D9B0MP(3)

SYNOPSIS
SUBROUTINE D9B0MP (X, AMPL, THETA)

NAME
d9b0mp - Evaluate the modulus and phase for the J0 and Y0 Bessel functions.

LIBRARY
SLATEC (FNLIB)

CATEGORY
C10A1

TYPE
DOUBLE PRECISION (D9B0MP-D)

KEYWORDS
BESSEL FUNCTION, FNLIB, MODULUS, PHASE, SPECIAL FUNCTIONS

AUTHOR
Fullerton, W., (LANL)

DESCRIPTION
Evaluate the modulus and phase for the Bessel J0 and Y0 functions. Series for BM0 on the interval 1.56250E-02 to 6.25000E-02 with weighted error 4.40E-32 log weighted error 31.36 significant figures required 30.02 decimal places required 32.14 Series for BTH0 on the interval 0. to 1.56250E-02 with weighted error 2.66E-32 log weighted error 31.57 significant figures required 30.67 decimal places required 32.40 Series for BM02 on the interval 0. to 1.56250E-02 with weighted error 4.72E-32 log weighted error 31.33 significant figures required 30.00 decimal places required 32.13 Series for BT02 on the interval 1.56250E-02 to 6.25000E-02 with weighted error 2.99E-32 log weighted error 31.52 significant figures required 30.61 decimal places required 32.32

REFERENCES
(NONE)

ROUTINES CALLED
D1MACH, DCSEVL, INITDS, XERMSG

REVISION HISTORY (YYMMDD)
770701 DATE WRITTEN
890531 Changed all specific intrinsics to generic. (WRB)
890531 REVISION DATE from Version 3.2
891214 Prologue converted to Version 4.0 format. (BAB)
900315 CALLs to XERROR changed to CALLs to XERMSG. (THJ)
900720 Routine changed from user-callable to subsidiary. (WRB)
920618 Removed space from variable names. (RWC, WRB)