.\" Copyright (c) 1985 Regents of the University of California.
.\" All rights reserved.  The Berkeley software License Agreement
.\" specifies the terms and conditions for redistribution.
.\"
.\"	@(#)j0.3m	6.6 (Berkeley) 5/12/86
.\"
.TH J0 3M  "May 12, 1986"
.UC 4
.SH NAME
j0, j1, jn, y0, y1, yn \- bessel functions
.SH SYNOPSIS
.nf
.B #include <math.h>
.PP
.B double j0(x)
.B double x;
.PP
.B double j1(x)
.B double x;
.PP
.B double jn(n,x)
.B int n;
.B double x;
.PP
.B double y0(x)
.B double x;
.PP
.B double y1(x)
.B double x;
.PP
.B double yn(n,x)
.B int n;
.B double x;
.fi
.SH DESCRIPTION
These functions calculate Bessel functions of the first
and second kinds for real arguments and integer orders.
.SH DIAGNOSTICS
On a VAX, negative arguments cause y0, y1 and yn
to return the reserved operand and set \fIerrno\fR to EDOM.
.SH SEE ALSO
math(3M), infnan(3M)