@node logbl
@section @code{logbl}
@findex logbl

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

Gnulib module: logbl

Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11, older IRIX 6.5, Solaris 9, Cygwin, MSVC 9, Interix 3.5, BeOS.
@item
This function produces wrong results for subnormal numbers on some platforms:
glibc 2.11/powerpc, glibc 2.7/sparc, glibc 2.7/hppa, Solaris 11 2011-11,
glibc 2.23/powerpc64le.
@end itemize

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