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@node log
@section @code{log}
@findex log
POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/log.html}
Gnulib module: log or log-ieee
Portability problems fixed by either Gnulib module @code{log} or @code{log-ieee}:
@itemize
@item
This function returns a wrong value for a minus zero argument on some platforms:
OSF/1 5.1.
@end itemize
Portability problems fixed by Gnulib module @code{log-ieee}:
@itemize
@item
This function returns a wrong value for a negative argument on some platforms:
NetBSD 5.1, Solaris 11.4.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@end itemize
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