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1.TH J0 3M "19 January 1983"
2.SH NAME
3j0, j1, jn, y0, y1, yn \- bessel functions
4.SH SYNOPSIS
5.nf
6.B #include <math.h>
7.PP
8.B double j0(x)
9.B double x;
10.PP
11.B double j1(x)
12.B double x;
13.PP
14.B double jn(n, x)
15.B double x;
16.PP
17.B double y0(x)
18.B double x;
19.PP
20.B double y1(x)
21.B double x;
22.PP
23.B double yn(n, x)
24.B double x;
25.fi
26.SH DESCRIPTION
27These functions calculate Bessel functions of the first
28and second kinds for real arguments and integer orders.
29.SH DIAGNOSTICS
30Negative arguments cause
31.I y0, y1,
32and
33.I yn
34to return a huge negative value and set
35.I errno
36to EDOM.