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* modules/strtod (Depends-on): Add 'math'.
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* m4/strtod.m4 (gl_FUNC_STRTOD): Move AC_LIBOBJ and gl_PREREQ_STRTOD
invocations from here...
* modules/strtod (configure.ac): ... to here.
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* modules/accept (Depends-on): Add conditions to the dependencies.
* modules/acosl (Depends-on): Likewise.
* modules/argz (Depends-on): Likewise.
* modules/asinl (Depends-on): Likewise.
* modules/atanl (Depends-on): Likewise.
* modules/atoll (Depends-on): Likewise.
* modules/bind (Depends-on): Likewise.
* modules/btowc (Depends-on): Likewise.
* modules/canonicalize-lgpl (Depends-on): Likewise.
* modules/ceil (Depends-on): Likewise.
* modules/ceilf (Depends-on): Likewise.
* modules/ceill (Depends-on): Likewise.
* modules/chdir-long (Depends-on): Likewise.
* modules/chown (Depends-on): Likewise.
* modules/close (Depends-on): Likewise.
* modules/connect (Depends-on): Likewise.
* modules/cosl (Depends-on): Likewise.
* modules/dirfd (Depends-on): Likewise.
* modules/dprintf (Depends-on): Likewise.
* modules/dprintf-posix (Depends-on): Likewise.
* modules/error (Depends-on): Likewise.
* modules/euidaccess (Depends-on): Likewise.
* modules/expl (Depends-on): Likewise.
* modules/faccessat (Depends-on): Likewise.
* modules/fchdir (Depends-on): Likewise.
* modules/fclose (Depends-on): Likewise.
* modules/fcntl (Depends-on): Likewise.
* modules/fdopendir (Depends-on): Likewise.
* modules/fflush (Depends-on): Likewise.
* modules/floor (Depends-on): Likewise.
* modules/floorf (Depends-on): Likewise.
* modules/floorl (Depends-on): Likewise.
* modules/fnmatch (Depends-on): Likewise.
* modules/fopen (Depends-on): Likewise.
* modules/fprintf-posix (Depends-on): Likewise.
* modules/frexp (Depends-on): Likewise.
* modules/frexp-nolibm (Depends-on): Likewise.
* modules/frexpl (Depends-on): Likewise.
* modules/frexpl-nolibm (Depends-on): Likewise.
* modules/fseek (Depends-on): Likewise.
* modules/fsusage (Depends-on): Likewise.
* modules/ftell (Depends-on): Likewise.
* modules/ftello (Depends-on): Likewise.
* modules/futimens (Depends-on): Likewise.
* modules/getcwd (Depends-on): Likewise.
* modules/getcwd-lgpl (Depends-on): Likewise.
* modules/getdelim (Depends-on): Likewise.
* modules/getdomainname (Depends-on): Likewise.
* modules/getgroups (Depends-on): Likewise.
* modules/gethostname (Depends-on): Likewise.
* modules/getline (Depends-on): Likewise.
* modules/getlogin_r (Depends-on): Likewise.
* modules/getopt-posix (Depends-on): Likewise.
* modules/getpeername (Depends-on): Likewise.
* modules/getsockname (Depends-on): Likewise.
* modules/getsockopt (Depends-on): Likewise.
* modules/getsubopt (Depends-on): Likewise.
* modules/getusershell (Depends-on): Likewise.
* modules/glob (Depends-on): Likewise.
* modules/grantpt (Depends-on): Likewise.
* modules/iconv_open (Depends-on): Likewise.
* modules/iconv_open-utf (Depends-on): Likewise.
* modules/inet_ntop (Depends-on): Likewise.
* modules/inet_pton (Depends-on): Likewise.
* modules/ioctl (Depends-on): Likewise.
* modules/isapipe (Depends-on): Likewise.
* modules/isfinite (Depends-on): Likewise.
* modules/isinf (Depends-on): Likewise.
* modules/lchown (Depends-on): Likewise.
* modules/ldexpl (Depends-on): Likewise.
* modules/link (Depends-on): Likewise.
* modules/linkat (Depends-on): Likewise.
* modules/listen (Depends-on): Likewise.
* modules/logl (Depends-on): Likewise.
* modules/lstat (Depends-on): Likewise.
* modules/mbrlen (Depends-on): Likewise.
* modules/mbrtowc (Depends-on): Likewise.
* modules/mbsinit (Depends-on): Likewise.
* modules/mbsnrtowcs (Depends-on): Likewise.
* modules/mbsrtowcs (Depends-on): Likewise.
* modules/mbtowc (Depends-on): Likewise.
