usr/src/lib/libm/common_source/j0.3

.TH J0 3M  "19 January 1983"
.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 SEE ALSO
intro(3M), infnan(3M)
.SH DIAGNOSTICS
On a VAX, negative arguments cause y0, y1 and yn
to return the reserved operand and set \fIerrno\fR to EDOM.