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@node modff
@section @code{modff}
@findex modff
POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/modff.html}
Gnulib module: modff or modff-ieee
Portability problems fixed by either Gnulib module @code{modff} or @code{modff-ieee}:
@itemize
@item
This function is missing on some platforms:
Minix 3.1.8, AIX 5.1, HP-UX 11.
@item
This function is only defined as a buggy macro with arguments on some platforms:
MSVC 14.
@end itemize
Portability problems fixed by Gnulib module @code{modff-ieee}:
@itemize
@item
This function has problems with a NaN argument on some platforms:
NetBSD 5.1, OpenBSD 6.7, Solaris 9, Cygwin.
@item
This function has problems with infinite arguments on some platforms:
IRIX 6.5, mingw.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@end itemize
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