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84 lines
2.2 KiB
Plaintext
84 lines
2.2 KiB
Plaintext
@node strtod
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@section @code{strtod}
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@findex strtod
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POSIX specification: @url{http://www.opengroup.org/susv3xsh/strtod.html}
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Gnulib module: strtod
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Portability problems fixed by Gnulib:
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@itemize
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@item
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This function is missing on some old platforms.
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@item
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This function mis-parses strings with leading @samp{+} on some old platforms:
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Old versions of Linux.
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@item
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This function returns a wrong end pointer on some old platforms.
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@item
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This function consumes whitespace even when there is nothing that should
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be parsed on some platforms:
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IRIX 6.5, OSF/1 5.1.
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@item
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This function allows whitespace between @samp{e} and the exponent on
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some platforms:
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HP-UX 11.11, IRIX 6.5, OSF/1 4.0.
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@item
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This function returns the wrong end pointer for @samp{-0x} on some
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platforms:
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glibc 2.4, MacOS X 10.3, FreeBSD 6.2, Cygwin < 1.5.25-11.
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@item
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This function returns +0.0 (not -0.0) for @samp{-0} on some platforms:
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IRIX 6.5, OSF/1 4.0.
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@item
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This function fails to parse Infinities and plain NaNs on some platforms:
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OpenBSD 4.0, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, Solaris 9, mingw.
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@item
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This function fails to parse @samp{NaN()} on some platforms:
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glibc-2.3.6, MacOS X 10.3, FreeBSD 6.2, OpenBSD 4.0, AIX 5.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, Cygwin < 1.5.25-11, mingw.
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@item
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This function fails to parse @samp{NaN(@var{n-char-sequence})} on some
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platforms:
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OpenBSD 4.0, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, mingw.
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@item
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This function parses @samp{NaN(@var{n-char-sequence})}, but returns
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the wrong end pointer on some platforms:
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glibc-2.4, AIX 5.1.
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@item
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This function fails to parse C99 hexadecimal floating point on some
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platforms:
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NetBSD 3.0, OpenBSD 4.0, AIX 5.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, Solaris 10, mingw.
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@end itemize
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Portability problems not fixed by Gnulib:
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@itemize
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@item
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This function returns +0.0 (not -0.0) for negative underflow on some
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platforms:
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glibc 2.7, Cygwin, mingw.
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@item
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This function cannot distinguish between ``nan'' and ``-nan'' on some
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platforms:
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glibc 2.7, IRIX 6.5, OSF/1 5.1, mingw.
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@item
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This function fails to correctly parse very long strings on some
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platforms:
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MacOS X 10.3, FreeBSD 6.2, NetBSD 3.0, OpenBSD 4.0, IRIX 6.5, OSF/1 5.1, Cygwin, mingw.
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@item
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The replacement function does not always return correctly rounded results.
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@end itemize
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