* modules/memcmp (Depends-on): Likewise.
* modules/mkdir (Depends-on): Likewise.
* modules/mkdtemp (Depends-on): Likewise.
* modules/mkfifo (Depends-on): Likewise.
* modules/mkfifoat (Depends-on): Likewise.
* modules/mknod (Depends-on): Likewise.
* modules/mkostemp (Depends-on): Likewise.
* modules/mkostemps (Depends-on): Likewise.
* modules/mkstemp (Depends-on): Likewise.
* modules/mkstemps (Depends-on): Likewise.
* modules/mktime (Depends-on): Likewise.
* modules/nanosleep (Depends-on): Likewise.
* modules/open (Depends-on): Likewise.
* modules/openat (Depends-on): Likewise.
* modules/perror (Depends-on): Likewise.
* modules/poll (Depends-on): Likewise.
* modules/popen (Depends-on): Likewise.
* modules/posix_spawn (Depends-on): Likewise.
* modules/posix_spawn_file_actions_addclose (Depends-on): Likewise.
* modules/posix_spawn_file_actions_adddup2 (Depends-on): Likewise.
* modules/posix_spawn_file_actions_addopen (Depends-on): Likewise.
* modules/posix_spawnp (Depends-on): Likewise.
* modules/pread (Depends-on): Likewise.
* modules/printf-posix (Depends-on): Likewise.
* modules/ptsname (Depends-on): Likewise.
* modules/putenv (Depends-on): Likewise.
* modules/pwrite (Depends-on): Likewise.
* modules/readline (Depends-on): Likewise.
* modules/readlink (Depends-on): Likewise.
* modules/readlinkat (Depends-on): Likewise.
* modules/recv (Depends-on): Likewise.
* modules/recvfrom (Depends-on): Likewise.
* modules/regex (Depends-on): Likewise.
* modules/remove (Depends-on): Likewise.
* modules/rename (Depends-on): Likewise.
* modules/renameat (Depends-on): Likewise.
* modules/rmdir (Depends-on): Likewise.
* modules/round (Depends-on): Likewise.
* modules/roundf (Depends-on): Likewise.
* modules/roundl (Depends-on): Likewise.
* modules/rpmatch (Depends-on): Likewise.
* modules/select (Depends-on): Likewise.
* modules/send (Depends-on): Likewise.
* modules/sendto (Depends-on): Likewise.
* modules/setenv (Depends-on): Likewise.
* modules/setlocale (Depends-on): Likewise.
* modules/setsockopt (Depends-on): Likewise.
* modules/shutdown (Depends-on): Likewise.
* modules/sigaction (Depends-on): Likewise.
* modules/signbit (Depends-on): Likewise.
* modules/sigprocmask (Depends-on): Likewise.
* modules/sinl (Depends-on): Likewise.
* modules/sleep (Depends-on): Likewise.
* modules/snprintf (Depends-on): Likewise.
* modules/snprintf-posix (Depends-on): Likewise.
* modules/socket (Depends-on): Likewise.
* modules/sprintf-posix (Depends-on): Likewise.
* modules/sqrtl (Depends-on): Likewise.
* modules/stat (Depends-on): Likewise.
* modules/strchrnul (Depends-on): Likewise.
* modules/strdup-posix (Depends-on): Likewise.
* modules/strerror (Depends-on): Likewise.
* modules/strerror_r-posix (Depends-on): Likewise.
* modules/strndup (Depends-on): Likewise.
* modules/strnlen (Depends-on): Likewise.
* modules/strptime (Depends-on): Likewise.
* modules/strsep (Depends-on): Likewise.
* modules/strsignal (Depends-on): Likewise.
* modules/strstr-simple (Depends-on): Likewise.
* modules/strtod (Depends-on): Likewise.
* modules/strtoimax (Depends-on): Likewise.
* modules/strtok_r (Depends-on): Likewise.
* modules/strtoumax (Depends-on): Likewise.
* modules/symlink (Depends-on): Likewise.
* modules/symlinkat (Depends-on): Likewise.
* modules/tanl (Depends-on): Likewise.
* modules/tcgetsid (Depends-on): Likewise.
* modules/tmpfile (Depends-on): Likewise.
* modules/trunc (Depends-on): Likewise.
* modules/truncf (Depends-on): Likewise.
* modules/truncl (Depends-on): Likewise.
* modules/uname (Depends-on): Likewise.
* modules/unlink (Depends-on): Likewise.
* modules/unlockpt (Depends-on): Likewise.
* modules/unsetenv (Depends-on): Likewise.
