Commit Graph

18 Commits

Author SHA1 Message Date
Corinna Vinschen fbace81684 Import correctly working strtold from David M. Gay.
* libc/stdlib/Makefile.am (GENERAL_SOURCES): Add strtodg.c and
	strtorx.c.
	* libc/stdlib/Makefile.in: Regenerate.
	* libc/stdlib/strtodg.c: New file implementing generic string to long
	double conversion.
	* libc/stdlib/strtorx.c: New file, implementing IEEE format string to
	long double conversion.
	* libc/stdlib/mprec.h (_strtodg_r): Declare.
	(_strtorx_r): Declare.
	* libc/stdlib/gdtoa.h (__UShort): Define.
	* libc/stdlib/strtold.c (__flt_rounds): Define for i386 and x86_64
	target.
	(FLT_ROUNDS): Define, as 0 on platforms missing a __flt_rounds
	function.
	(_strtold_r): Converted from strtold.  Call _strtorx_r on targets
	supporting distinct long doubles.
	(strtold): Just call _strtold_r.
	* libc/include/stdlib.h (_strtold_r): Declare.
	* libc/stdlib/ldtoa.c (_strtold): Comment out.  Explain why.
	* libc/stdio/vfscanf.c (__SVFSCANF_R): Call _strtold_r instead of
	_strtold.
	* libc/machine/powerpc/vfscanf.c (__svfscanf_r): Ditto.

	* common.din (strtold): Drop redirection to _strtold.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-11-20 18:14:58 +01:00
Corinna Vinschen fcc2dcbb21 ldtoa.c: Reindent to GNU style
* libc/stdlib/ldtoa.c: Convert to GNU style so as not to get crazy
	reading the code.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-11-19 17:09:58 +01:00
Jeff Johnston b7f5fb36f1 2014-03-21 Maciej W. Rozycki <macro@codesourcery.com>
* libc/stdlib/gd_qnan.h (f_QNAN, d_QNAN0, d_QNAN1): Add MIPS
        versions.
        (ld_QNAN0, ld_QNAN1, ld_QNAN2, ld_QNAN3): Don't define for MIPS.
        (ldus_QNAN0, ldus_QNAN1, ldus_QNAN2, ldus_QNAN3, ldus_QNAN4):
        Likewise.
        * libc/stdlib/ldtoa.c (nan113, nan64, nan53, nan24): Add MIPS
        versions.
        (enan): Handle legacy MIPS payloads.
        * libm/common/s_nan.c (nan): Use __builtin_nan if supported by
        the compiler.
        * libm/common/sf_nan.c (nanf): Likewise.
2014-03-21 21:27:29 +00:00
Corinna Vinschen e9c0122ec0 * libc/stdlib/gdtoa-gethex.c (__hexdig): Constify.
(hexdig_init): Remove.
	(__hexdig_fun): New function.
	hexdig_init, added __hexdig_fun
	(gethex): Call __get_hexdig macro rather than hexdig.
	* libc/stdlib/gdtoa-hexnan.c (hexnan): Constify fpi argument.
	Call __get_hexdig macro rather than hexdig.
	* libc/stdlib/ldtoa.c: Throughout constify functions arguments where
	required by constifying the following arrays.
	(ezero): Constify.
	(eone): Constify.
	(ermsg): Constify.
	(etens): Constify.
	(emtens): Constify.
	(nan113): Constify.
	(nan64): Constify.
	(nan53): Constify.
	(nan24): Constify.
	* libc/stdlib/mprec.h (__get_hexdig): Define.
	(gethex): Constify args in declaration where appropriate.
	(hexnan): Ditto.
	(hexdig_init): Remove declaration.
	(__hexdig_fun): Declare.
	* libc/stdlib/strtod.c (fpi): Constify.
	(fpinan): Constify.
2013-06-10 15:27:43 +00:00
Jeff Johnston 7dd0c33097 2008-12-11 Craig Howland <howland@LGSInnovations.com>
* libc/include/sys/lock.h:  Add void cast to avoid "statement has no
        effect" warnings from gcc.
