5 POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/hypotf.html}
9 Portability problems fixed by Gnulib:
12 This function is missing on some platforms:
13 Minix 3.1.8, AIX 5.1, HP-UX 11, Solaris 9, MSVC 9.
15 This function produces wrong values on some platforms:
16 NetBSD 5.1, OpenBSD 4.9.
19 Portability problems not fixed by Gnulib: