Update. cvs/libc-ud-970619 cvs/libc-970620

1997-06-19 19:38  Ulrich Drepper  <drepper@cygnus.com>

	* features.h: Define __STDC_IEC_559__ and _STDC_IEC_559_COMPLEX__.

	* elf/dl-minimal.c (__dcgettext): Remove assertion.

	* inet/rcmd.c: Correct a few typos.  Reported by Eric Troan.

	* manual/Makefile (distribute): Add dir.
	* manual/dir: New file.

	* math/Makefile (libm-support): Rename s_rinttol, s_rinttoll,
	s_roundtol, and s_roundtoll to s_lrint, s_llrint, s_lround,
	and s_llround respectively.
	(libm-calls): Add e_gamma_r.
	* math/libm-test.c (check_int_exc): New function.
	(signbit_test): Remove test for sign of NaN.
	(gamma_test): Clear exception after test of existence.
	Correct tests and and epsilons.
	(lgamma_test): Likewise.
	(ilogb_test): Correct all tests.
	(scalb_test): Rewrite.
	(rinttol_test): Rename to lrint_test and correct tests.
	(rinttoll_test): Likewise.
	(roundtol_test): Likewise.
	(roundtoll_test): Likewise.
	(main): Call lrint/lround functions instead of rinttol/roundtol.
	* math/math.h: Change prototypes for rinttol/roundtol.
	* math/mathcalls.h: Rearrange prototypes according to ISO C9X draft.
	* sysdeps/generic/mathbits.h: Define FP_ILOGB0 and FP_ILOGBNAN.
	* sysdeps/i386/mathbits.h: Likewise.
	* sysdeps/libm-i387/e_scalb.S: Handle special cases correctly.
	* sysdeps/libm-i387/e_scalbf.S: Likewise.
	* sysdeps/libm-i387/e_scalbl.S: Likewise.
	* sysdeps/libm-i387/s_asinh.S: Handle -inf correctly.
	* sysdeps/libm-i387/s_asinhf.S: Likewise.
	* sysdeps/libm-i387/s_asinhl.S: Likewise.
	* sysdeps/libm-i387/s_ilogb.S: Optimize.
	* sysdeps/libm-i387/s_ilogbf.S: Likewise.
	* sysdeps/libm-i387/s_ilogbl.S: Likewise.
	* sysdeps/libm-i387/s_rinttol.S: Rename to...
	* sysdeps/libm-i387/s_lrint.S: ...this.
	* sysdeps/libm-i387/s_rinttoll.S: Rename to...
	* sysdeps/libm-i387/s_llrint.S: ...this.
	* sysdeps/libm-i387/s_remquo.S: Correctly set sign of remainder.
	* sysdeps/libm-i387/s_remquof.S: Likewise.
	* sysdeps/libm-i387/s_remquol.S: Likewise.
	* sysdeps/libm-i387/e_gamma_r.c: New file.  Implementation of gamma
	function according to ISO C.
	* sysdeps/libm-i387/e_gammaf_r.c: New file.
	* sysdeps/libm-i387/e_gammal_r.c: New file.
	* sysdeps/libm-i387/e_lgamma_r.c: Don't let optimize compile the
	generation of exceptions away.
	* sysdeps/libm-i387/e_lgammaf_r.c: Likewise.
	* sysdeps/libm-i387/k_standard.c: Correct return value for infinity
	points of gamma function when not SVID mode.
	* sysdeps/libm-i387/s_rinttoll.c: Renamed to...
	* sysdeps/libm-i387/s_llrint.c: ...this.
	* sysdeps/libm-i387/s_rinttol.c: Renamed to...
	* sysdeps/libm-i387/s_lrint.c: ...this.
	* sysdeps/libm-i387/s_roundtoll.c: Renamed to...
	* sysdeps/libm-i387/s_llround.c: ...this.
	* sysdeps/libm-i387/s_roundtol.c: Renamed to...
	* sysdeps/libm-i387/s_lround.c: ..this.
	* sysdeps/libm-i387/s_scalbn.c: Change second parameter according to
	ISO C.
	* sysdeps/libm-i387/s_scalbnf.c: Likewise.
	* sysdeps/libm-i387/s_scalbnl.c: Likewise.
	* sysdeps/libm-i387/w_gamma.c: Call __ieee754_gamma_r if library
	mode is not _SVID_.
	* sysdeps/libm-i387/w_gammaf.c: Likewise.
	* sysdeps/libm-i387/w_gammal.c: Likewise.
	* sysdeps/m68k/fpu/__math.h: Rename __rinttol to __lrint and
	rinttol to lrint.
	* sysdeps/m68k/fpu/s_rinttol.c: Renamed to...
	* sysdeps/m68k/fpu/s_lrint.c: ...this.
	* sysdeps/m68k/fpu/s_rinttoll.c: Renamed to...
	* sysdeps/m68k/fpu/s_llrint.c: ...this.

	* md5-crypt/Makefile: Link md5test program with md5.o.

	* stdio-common/temptest.c: Don't use __stdio_gen_tempname which
	is not exported by the libc.so.

	* stdio-common/vfscanf.c: Correct scanning of strings after last
	change.