        * libc/include/sys/stdio.h:  Ditto.
        * libc/include/sys/time.h:  Correct gettimeofday() prototype.
        * libc/stdlib/__exp10.c:  Add #include "std.h" for function prototype.
        * libc/stdlib/__ten_mu.c:  Ditto.
        * libc/stdlib/std.h:  Correct __exp10's ANSI prototype.
        * libc/stdlib/ldtoa.c:  Change eiisinf definition to ANSI form.  (Are
        already others in file without _ansi method, so did not bother.)
        * libc/stdlib/system.c:  Use _ansi forms for function prototypes and
        definitions.
        * libc/time/mktime.c:  Ditto.
        * libc/misc/__dprintf.c:  Ditto.
        * libc/include/stdio.h:  Add function prototypes for _fgetc_r,
        _fgetpos_r, _fsetpos_r, _freopen_r, _rewind_r, freopen64, _freopen64_r,
        _funopen_r, and _fopencookie_r.
        * libc/include/reent.h:  Add function prototype for _stat64_r, align
        _execve_r prototype with POSIX definition for execve.
        * libc/reent/execr.c:  Align function prototype with POSIX definition.
        * libc/stdio/asniprintf.c:  Add #include "local.h".
        * libc/stdio/vasniprintf.c:  Ditto.
        * libc/stdio/fread.c:  Remove unused variable newcount.
        * libc/stdio/local.h:  Add function prototype for __sccl.
        * libc/stdio/open_memstream.c:  Remove unused variable flags.
        * libc/stdio/vfscanf.c:  Proper prototyping for ccfn, remove prototype
        for __sccl since now in local.h.
        * libc/string/memcpy.c:  Add #include <string.h> (for real and for
        traditional synopsis), remove extraneous stddef.h and limits.h.
        * libc/syscalls/sysclose.c:  Add #include <unistd.h>.
        * libc/syscalls/sysfork.c:  Ditto.
        * libc/syscalls/sysgetpid.c:  Ditto.
        * libc/syscalls/sysexecve.c:  Add #include <unistd.h>, align function
        prototype with POSIX definition.
        * libc/syscalls/sysfstat.c:  Add #include <sys/stat.h>.
        * libc/syscalls/sysgettod.c:  Correct sys/times.h to sys/time.h.
        * libc/syscalls/syskill.c:  Add #include <signal.h>.
        * libc/syscalls/syslink.c:  Add #include <unistd.h>, fix prototype.
        * libc/syscalls/sysunlink.c:  Ditto.
        * libc/syscalls/sysstat.c:  Add #include <sys/stat.h>, fix prototype.
        * libc/syscalls/syswait.c:  Add #include <sys/wait.h>, fix prototype.
2008-12-11 17:27:56 +00:00
Jeff Johnston 0d2597f5a0 2008-10-06 Eric Blake <ebb9@byu.net>
* libc/stdlib/ldtoa.c (etoasc): Fix rounding to even when fraction
        is 0.5 or 0.75.
2008-10-06 19:47:06 +00:00
Jeff Johnston 1eeaeab855 2007-06-06 Christian Groessler <chris@groessler.org>
* libc/stdlib/ldtoa (_ldcheck): Make sure the setting of
        rnd is done after the last local variable declaration.

2007-06-06  Jeff Johnston  <jjohnstn@redhat.com>

        * libc/stdlib/mprec.h[Just_16]: Make sure that Pack_16 is defined.
2007-06-06 19:24:28 +00:00
Eric Blake 895d76fed6 * libc/include/math.h (INFINITY, NAN, FP_ILOGB0, FP_ILOGBNAN)
(MATH_ERRNO, MATH_ERREXCEPT, math_errhandling): Add macros
	required by POSIX.
	* libc/stdlib/ldtoa.c (USE_INFINITY): Rename from INFINITY, to
	avoid clash with <math.h>.
2007-05-16 19:59:40 +00:00
Jeff Johnston 68cdbb18da 2005-06-16 Christopher Faylor <cgf@timesys.com>
* libc/stdio/vfprintf.c (cvt): Don't rely on pointer aliasing to
        determine characteristics of long double.  Use a union instead.
