J0(3M) 1986 J0(3M) NNAAMMEE j0, j1, jn, y0, y1, yn - bessel functions SSYYNNOOPPSSIISS ##iinncclluuddee <<mmaatthh..hh>> ddoouubbllee jj00((xx)) ddoouubbllee xx;; ddoouubbllee jj11((xx)) ddoouubbllee xx;; ddoouubbllee jjnn((nn,,xx)) iinntt nn;; ddoouubbllee xx;; ddoouubbllee yy00((xx)) ddoouubbllee xx;; ddoouubbllee yy11((xx)) ddoouubbllee xx;; ddoouubbllee yynn((nn,,xx)) iinntt nn;; ddoouubbllee xx;; DDEESSCCRRIIPPTTIIOONN These functions calculate Bessel functions of the first and second kinds for real arguments and integer orders. DDIIAAGGNNOOSSTTIICCSS On a VAX, negative arguments cause y0, y1 and yn to return the reserved operand and set _e_r_r_n_o to EDOM. SSEEEE AALLSSOO math(3M), infnan(3M) Printed 7/27/90 May 1