Hash :
3ecee316
Author :
Date :
2023-10-04T00:30:28
ilogb: Document a Mac OS X bug. * doc/posix-functions/ilogb.texi: Mention a bug that affects Mac OS X. * m4/ilogb.m4 (gl_FUNC_ILOGB): Update comments.
@node ilogb
@section @code{ilogb}
@findex ilogb
POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/ilogb.html}
Gnulib module: ilogb
Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
Minix 3.1.8, MSVC 9.
@item
This function returns a wrong result for a zero argument on some platforms:
OpenBSD 6.7, AIX 5.1.
@item
This function returns a wrong result for denormalized arguments on some platforms:
Mac OS X 10.5 64-bit, AIX 7.1 64-bit.
@item
This function returns a wrong result for an infinite argument on some platforms:
NetBSD 7.1, OpenBSD 6.7.
@item
This function returns a wrong result for a NaN argument on some platforms:
NetBSD 7.1, OpenBSD 6.7.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@end itemize