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@node ilogbf
@section @code{ilogbf}
@findex ilogbf
POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/ilogbf.html}
Gnulib module: ilogbf
Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
Minix 3.1.8, AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 9, MSVC 9.
@item
This function returns a wrong result for a zero argument on some platforms:
OpenBSD 4.9.
@item
This function returns a wrong result for an infinite argument on some platforms:
NetBSD 5.1, OpenBSD 4.9.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@end itemize
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