	* sysdeps/unix/sysv/linux/i386/sysdep.S: Use .comm to define errno.

1997-06-19 07:37  H.J. Lu  <hjl@gnu.ai.mit.edu>

	* time/tzfile.c (__tzfile_read): Store getc () return in int.

1997-06-13  Miles Bader  <miles@gnu.ai.mit.edu>

	* argp/argp-parse.c (argp_version_parser): Include `(PROGRAM ERROR)' in
	the no-version error text to indicate that something's fucked.
	[!_] (N_): New macro.
	(argp_default_options, argp_version_options): Wrap doc strings in N_().

1997-06-12  Miles Bader  <miles@gnu.ai.mit.edu>

	* argp/argp-parse.c (parser_parse_opt): Detect and report unhandled
	options here.
	(parser_parse_arg): Handle ARGP_KEY_ARGS here.
	Adjust NEXT pointer back if we fail to parse anything.
	(parser_parse_next): Simplify arg code.  Leave state NEXT frobbing
	to parser_parse_arg.

1997-06-11  Miles Bader  <miles@gnu.ai.mit.edu>

	* argp/argp.h (ARGP_KEY_ARGS, ARGP_KEY_FINI): New macros.
	* argp/argp-parse.c (parser_finalize): Do another pass over the
	parsers with ARGP_KEY_FINI.

1997-06-18  Miles Bader  <miles@gnu.ai.mit.edu>

	* string/Makefile (routines): Add argz-replace.

1997-06-16 00:16  Miles Bader  <miles@gnu.ai.mit.edu>

	* manual/string.texi (Argz Functions): Document argz_replace.

1997-06-12  Miles Bader  <miles@gnu.ai.mit.edu>

	* string/argz.h (__argz_replace, argz_replace): New declarations.
	* string/argz-replace.c: New file.

1997-06-11  Miles Bader  <miles@gnu.ai.mit.edu>

	* manual/argp.texi (Argp Special Keys): Document ARGP_KEY_ARGS.

1997-06-16 23:08  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makeconfig (libc-map): Remove definition.
	* Makerules (libc-map): Define it here, using the full name.
	(load-map-file): Remove case for empty $(..).
	($(common-objpfx)libc.so): Revert last change.

1997-06-17 22:18  Mark Kettenis  <kettenis@phys.uva.nl>

	* login/programs/utmpd.c (main): Improve signal handling.

	* login/programs/request.c (do_setutent, do_updwtmp):
	Allow arbitrary length filenames.
	* login/programs/utmpd.h (setutent_request, updwtmp_request):
	Get rid of fixed length file field.
	* login/utmp_daemon.c (do_setutent, do_updwtmp):
	Allow arbitrary	length filenames.

	* login/programs/request.c (do_pututline):
	Don't fail if connection->position is -1 on entry.

1997-06-15 16:32  Mark Kettenis  <kettenis@phys.uva.nl>

	* login/utmp_file.c (updwtmp_file): Use the same method for
	appending an entry as in pututline_file.

1997-06-11 18:59  Mark Kettenis  <kettenis@phys.uva.nl>

	* login/utmp_file.c (getutent_r_file):
	Use read lock instead of write lock.
	(getutline_r_file, internal_getut_r): Lock utmp file.
	(updwtmp_file): Use fcntl to lock file instead of flock.

1997-06-18 00:11  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* stdio-common/vfscanf.c (inchar, ungetc): Don't count EOF as
	character read in/put back.
	* stdio-common/tstscanf.c: Add test case for this.

1997-06-17 22:17  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* libc.map: Add more symbols.

1997-06-18 12:01  Ulrich Drepper  <drepper@cygnus.com>

	* manual/Makefile (install): Make sure `dir' file exists if we use
	install-info.

1997-06-17 19:32  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* manual/Makefile (info): Depend on dir-add.info.

1997-06-17 17:19  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/ldd.bash.in: Fix spacing in message.

1997-06-17 14:28  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/do-rel.h (elf_dynamic_do_rel): Always use version
	information if available.

1997-06-17 11:34  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sunrpc/Makefile ($(rpcsvc:%.x=$(objpfx)rpcsvc/%.h)): Make
	command non-empty to force make to recheck modification time.
	($(rpcsvc:%.x=$(objpfx)x%.c)): Likewise.