        * ldtoa.c (_ldtoa_r): Ditto.
        (_ldcheck): Ditto.
        (_strtold): Ditto.
        (union uconv): New union.
2005-06-16 19:14:01 +00:00
Jeff Johnston 76a7df5256 2003-10-20 Bob Wilson <bob.wilson@acm.org>
* libc/locale/locale.c: Use double quotes in code.
	* libc/locale/locale.tex: Likewise.
	* libc/libc.texinfo: Hyphenate "floating-point".
	* libc/machine/necv70/necv70.tex: Likewise.
	* libc/stdio/sprintf.c: Likewise.
	* libc/stdio/sscanf.c: Likewise.
	* libc/stdlib/atof.c: Likewise.
	* libc/stdlib/ldtoa.c: Fix comment typo.
	* libc/stdlib/div.c: Use @ifnottex instead of @ifinfo.
	* libc/stdlib/ldiv.c: Likewise.
	* libm/common/s_expm1.c: Likewise.
	* libm/common/s_ilogb.c: Hyphenate "floating-point".  Use "nonzero".
	* libm/common/s_infinity: Hyphenate "double- and single-precision".
	* libm/common/s_nan.c: Likewise.  Also correct the FUNCTION summary.
	* libm/common/s_nextafter.c: Fix typo.  Hyphenate "double-precision"
	and "floating-point".
	* libm/common/s_scalbn.c: Correct the FUNCTION summary.
	* libm/math/e_pow.c: Fix comment typo.
	* libm/math/math.tex: Hyphenate "single-precision" and "floating-point".
	* libm/math/s_asinh.c: Use @ifnottex instead of @ifinfo.
	* libm/math/s_atan.c: Likewise.
	* libm/math/s_frexp.c: Likewise.  Also use "nonzero".
	* libm/math/s_isnan.c: Hyphenate "single-precision" and
	"floating-point".  Use "nonzero".
	* libm/math/s_ldexp.c: Use @ifnottex instead of @ifinfo.
	* libm/math/w_acos.c: Likewise.
	* libm/math/w_acosh.c: Likewise.
	* libm/math/w_asin.c: Likewise.
	* libm/math/w_atan2.c: Likewise.
	* libm/math/w_atanh.c: Likewise.
	* libm/math/w_cosh.c: Likewise.
	* libm/math/w_exp.c: Likewise.
	* libm/math/w_exp2.c: Likewise.  Add missing @end and missing @tex
	version of 2^x in the description.
	* libm/math/w_fmod.c: Use @ifnottex instead of @ifinfo.
	* libm/math/w_gamma.c: Likewise.
	* libm/math/w_hypot.c: Likewise.
	* libm/math/w_j0.c: Likewise.
	* libm/math/w_sinh.c: Likewise.
	* libm/math/w_pow.c: Replace "exp1.0nt" with "exponent".
	* libm/mathfp/mathfp.tex: Hyphenate "single-precision" and
	"floating-point".
	* libm/mathfp/e_acosh.c: Use @ifnottex instead of @ifinfo.
	* libm/mathfp/e_atanh.c: Likewise.
	* libm/mathfp/e_hypot.c: Likewise.
	* libm/mathfp/er_lgamma.c: Likewise.
	* libm/mathfp/s_acos.c: Likewise.
	* libm/mathfp/s_asine.c: Likewise.
	* libm/mathfp/s_asinh.c: Likewise.
	* libm/mathfp/s_atan.c: Likewise.
	* libm/mathfp/s_atan2.c: Likewise.
	* libm/mathfp/s_atangent.c: Likewise.
	* libm/mathfp/s_cosh.c: Likewise.
	* libm/mathfp/s_exp.c: Likewise.
	* libm/mathfp/s_fmod.c: Likewise.
	* libm/mathfp/s_frexp.c: Likewise.  Also use "nonzero".
	* libm/mathfp/s_isnan.c: Hyphenate "single-precision" and
	"floating-point".  Use "nonzero".
	* libm/math/s_pow.c: Replace "exp1.0nt" with "exponent".