* modules/usleep (Depends-on): Likewise.
* modules/utimensat (Depends-on): Likewise.
* modules/vasprintf (Depends-on): Likewise.
* modules/vdprintf (Depends-on): Likewise.
* modules/vdprintf-posix (Depends-on): Likewise.
* modules/vfprintf-posix (Depends-on): Likewise.
* modules/vprintf-posix (Depends-on): Likewise.
* modules/vsnprintf (Depends-on): Likewise.
* modules/vsnprintf-posix (Depends-on): Likewise.
* modules/vsprintf-posix (Depends-on): Likewise.
* modules/wcrtomb (Depends-on): Likewise.
* modules/wcscasecmp (Depends-on): Likewise.
* modules/wcscspn (Depends-on): Likewise.
* modules/wcsdup (Depends-on): Likewise.
* modules/wcsncasecmp (Depends-on): Likewise.
* modules/wcsnrtombs (Depends-on): Likewise.
* modules/wcspbrk (Depends-on): Likewise.
* modules/wcsrtombs (Depends-on): Likewise.
* modules/wcsspn (Depends-on): Likewise.
* modules/wcsstr (Depends-on): Likewise.
* modules/wcstok (Depends-on): Likewise.
* modules/wcswidth (Depends-on): Likewise.
* modules/wctob (Depends-on): Likewise.
* modules/wctomb (Depends-on): Likewise.
* modules/wctype (Depends-on): Likewise.
* modules/wcwidth (Depends-on): Likewise.
* modules/write (Depends-on): Likewise.
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* modules/strtod-obsolete: New file.
* m4/strtod-obsolete.m4: New file.
* m4/strtod.m4 (gl_FUNC_STRTOD): Don't check whether strtod is declared
if gl_FUNC_STRTOD_OBSOLETE is not also defined.
* modules/strtod (Depends-on): Add strtod-obsolete.
* doc/posix-functions/strtod.texi: Mention module strtod-obsolete.
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* lib/strtod.c (_GL_ARG_NONNULL): Remove; no longer needed.
Include limits.h. Don't include string.h.
(HAVE_LDEXP_IN_LIBC, HAVE_RAW_DECL_STRTOD): Define to 0 if not defined.
(locale_isspace): New function, so that no casts are needed to
check whether *s is a space.
(ldexp): Provide an unused dummy if not available.
(scale_radix_exp, parse_number, underlying_strtod): New functions.
(strtod): Use them. This implementation prefers to use the
underlying strtod if available, falling back on our own code
only to fix known bugs. This is more likely to produce an
accurate result. Also, it avoids the use of libm functions.
* m4/strtod.m4 (gl_FUNC_STRTOD): Don't invoke _AC_LIBOBJ_STRTOD;
no longer needed. Invoke AC_LIBOBJ([strtod]); don't know why this
was absent, but it caused a test failure with coreutils.
(gl_PREREQ_STRTOD): Check wither ldexp can be used without linking
with libm.
* modules/strtod (Makefile.am, Link): libm is no longer needed.
* modules/strtod-tests (Makefile.am): Likewise.
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* modules/strtod (Depends-on): Add c-ctype.
(Link): Mention POW_LIB.
* lib/strtod.c (strtod): Recognize hex floats. Don't allow
whitespace between 'e' and exponent.
* tests/test-strtod.c (main): Enable hex float tests.
* doc/posix-functions/strtod.texi (strtod): Document what gnulib
now provides.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* doc/posix-functions/strtod.texi (strtod): Document bugs with
"-0x", "inf", "nan", and hex constants.
* doc/posix-functions/atof.texi (atof): Likewise.
* modules/stdlib (Makefile.am): Support strtod.
* m4/stdlib_h.m4 (gl_STDLIB_H_DEFAULTS): Likewise.
* m4/strtod.m4 (gl_FUNC_STRTOD): Fit in stdlib framework, and
detect additional strtod bugs.
* lib/stdlib.in.h (rpl_strtod): Add declarations.
* lib/strtod.c (strtod): Return -0.0 on negative underflow. Use
bool where appropriate. Parse 'inf' and 'nan'.
* tests/test-strtod.c: New file.
* modules/strtod (Depends-on): Add stdbool, stdlib.
(configure.ac): Turn on module indicator.
* modules/strtod-tests: New module.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* modules/alloca, modules/atexit, modules/memmove:
Now public domain, not GPL.
* modules/dup2, modules/getpagesize, modules/malloc, modules/memset:
* modules/realloc, modules/strerror, modules/strtod:
Now LGPL, not GPL.
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