1997-06-17 00:26  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/stub/e_acoshl.c: Set errno to ENOSYS.
	* sysdeps/stub/e_acosl.c: Likewise.
	* sysdeps/stub/e_asinl.c: Likewise.
	* sysdeps/stub/e_atan2l.c: Likewise.
	* sysdeps/stub/e_expl.c: Likewise.
	* sysdeps/stub/e_fmodl.c: Likewise.
	* sysdeps/stub/e_j0l.c: Likewise.
	* sysdeps/stub/e_j1l.c: Likewise.
	* sysdeps/stub/e_jnl.c: Likewise.
	* sysdeps/stub/e_lgammal_r.c: Likewise.
	* sysdeps/stub/e_log10l.c: Likewise.
	* sysdeps/stub/e_logl.c: Likewise.
	* sysdeps/stub/e_powl.c: Likewise.
	* sysdeps/stub/e_rem_pio2l.c: Likewise.
	* sysdeps/stub/e_sqrtl.c: Likewise.
	* sysdeps/stub/k_cosl.c: Likewise.
	* sysdeps/stub/k_rem_pio2l.c: Likewise.
	* sysdeps/stub/k_sinl.c: Likewise.
	* sysdeps/stub/k_tanl.c: Likewise.
	* sysdeps/stub/s_atanl.c: Likewise.
	* sysdeps/stub/s_erfl.c: Likewise.
	* sysdeps/stub/s_exp2.c: Likewise.
	* sysdeps/stub/s_exp2f.c: Likewise.
	* sysdeps/stub/s_exp2l.c: Likewise.
	* sysdeps/stub/s_expm1l.c: Likewise.
	* sysdeps/stub/s_log1pl.c: Likewise.
	* sysdeps/stub/s_log2l.c: Likewise.

1997-06-18 11:46  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/libm-ieee754/w_gamma.c: If _LIB_VERSION is _SVID_ compute
	result as before last change.
	* sysdeps/libm-ieee754/w_gammaf.c: Likewise.
	* sysdeps/libm-ieee754/w_gammal.c: Likewise.

1997-06-16 23:37  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/libm-ieee754/s_remquo.c: Fix off-by-one when computing
	quotient.
	* sysdeps/libm-ieee754/s_remquof.c: Likewise.
	* sysdeps/libm-ieee754/s_remquol.c: Likewise.

	* sysdeps/m68k/fpu/s_remquo.c: Remove FIXME and special case for
	quotient.

	* sysdeps/libm-ieee754/w_gamma.c: Add missing call to exp
	function.  Don't use global signgam.
	* sysdeps/libm-ieee754/w_gammaf.c: Likewise.
	* sysdeps/libm-ieee754/w_gammal.c: Likewise.

	* math/Makefile (libm-calls): Remove w_gamma_r.
	* sysdeps/libm-ieee754/w_gamma_r.c: Remove file.
	* sysdeps/libm-ieee754/w_gammaf_r.c: Remove file.
	* sysdeps/libm-ieee754/w_gammal_r.c: Remove file.

	* math/libm-test.c (atanh_test): Declare x only if needed.
	(signbit_test): Fix typo.
	(gamma_test): Check whether function is implemented.  Add
	epsilons.
	(lgamma_test): Likewise.
	(fmod_test): Add epsilons.
	(exp2_test): Use right function for existence test.

1997-06-07 09:20  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/powerpc/Dist: Add fenv_const.c.
	* sysdeps/unix/sysv/linux/Dist: Add net/if_slip.h.
	* sysdeps/unix/sysv/linux/powerpc/Dist: Add init-first.h and
	syscall.h.
	* sysdeps/unix/sysv/linux/sparc/Dist: Add init-first.h.
	* string/Makefile (distribute): Add tst-svc.expect.
	* nis/Makefile (distribute): Add nis_intern.h and Banner.
	* elf/Makefile (distribute): Add dl-hash.h.
	* Rules (subdir_echo-distinfo): Add headers from $(distribute).

	* login/Makefile (others): Add utmpdump.
	* sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Add
	net/if_slip.h.

	* manual/Makefile (dir-add.texi): Also look in indirectly included
	files.

1997-06-16 23:15  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/sysv/linux/configure.in: Remove commands to
	generate stdio_lim.h.
	* sysdeps/unix/sysv/linux/mk-stdiolim.c: Remove.
	* sysdeps/unix/sysv/linux/Makefile: Add rules to generate
	stdio_lim.h here.
	(common-generated): Add generated files.
	(inhibit-stdio_lim): Define.
	* sysdeps/posix/Makefile [$(inhibit-stdio_lim)=yes]: Disable rules
	to generate stdio_lim.h.

	* sysdeps/unix/sysv/linux/Makefile: Suppress inclusion of
	dependecy files if no_deps is set.
	($(objpfx)syscall-%.d): Add header file as target to dependency
	generation.

1997-06-14 19:19  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/sysv/linux/arm/Dist: New file.

1997-06-14 17:59  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* extra-lib.mk (others): Depend on versioned shared library, not
	the unversioned one.
	* Makerules (build-shlib): Don't make the version link here.
	($(common-objpfx)libc.so$(libc.so-version)): New rule for libc
	version link.

1997-06-16 03:07  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/libm-ieee754/k_standard.c: Undo change of Tue Aug 6
	01:13:56 1996.

	* argp/argp-help.c (argp_args_usage): Supply correct argp to
	filter_doc.
	* argp/argp-help.c (hol_add_cluster): Initialize CL->depth.
	* argp/argp-help.c (_help): Supply STATE to argp_args_usage.
	* argp/argp.h (ARGP_KEY_HELP_ARGS_DOC): New macro.
	* argp/argp-fmtstream.c: Add casts to prevent warnings.
	* argp/argp.h (OPTION_NO_USAGE): New macro.
	* argp/argp-help.c (usage_long_opt, usage_argful_short_opt,
	* argp/argp-fmtstream.c (__argp_fmtstream_update): Account for case
	* argp/argp-help.c <stddef.h>: New include.
	* argp/argp.h (argp_state_help, __argp_state_help, argp_usage,
	* argp/argp.h (argp_program_bug_address): Make const.
	* argp/argp-parse.c (argp_default_parser): Set STATE->name for OPT_PROGNAME.
	* argp/argp-help.c (__argp_error, __argp_failure, __argp_state_help):
	* argp/argp-parse.c (parser_init): Set PARSER->state.flags.

