2
@section @code{copysignf}
5
POSIX specification: @url{http://www.opengroup.org/susv3xsh/copysignf.html}
9
Portability problems fixed by Gnulib:
13
Portability problems not fixed by Gnulib:
16
This function is missing on some platforms:
17
AIX 5.1, IRIX 6.5, Solaris 9.