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@node frexp
@section @code{frexp}
@findex frexp
POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/frexp.html}
Gnulib module: frexp
Portability problems fixed by Gnulib:
@itemize
@item
This function does not work on denormalized numbers on some platforms:
NetBSD 3.0.
@item
This function does not work on negative zero on some platforms:
NetBSD 4.99, MSVC 14.
@item
This function does not work on infinite numbers on some platforms:
IRIX 6.5, mingw, MSVC 14.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@end itemize
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