1 files changed, 187 insertions, 100 deletions

diff --git a/math/libm-test.c b/math/libm-test.c
index be7538350b..5bf968f844 100644
--- a/math/libm-test.c
+++ b/math/libm-test.c
@@ -47,8 +47,8 @@
    ilogb, isfinite, isinf, isnan, isnormal,
    ldexp, lgamma, log, log10, log1p, log2, logb,
    modf, nearbyint, nextafter,
-   pow, remainder, remquo, rint, rinttol, rinttoll,
-   round, roundtol, roundtoll,
+   pow, remainder, remquo, rint, lrint, llrint,
+   round, lround, llround,
    scalb, scalbn, signbit, sin, sincos, sinh, sqrt, tan, tanh, trunc
 
    and for the following complex math functions:
@@ -593,6 +593,35 @@ check_int (const char *test_name, int computed, int expected)
   fpstack_test (test_name);
 }
 
+static void
+check_int_exc (const char *test_name, int computed, int expected,
+	       short exception)
+{
+  int diff = computed - expected;
+  int result = diff == 0;
+
+  output_new_test (test_name);
+  test_exceptions (test_name, exception);
+
+  if (result)
+    {
+      output_pass_value ();
+    }
+  else
+    {
+      output_fail_value (test_name);
+      if (verbose > 1)
+	{
+	  printf ("Result:\n");
+	  printf (" is:         %d\n", computed);
+	  printf (" should be:  %d\n", expected);
+	}
+      noErrors++;
+    }
+
+  fpstack_test (test_name);
+}
+
 
 /*
   check that computed and expected values are equal (long int values)
@@ -953,7 +982,9 @@ atan2_test (void)
 static void
 atanh_test (void)
 {
+#ifndef TEST_INLINE
   MATHTYPE x;
+#endif
 
   check ("atanh(+0) == +0", FUNC(atanh) (0), 0);
 #ifndef TEST_INLINE
@@ -1089,7 +1120,7 @@ static void
 exp2_test (void)
 {
   errno = 0;
-  exp2(0);
+  FUNC(exp2) (0);
   if (errno == ENOSYS)
     /* Function not implemented.  */
     return;
@@ -1257,7 +1288,6 @@ signbit_test (void)
   check_bool ("signbit (-0) != 0", signbit (minus_zero));
   check_bool ("signbit (+inf) == 0", signbit (plus_infty) == 0);
   check_bool ("signbit (-inf) != 0", signbit (minus_infty));
-  check_bool ("signbit (NaN) == 0", signbit (nan_value));
 
   x = random_less (0);
   check_bool ("signbit (x) != 0 for x < 0", signbit (x));
@@ -1272,21 +1302,26 @@ signbit_test (void)
 static void
 gamma_test (void)
 {
-  MATHTYPE x;
+  errno = 0;
+  FUNC(gamma) (0);
+  if (errno == ENOSYS)
+    /* Function not implemented.  */
+    return;
+  feclearexcept (FE_ALL_EXCEPT);
 
   check_isinfp ("gamma (+inf) == +inf", FUNC(gamma) (plus_infty));
   check_isnan_exc ("gamma (0) == NaN plus invalid exception",
                     FUNC(gamma) (0), INVALID_EXCEPTION);
 
-  x = random_less (0.0);
-  check_isnan_exc_ext ("gamma (x) == NaN plus invalid exception for x <= 0",
-                        FUNC(gamma) (x), INVALID_EXCEPTION, x);
+  check_isnan_exc_ext ("gamma (x) == NaN plus invalid exception for integer x <= 0",
+                        FUNC(gamma) (-2), INVALID_EXCEPTION, -2);
   check_isnan_exc ("gamma (-inf) == NaN plus invalid exception",
                    FUNC(gamma) (minus_infty), INVALID_EXCEPTION);
 
-  check ("gamma (0.5) == sqrt(pi)", FUNC(gamma) (0.5), FUNC(sqrt) (M_PI));
-  check ("gamma (-0.5) == -2*sqrt(pi)", FUNC(gamma) (-0.5),
-         -2*FUNC(sqrt) (M_PI));
+  check_eps ("gamma (0.5) == sqrt(pi)", FUNC(gamma) (0.5), FUNC(sqrt) (M_PI),
+	     CHOOSE (0, 5e-16, 2e-7));
+  check_eps ("gamma (-0.5) == -2*sqrt(pi)", FUNC(gamma) (-0.5),
+	     -2*FUNC(sqrt) (M_PI), CHOOSE (0, 5e-16, 3e-7));
 