	* libm/mathfp/s_ldexp.c: Use @ifnottex instead of @ifinfo.
	* libm/mathfp/s_sineh.c: Likewise.
	* libm/mathfp/w_jn.c: Likewise.
2003-10-20 18:46:38 +00:00
Jeff Johnston ad36f7d19a 2003-02-03 Jeff Johnston <jjohnstn@redhat.com>
* libc/stdlib/ldtoa.c (_ldtoa_r): Fix code to allocate the format
        buffer based on the precision, after we have processed the input value
        in a local buffer and know its relative magnitude.
2003-02-03 21:29:45 +00:00
Jeff Johnston d4c3a750e7 2003-01-07 Jeff Johnston <jjohnstn@redhat.com>
* configure.host: Support long double I/O for x86-linux.
        * libc/stdlib/ldtoa.c (_ldtoa_r): Fix code to allocate a buffer
        large enough to hold formatted result.
        * libc/machine/powerpc/simdldtoa.c (_simdldtoa_r): Ditto.
2003-01-07 19:52:27 +00:00
Jeff Johnston 944772c70a 2002-11-12 Jeff Johnston <jjohnstn@redhat.com>
* libc/stdlib/ldtoa.c (e64toe): When checking the exponent
        for inf/nan, make sure that the check ignores the sign bit.
2002-11-12 21:47:53 +00:00
Jeff Johnston 27478365a2 2002-02-05 Manik Raina <manik@cisco.com>
* libc/misc/dprintf (parse_number): #if 0 unused function.
        * libc/stdlib/ldtoa.c (_ldcheck): Remove unused local variables
        s, p, k, and outstr.
        * libc/stdlib/dtoa.c (_dtoa_r): Initialize mlo.
2002-02-05 17:14:35 +00:00
Matthew Green 8195aff714 * implement a new `struct _reent' that is significantly smaller. use this
if _REENT_SMALL is defined in config.h.  define this for xstormy16.
2002-02-03 09:24:18 +00:00
Jeff Johnston b6182a09dd 2000-12-13 Jeff Johnston <jjohnstn@redhat.com>
* libc/stdlib/ldtoa.c (_ldcheck): New routine
        that categorizes a long double as NaN, Infinity, or other.
        * libc/stdio/vfprintf.c [WANT_IO_LONG_DBL](_VFPRINTF_R): Removed
        isinfl and isnanl static routines which were i386-specific.  Changed
        calls to the two removed routines to a single _ldcheck call.
        * libc/stdio/vfieeefp.h (ldieee): Fixed missing semi-colons.
2000-12-14 00:25:06 +00:00
Jeff Johnston 2005ab6be7 2000-12-07 Jeff Johnston <jjohnstn@redhat.com>
* libc/stdlib/ldtoa.c: Removed include of alloca.h.
        Also removed \r's.
        (asctoeg): Replaced alloca call with stack array and malloc
        when storage exceeds reasonable limit.
        (e53toe): Fixed einfin calls missing ldp parameter.
        (eiisinf): Hide behind check for LDBL_MANT_DIG == 64.
2000-12-07 23:38:05 +00:00
Jeff Johnston 6bdac416e9 2000-12-06 Jeff Johnston <jjohnstn@redhat.com>
* libc/stdlib/Makefile.am: Added ldtoa.c to list of sources.
        * libc/stdlib/Makefile.in: Regenerated.
        * libc/stdio/floatio.h: Added suitable MAXEXP for long double.
        * libc/stdio/vfieeefp.h: Added long double bit structures.
        * libc/stdio/vfprintf.c[WANT_IO_LONG_DBL]: Added long double support.
        [WANT_IO_LONG_DBL](isinfl, isnanl): New static long double routines.
        (exponent): Changed expbuf to reasonable maximum instead of MAXEXP.
        * libc/stdio/vfscanf.c[WANT_IO_LONG_DBL]: Added long double support.
        * libc/stdlib/ldtoa.c: New file containing _ldtoa_r and
        _strtold routines used for conversions between character
        and long double.
2000-12-06 23:50:11 +00:00