Mercurial > gnulib
view doc/posix-functions/strtod.texi @ 17223:4e33322b32f8
Hyphen and dash fixes.
author | Paul Eggert <eggert@cs.ucla.edu> |
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date | Thu, 27 Dec 2012 01:16:25 -0800 |
parents | 498a2211d839 |
children | b8576602c861 |
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@node strtod @section @code{strtod} @findex strtod POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/strtod.html} Gnulib module: strtod or strtod-obsolete Portability problems fixed by either Gnulib module @code{strtod} or @code{strtod-obsolete}: @itemize @item This function mis-parses strings with leading @samp{+} on some old platforms: Old versions of Linux. @item This function returns a wrong end pointer on some old platforms. @item This function consumes whitespace even when there is nothing that should be parsed on some platforms: IRIX 6.5, OSF/1 5.1. @item This function allows whitespace between @samp{e} and the exponent on some platforms: HP-UX 11.11, IRIX 6.5, OSF/1 4.0. @item This function returns the wrong end pointer for @samp{-0x} on some platforms: glibc 2.4, Mac OS X 10.5, FreeBSD 6.2, AIX 7.1, Cygwin < 1.5.25-11. @item This function returns +0.0 (not @minus{}0.0) for @samp{-0} on some platforms: IRIX 6.5, OSF/1 4.0. @item This function fails to parse Infinities and plain NaNs on some platforms: OpenBSD 4.0, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, Solaris 9, mingw, MSVC 9. @item This function fails to parse @samp{NaN()} on some platforms: glibc-2.3.6, Mac OS X 10.5, FreeBSD 6.2, OpenBSD 4.0, AIX 7.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, Cygwin < 1.5.25-11, mingw, MSVC 9. @item This function fails to parse @samp{NaN(@var{n-char-sequence})} on some platforms: OpenBSD 4.0, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, mingw, MSVC 9. @item This function parses @samp{NaN(@var{n-char-sequence})}, but returns the wrong end pointer on some platforms: glibc-2.4, AIX 7.1. @item This function fails to parse C99 hexadecimal floating point on some platforms: NetBSD 5.0, OpenBSD 4.0, AIX 5.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, Solaris 11 2011-11, mingw, MSVC 9. @item This function returns the wrong end pointer for @samp{0x1p} on some platforms: AIX 7.1. @end itemize Portability problems fixed by Gnulib module @code{strtod-obsolete}: @itemize @item This function is missing on some old platforms. @end itemize Portability problems not fixed by Gnulib: @itemize @item This function returns +0.0 (not @minus{}0.0) for negative underflow on some platforms: glibc 2.7, Cygwin 1.5.x, mingw, MSVC 9. @item This function cannot distinguish between ``nan'' and ``-nan'' on some platforms: glibc 2.7, IRIX 6.5, OSF/1 5.1, mingw, MSVC 9. @item This function fails to correctly parse very long strings on some platforms: Mac OS X 10.5, FreeBSD 6.2, NetBSD 5.0, OpenBSD 4.0, IRIX 6.5, OSF/1 5.1, Cygwin, mingw, MSVC 9. @item The replacement function does not always return correctly rounded results. @end itemize