   check ("gamma (1) == 1", FUNC(gamma) (1), 1);
   check ("gamma (4) == 6", FUNC(gamma) (4), 6);
@@ -1297,15 +1332,19 @@ gamma_test (void)
 static void
 lgamma_test (void)
 {
-  MATHTYPE x;
+  errno = 0;
+  FUNC(lgamma) (0);
+  if (errno == ENOSYS)
+    /* Function not implemented.  */
+    return;
+  feclearexcept (FE_ALL_EXCEPT);
 
   check_isinfp ("lgamma (+inf) == +inf", FUNC(lgamma) (plus_infty));
-  check_isnan_exc ("lgamma (0) == +inf plus divide by zero exception",
-                   FUNC(lgamma) (0), DIVIDE_BY_ZERO_EXCEPTION);
+  check_isinfp_exc ("lgamma (0) == +inf plus divide by zero exception",
+		    FUNC(lgamma) (0), DIVIDE_BY_ZERO_EXCEPTION);
 
-  x = random_less (0.0);
-  check_isnan_exc_ext ("lgamma (x) == +inf plus divide by zero exception for x <= 0",
-                       FUNC(lgamma) (x), DIVIDE_BY_ZERO_EXCEPTION, x);
+  check_isinfp_exc ("lgamma (x) == +inf plus divide by zero exception for integer x <= 0",
+		    FUNC(lgamma) (-3), DIVIDE_BY_ZERO_EXCEPTION);
   check_isnan_exc ("lgamma (-inf) == NaN plus invalid exception",
                    FUNC(lgamma) (minus_infty), INVALID_EXCEPTION);
 
@@ -1331,23 +1370,15 @@ static void
 ilogb_test (void)
 {
 
-  /* XXX Are these tests correct? I couldn't find any specification */
-#if 0
-  /* the source suggests that the following calls should fail -
-     but shall we test these special cases or just ignore them? */
-  check_isinfp ("ilogb (+inf) == +inf", FUNC(ilogb) (plus_infty));
-  check_isinfp ("ilogb (-inf) == +inf", FUNC(ilogb) (minus_infty));
-
-  check_isinfn_exc ("ilogb (+0) == -inf plus divide-by-zero exception",
-		    FUNC(ilogb) (0), DIVIDE_BY_ZERO_EXCEPTION);
+  check_int ("ilogb (1) == 0", FUNC(ilogb) (1), 0);
+  check_int ("ilogb (e) == 1", FUNC(ilogb) (M_E), 1);
+  check_int ("ilogb (1024) == 10", FUNC(ilogb) (1024), 10);
+  check_int ("ilogb (-2000) == 10", FUNC(ilogb) (-2000), 10);
 
-  check_isinfn_exc ("ilogb (-0) == -inf plus divide-by-zero exception",
-		    FUNC(ilogb) (minus_zero), DIVIDE_BY_ZERO_EXCEPTION);
-#endif
-  check ("ilogb (1) == 0", FUNC(ilogb) (1), 0);
-  check ("ilogb (e) == 1", FUNC(ilogb) (M_E), 1);
-  check ("ilogb (1024) == 10", FUNC(ilogb) (1024), 10);
-  check ("ilogb (-2000) == 10", FUNC(ilogb) (-2000), 10);
+  check_int_exc ("ilogb (0) == FP_ILOGB0", FUNC(ilogb) (0.0), FP_ILOGB0,
+		 DIVIDE_BY_ZERO_EXCEPTION|INVALID_EXCEPTION);
+  check_int_exc ("ilogb (NaN) == FP_ILOGBNAN", FUNC(ilogb) (nan_value),
+		 FP_ILOGBNAN, INVALID_EXCEPTION);
 
 }
 
@@ -1526,17 +1557,72 @@ scalb_test (void)
 {
   MATHTYPE x;
 
