/2) == 0", FUNC(cos) (M_PI_2),
 	     0, CHOOSE (1e-19L, 1e-16L, 1e-7L));
 
@@ -1123,6 +1141,9 @@ exp_test (void)
   check ("exp (-inf) == 0", FUNC(exp) (minus_infty), 0);
 #endif
   check_eps ("exp (1) == e", FUNC(exp) (1), M_E, CHOOSE (4e-18L, 5e-16, 0));
+
+  check ("exp (2) == e^2", FUNC(exp) (2), M_E * M_E);
+  check ("exp (3) == e^3", FUNC(exp) (3), M_E * M_E * M_E);
 }
 
 
@@ -1724,8 +1745,11 @@ sin_test (void)
 		   INVALID_EXCEPTION);
 
   check_eps ("sin (pi/6) == 0.5", FUNC(sin) (M_PI_6),
-	     0.5,CHOOSE (4e-18L, 0, 0));
+	     0.5, CHOOSE (4e-18L, 0, 0));
+  check_eps ("sin (-pi/6) == -0.5", FUNC(sin) (-M_PI_6),
+	     -0.5, CHOOSE (4e-18L, 0, 0));
   check ("sin (pi/2) == 1", FUNC(sin) (M_PI_2), 1);
+  check ("sin (-pi/2) == -1", FUNC(sin) (-M_PI_2), -1);
 }
 
 
@@ -2328,6 +2352,9 @@ sqrt_test (void)
   check_ext ("sqrt (x*x) == x", FUNC(sqrt) (x*x), x, x);
   check ("sqrt (4) == 2", FUNC(sqrt) (4), 2);
   check ("sqrt (0.25) == 0.5", FUNC(sqrt) (0.25), 0.5);
+  check ("sqrt (6642.25) == 81.5", FUNC(sqrt) (6642.25), 81.5);
+  check_eps ("sqrt (15239.903) == 123.45", FUNC(sqrt) (15239.903), 123.45,
+	     CHOOSE (3e-6L, 3e-6, 8e-6));
 
 }
 
@@ -2459,7 +2486,7 @@ cexp_test (void)
   check_isnan ("imag(cexp(0 + i inf)) = NaN plus invalid exception",
 	       __imag__ result);
 
-#if defined __GNUC__ && __GNUC__ <= 2 && __GNUC_MINOR <= 7
+#if defined __GNUC__ && __GNUC__ <= 2 && __GNUC_MINOR__ <= 7
   if (verbose)
     printf ("The following test for cexp might fail due to a gcc compiler error!\n");
 #endif
@@ -4767,9 +4794,21 @@ csqrt_test (void)
   check_isnan ("real(csqrt(NaN + i NaN)) = NaN", __real__ result);
   check_isnan ("imag(csqrt(NaN + i NaN)) = NaN", __imag__ result);
 
+  result = FUNC(csqrt) (BUILD_COMPLEX (16.0, -30.0));
+  check ("real(csqrt(16 - 30i)) = 5", __real__ result, 5.0);
+  check ("imag(csqrt(16 - 30i)) = -3", __imag__ result, -3.0);
+
   result = FUNC(csqrt) (BUILD_COMPLEX (-1, 0));
   check ("real(csqrt(1 + i0) = 0", __real__ result, 0);
   check ("imag(csqrt(1 + i0) = 1", __imag__ result, 1);
+
+  result = FUNC(csqrt) (BUILD_COMPLEX (0, 2));
+  check ("real(csqrt(0 + i 2) = 1", __real__ result, 1);
+  check ("imag(csqrt(0 + i 2) = 1", __imag__ result, 1);
+
+  result = FUNC(csqrt) (BUILD_COMPLEX (119, 120));
+  check ("real(csqrt(119 + i 120) = 12", __real__ result, 12);
+  check ("imag(csqrt(119 + i 120) = 5", __imag__ result, 5);
 }
 
 
@@ -4779,14 +4818,24 @@ cpow_test (void)
   __complex__ MATHTYPE result;
 
   result = FUNC (cpow) (BUILD_COMPLEX (1, 0), BUILD_COMPLEX (0, 0));
-  check ("real(cpow (1 + i0), (0 + i0)) = 0", __real__ result, 1);
-  check ("imag(cpow (1 + i0), (0 + i0)) = 0", __imag__ result, 0);
+  check ("real(cpow (1 + i0), (0 + i0)) == 0", __real__ result, 1);
+  check ("imag(cpow (1 + i0), (0 + i0)) == 0", __imag__ result, 0);
 
   result = FUNC (cpow) (BUILD_COMPLEX (2, 0), BUILD_COMPLEX (10, 0));
-  check_eps ("real(cpow (2 + i0), (10 + i0)) = 1024", __real__ result, 1024,
+  check_eps ("real(cpow (2 + i0), (10 + i0)) == 1024", __real__ result, 1024,
 	     CHOOSE (2e-16L, 0, 0));
-  check ("imag(cpow (2 + i0), (10 + i0)) = 0", __imag__ result, 0);
-
+  check ("imag(cpow (2 + i0), (10 + i0)) == 0", __imag__ result, 0);
+
+  result = FUNC (cpow) (BUILD_COMPLEX (M_E, 0), BUILD_COMPLEX (0, 2*M_PI));
+  check ("real(cpow (e + i0), (0 + i 2*PI)) == 1", __real__ result, 1);
+  check_eps ("imag(cpow (e + i0), (0 + i 2*PI)) == 0", __imag__ result, 0,
+	     CHOOSE (1e-18L, 3e-16, 4e-7));
+
+  result = FUNC (cpow) (BUILD_COMPLEX (2, 3), BUILD_COMPLEX (4, 0));
+  check_eps ("real(cpow (2 + i3), (4 + i0)) == -119", __real__ result, -119,
+	     CHOOSE (2e-17L, 2e-14, 4e-5));
+  check_eps ("imag(cpow (2 + i3), (4 + i0)) == -120", __imag__ result, -120,
+	     CHOOSE (4e-17L, 0, 8e-6));
 }