.\" Modified 2004-11-12 as per suggestion by Fabian Kreutz/AEB
.\" 2008-07-24, mtk, created this page, based on material from j0.3.
.\"
-.TH Y0 3 2008-08-10 "" "Linux Programmer's Manual"
+.TH Y0 3 2014-01-18 "" "Linux Programmer's Manual"
.SH NAME
y0, y0f, y0l, y1, y1f, y1l, yn, ynf, ynl \-
Bessel functions of the second kind
.BR y0 ()
and
.BR y1 ()
-functions return Bessel functions of \fIx\fP
+functions return Bessel functions of
+.I x
of the second kind of orders 0 and 1, respectively.
The
.BR yn ()
function
-returns the Bessel function of \fIx\fP of the second kind of order \fIn\fP.
+returns the Bessel function of
+.I x
+of the second kind of order
+.IR n .
.PP
-The value of \fIx\fP must be positive.
+The value of
+.I x
+must be positive.
.PP
The
-.BR y0f ()
-etc. and
-.BR y0l ()
-etc. functions are versions that take and return
+.BR y0f (),
+.BR y1f (),
+and
+.BR ynf ()
+functions are versions that take and return
.I float
+values.
+The
+.BR y0l (),
+.BR y1l (),
and
+.BR ynl ()
+functions are versions that take and return
.I "long double"
-values, respectively.
+values.
.SH RETURN VALUE
On success, these functions return the appropriate
Bessel value of the second kind for
when a domain error occurs.
.SH SEE ALSO
.BR j0 (3)
+.SH COLOPHON
+This page is part of release 3.68 of the Linux
+.I man-pages
+project.
+A description of the project,
+information about reporting bugs,
+and the latest version of this page,
+can be found at
+\%http://www.kernel.org/doc/man\-pages/.