-  check ("scalb (0, 0) == 0", FUNC(scalb) (0, 0), 0);
+  check_isnan ("scalb (2, 0.5) == NaN", FUNC(scalb) (2, 0.5));
+  check_isnan ("scalb (3, -2.5) == NaN", FUNC(scalb) (3, -2.5));
+
+  check_isnan ("scalb (0, NaN) == NaN", FUNC(scalb) (0, nan_value));
+  check_isnan ("scalb (1, NaN) == NaN", FUNC(scalb) (1, nan_value));
+
+  x = random_greater (0.0);
+  check ("scalb (x, 0) == 0", FUNC(scalb) (x, 0), x);
+  x = random_greater (0.0);
+  check ("scalb (-x, 0) == 0", FUNC(scalb) (-x, 0), -x);
+
+  check_isnan_exc ("scalb (+0, +inf) == NaN plus invalid exception",
+		   FUNC(scalb) (0, plus_infty), INVALID_EXCEPTION);
+  check_isnan_exc ("scalb (-0, +inf) == NaN plus invalid exception",
+		   FUNC(scalb) (minus_zero, plus_infty), INVALID_EXCEPTION);
+
+  check ("scalb (+0, 2) == +0", FUNC(scalb) (0, 2), 0);
+  check ("scalb (-0, 4) == -0", FUNC(scalb) (minus_zero, -4), minus_zero);
+  check ("scalb (+0, 0) == +0", FUNC(scalb) (0, 0), 0);
+  check ("scalb (-0, 0) == -0", FUNC(scalb) (minus_zero, 0), minus_zero);
+  check ("scalb (+0, -1) == +0", FUNC(scalb) (0, -1), 0);
+  check ("scalb (-0, -10) == -0", FUNC(scalb) (minus_zero, -10), minus_zero);
+  check ("scalb (+0, -inf) == +0", FUNC(scalb) (0, minus_infty), 0);
+  check ("scalb (-0, -inf) == -0", FUNC(scalb) (minus_zero, minus_infty),
+	 minus_zero);
+
+  check_isinfp ("scalb (+inf, -1) == +inf", FUNC(scalb) (plus_infty, -1));
+  check_isinfn ("scalb (-inf, -10) == -inf", FUNC(scalb) (minus_infty, -10));
+  check_isinfp ("scalb (+inf, 0) == +inf", FUNC(scalb) (plus_infty, 0));
+  check_isinfn ("scalb (-inf, 0) == -inf", FUNC(scalb) (minus_infty, 0));
+  check_isinfp ("scalb (+inf, 2) == +inf", FUNC(scalb) (plus_infty, 2));
+  check_isinfn ("scalb (-inf, 100) == -inf", FUNC(scalb) (minus_infty, 100));
+
+  check ("scalb (0, -inf) == 0", FUNC(scalb) (0.0, minus_infty), 0.0);
+  check ("scalb (-0, -inf) == -0", FUNC(scalb) (minus_zero, minus_infty),
+	 minus_zero);
+  x = random_greater (0.0);
+  check ("scalb (x, -inf) == 0", FUNC(scalb) (x, minus_infty), 0.0);
+  check ("scalb (-x, -inf) == -0", FUNC(scalb) (-x, minus_infty), minus_zero);
+
+  x = random_greater (0.0);
+  check_isinfp ("scalb (x, +inf) == +inf", FUNC(scalb) (x, plus_infty));
+  x = random_greater (0.0);
+  check_isinfn ("scalb (-x, +inf) == -inf", FUNC(scalb) (-x, plus_infty));
+  check_isinfp ("scalb (+inf, +inf) == +inf",
+		FUNC(scalb) (plus_infty, plus_infty));
+  check_isinfn ("scalb (-inf, +inf) == -inf",
+		FUNC(scalb) (minus_infty, plus_infty));
+
+  check_isnan ("scalb (+inf, -inf) == NaN",
+	       FUNC(scalb) (plus_infty, minus_infty));
+  check_isnan ("scalb (-inf, -inf) == NaN",
+	       FUNC(scalb) (minus_infty, minus_infty));
 
-  check_isinfp ("scalb (+inf, 1) == +inf", FUNC(scalb) (plus_infty, 1));
-  check_isinfn ("scalb (-inf, 1) == -inf", FUNC(scalb) (minus_infty, 1));
   check_isnan ("scalb (NaN, 1) == NaN", FUNC(scalb) (nan_value, 1));
+  check_isnan ("scalb (1, NaN) == NaN", FUNC(scalb) (1, nan_value));
+  check_isnan ("scalb (NaN, 0) == NaN", FUNC(scalb) (nan_value, 0));
+  check_isnan ("scalb (0, NaN) == NaN", FUNC(scalb) (0, nan_value));
+  check_isnan ("scalb (NaN, +inf) == NaN",
+	       FUNC(scalb) (nan_value, plus_infty));
+  check_isnan ("scalb (+inf, NaN) == NaN",
+	       FUNC(scalb) (plus_infty, nan_value));
+  check_isnan ("scalb (NaN, NaN) == NaN", FUNC(scalb) (nan_value, nan_value));
 
   check ("scalb (0.8, 4) == 12.8", FUNC(scalb) (0.8L, 4), 12.8L);
   check ("scalb (-0.854375, 5) == -27.34", FUNC(scalb) (-0.854375L, 5), -27.34L);
-
-  x = random_greater (0.0);
-  check_ext ("scalb (x, 0) == x", FUNC(scalb) (x, 0L), x, x);
 }
 
 
@@ -1630,14 +1716,15 @@ sincos_test (void)
   check ("sincos (pi/2, &sin, &cos) puts 1 in sin", sin_res, 1);
   fesetenv (&fenv);
   check_eps ("sincos (pi/2, &sin, &cos) puts 0 in cos", cos_res, 0,
-             CHOOSE(0, 1e-16, 1e-7));
+	     CHOOSE (1e-18L, 1e-16, 1e-7));
 
   FUNC(sincos) (M_PI / 6.0, &sin_res, &cos_res);
-  check ("sincos (pi/6, &sin, &cos) puts 0.5 in sin", sin_res, 0.5);
+  check_eps ("sincos (pi/6, &sin, &cos) puts 0.5 in sin", sin_res, 0.5,
+	     CHOOSE (5e-18L, 0, 0));
 
