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@node hypotl
@section @code{hypotl}
@findex hypotl
POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/hypotl.html}
Gnulib module: hypotl or hypotl-ieee
Portability problems fixed by either Gnulib module @code{hypotl} or @code{hypotl-ieee}:
@itemize
@item
This function is missing on some platforms:
FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 9, Cygwin 1.7.x, MSVC 14, Android 4.4.
@item
This function produces very imprecise results on some platforms:
NetBSD 9.0, OpenBSD 5.1/SPARC.
@end itemize
Portability problems fixed by Gnulib module @code{hypotl-ieee}:
@itemize
@item
When the arguments are mixed NaN and Infinity, this function returns a wrong
value on some platforms:
mingw, MSVC 14.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@end itemize
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