@node logbf
@section @code{logbf}
@findex logbf

POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/logbf.html}

Gnulib module: logbf

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 produces wrong results for subnormal numbers on some platforms:
glibc 2.11/ppc, glibc 2.7/sparc, glibc 2.7/hppa, Solaris 11.0.
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@end itemize