   FUNC(sincos) (M_PI / 3.0, &sin_res, &cos_res);
   check_eps ("sincos (pi/3, &sin, &cos) puts 0.5 in cos", cos_res, 0.5,
-             CHOOSE(0, 1e-15, 1e-7));
+	     CHOOSE (5e-18L, 1e-15, 1e-7));
 
 
 }
@@ -2045,13 +2132,13 @@ fmod_test (void)
              FUNC(fmod) (x, minus_infty), x, x);
 
   check_eps ("fmod (6.5, 2.3) == 1.9", FUNC(fmod) (6.5, 2.3), 1.9,
-             CHOOSE(0, 1e-15, 0));
+             CHOOSE(5e-16, 1e-15, 2e-7));
   check_eps ("fmod (-6.5, 2.3) == -1.9", FUNC(fmod) (-6.5, 2.3), -1.9,
-             CHOOSE(0, 1e-15, 0));
+             CHOOSE(5e-16, 1e-15, 2e-7));
   check_eps ("fmod (6.5, -2.3) == 1.9", FUNC(fmod) (6.5, -2.3), 1.9,
-             CHOOSE(0, 1e-15, 0));
+             CHOOSE(5e-16, 1e-15, 2e-7));
   check_eps ("fmod (-6.5, -2.3) == -1.9", FUNC(fmod) (-6.5, -2.3), -1.9,
-             CHOOSE(0, 1e-15, 0));
+             CHOOSE(5e-16, 1e-15, 2e-7));
 
 
 }
@@ -4355,44 +4442,44 @@ rint_test (void)
 
 
 static void
-rinttol_test (void)
+lrint_test (void)
 {
   /* XXX this test is incomplete.  We need to have a way to specifiy
      the rounding method and test the critical cases.  So far, only
      unproblematic numbers are tested.  */
 
-  check_long ("rinttol(0) = 0", rinttol (0.0), 0);
-  check_long ("rinttol(-0) = 0", rinttol (minus_zero), 0);
-  check_long ("rinttol(0.2) = 0", rinttol (0.2), 0);
-  check_long ("rinttol(-0.2) = 0", rinttol (-0.2), 0);
+  check_long ("lrint(0) = 0", lrint (0.0), 0);
+  check_long ("lrint(-0) = 0", lrint (minus_zero), 0);
+  check_long ("lrint(0.2) = 0", lrint (0.2), 0);
+  check_long ("lrint(-0.2) = 0", lrint (-0.2), 0);
 
-  check_long ("rinttol(1.4) = 1", rinttol (1.4), 1);
-  check_long ("rinttol(-1.4) = -1", rinttol (-1.4), -1);
+  check_long ("lrint(1.4) = 1", lrint (1.4), 1);
+  check_long ("lrint(-1.4) = -1", lrint (-1.4), -1);
 
-  check_long ("rinttol(8388600.3) = 8388600", rinttol (8388600.3), 8388600);
-  check_long ("rinttol(-8388600.3) = -8388600", rinttol (-8388600.3),
+  check_long ("lrint(8388600.3) = 8388600", lrint (8388600.3), 8388600);
+  check_long ("lrint(-8388600.3) = -8388600", lrint (-8388600.3),
 	      -8388600);
 }
 
 
 static void
-rinttoll_test (void)
+llrint_test (void)
 {
   /* XXX this test is incomplete.  We need to have a way to specifiy
      the rounding method and test the critical cases.  So far, only
      unproblematic numbers are tested.  */
 
-  check_longlong ("rinttoll(0) = 0", rinttoll (0.0), 0);
-  check_longlong ("rinttoll(-0) = 0", rinttoll (minus_zero), 0);
-  check_longlong ("rinttoll(0.2) = 0", rinttoll (0.2), 0);
-  check_longlong ("rinttoll(-0.2) = 0", rinttoll (-0.2), 0);
+  check_longlong ("llrint(0) = 0", llrint (0.0), 0);
+  check_longlong ("llrint(-0) = 0", llrint (minus_zero), 0);
+  check_longlong ("llrint(0.2) = 0", llrint (0.2), 0);
+  check_longlong ("llrint(-0.2) = 0", llrint (-0.2), 0);
 
-  check_longlong ("rinttoll(1.4) = 1", rinttoll (1.4), 1);
-  check_longlong ("rinttoll(-1.4) = -1", rinttoll (-1.4), -1);
+  check_longlong ("llrint(1.4) = 1", llrint (1.4), 1);
+  check_longlong ("llrint(-1.4) = -1", llrint (-1.4), -1);
 
-  check_longlong ("rinttoll(8388600.3) = 8388600", rinttoll (8388600.3),
+  check_longlong ("llrint(8388600.3) = 8388600", llrint (8388600.3),
 		  8388600);
-  check_longlong ("rinttoll(-8388600.3) = -8388600", rinttoll (-8388600.3),
+  check_longlong ("llrint(-8388600.3) = -8388600", llrint (-8388600.3),
 		  -8388600);
 }
 
