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@node truncf
@section @code{truncf}
@findex truncf
POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/truncf.html}
Gnulib module: truncf or truncf-ieee
Portability problems fixed by either Gnulib module @code{truncf} or @code{truncf-ieee}:
@itemize
@item
This function is missing on some platforms:
FreeBSD 5.2.1, NetBSD 3.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11, Solaris 9, MSVC 9, Interix 3.5.
@item
This function is not declared (without @code{-D_GNU_SOURCE}) on some platforms:
glibc 2.8.
@end itemize
Portability problems fixed by Gnulib module @code{truncf-ieee}:
@itemize
@item
This function returns a positive zero for a minus zero argument
on some platforms:
OSF/1 5.1.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@end itemize
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