@@ -4416,45 +4503,45 @@ round_test (void)
 
 
 static void
-roundtol_test (void)
+lround_test (void)
 {
-  check_long ("roundtol(0) = 0", roundtol (0), 0);
-  check_long ("roundtol(-0) = 0", roundtol (minus_zero), 0);
-  check_long ("roundtol(0.2) = 0", roundtol (0.2), 0.0);
-  check_long ("roundtol(-0.2) = 0", roundtol (-0.2), 0);
-  check_long ("roundtol(0.5) = 1", roundtol (0.5), 1);
-  check_long ("roundtol(-0.5) = -1", roundtol (-0.5), -1);
-  check_long ("roundtol(0.8) = 1", roundtol (0.8), 1);
-  check_long ("roundtol(-0.8) = -1", roundtol (-0.8), -1);
-  check_long ("roundtol(1.5) = 2", roundtol (1.5), 2);
-  check_long ("roundtol(-1.5) = -2", roundtol (-1.5), -2);
-  check_long ("roundtol(2097152.5) = 2097153", roundtol (2097152.5), 2097153);
-  check_long ("roundtol(-2097152.5) = -2097153", roundtol (-2097152.5),
+  check_long ("lround(0) = 0", lround (0), 0);
+  check_long ("lround(-0) = 0", lround (minus_zero), 0);
+  check_long ("lround(0.2) = 0", lround (0.2), 0.0);
+  check_long ("lround(-0.2) = 0", lround (-0.2), 0);
+  check_long ("lround(0.5) = 1", lround (0.5), 1);
+  check_long ("lround(-0.5) = -1", lround (-0.5), -1);
+  check_long ("lround(0.8) = 1", lround (0.8), 1);
+  check_long ("lround(-0.8) = -1", lround (-0.8), -1);
+  check_long ("lround(1.5) = 2", lround (1.5), 2);
+  check_long ("lround(-1.5) = -2", lround (-1.5), -2);
+  check_long ("lround(2097152.5) = 2097153", lround (2097152.5), 2097153);
+  check_long ("lround(-2097152.5) = -2097153", lround (-2097152.5),
 	      -2097153);
 }
 
 
 static void
-roundtoll_test (void)
+llround_test (void)
 {
-  check_longlong ("roundtoll(0) = 0", roundtoll (0), 0);
-  check_longlong ("roundtoll(-0) = 0", roundtoll (minus_zero), 0);
-  check_longlong ("roundtoll(0.2) = 0", roundtoll (0.2), 0.0);
-  check_longlong ("roundtoll(-0.2) = 0", roundtoll (-0.2), 0);
-  check_longlong ("roundtoll(0.5) = 1", roundtoll (0.5), 1);
-  check_longlong ("roundtoll(-0.5) = -1", roundtoll (-0.5), -1);
-  check_longlong ("roundtoll(0.8) = 1", roundtoll (0.8), 1);
-  check_longlong ("roundtoll(-0.8) = -1", roundtoll (-0.8), -1);
-  check_longlong ("roundtoll(1.5) = 2", roundtoll (1.5), 2);
-  check_longlong ("roundtoll(-1.5) = -2", roundtoll (-1.5), -2);
-  check_longlong ("roundtoll(2097152.5) = 2097153",
-		  roundtoll (2097152.5), 2097153);
-  check_longlong ("roundtoll(-2097152.5) = -2097153",
-		  roundtoll (-2097152.5), -2097153);
-  check_longlong ("roundtoll(34359738368.5) = 34359738369",
-		  roundtoll (34359738368.5), 34359738369ll);
-  check_longlong ("roundtoll(-34359738368.5) = -34359738369",
-		  roundtoll (-34359738368.5), -34359738369ll);
+  check_longlong ("llround(0) = 0", llround (0), 0);
+  check_longlong ("llround(-0) = 0", llround (minus_zero), 0);
+  check_longlong ("llround(0.2) = 0", llround (0.2), 0.0);
+  check_longlong ("llround(-0.2) = 0", llround (-0.2), 0);
+  check_longlong ("llround(0.5) = 1", llround (0.5), 1);
+  check_longlong ("llround(-0.5) = -1", llround (-0.5), -1);
+  check_longlong ("llround(0.8) = 1", llround (0.8), 1);
+  check_longlong ("llround(-0.8) = -1", llround (-0.8), -1);
+  check_longlong ("llround(1.5) = 2", llround (1.5), 2);
+  check_longlong ("llround(-1.5) = -2", llround (-1.5), -2);
+  check_longlong ("llround(2097152.5) = 2097153",
+		  llround (2097152.5), 2097153);
+  check_longlong ("llround(-2097152.5) = -2097153",
+		  llround (-2097152.5), -2097153);
+  check_longlong ("llround(34359738368.5) = 34359738369",
+		  llround (34359738368.5), 34359738369ll);
+  check_longlong ("llround(-34359738368.5) = -34359738369",
+		  llround (-34359738368.5), -34359738369ll);
 }
 
 
@@ -4811,11 +4898,11 @@ main (int argc, char *argv[])
   floor_test ();
   nearbyint_test ();
   rint_test ();
-  rinttol_test ();
-  rinttoll_test ();
+  lrint_test ();
+  llrint_test ();
   round_test ();
-  roundtol_test ();
-  roundtoll_test ();
+  lround_test ();
+  llround_test ();
   trunc_test ();
 
   /* remainder functions */