besy0.f
FUNCTION BESY0 (X)
C***BEGIN PROLOGUE BESY0
C***PURPOSE Compute the Bessel function of the second kind of order
C zero.
C***LIBRARY SLATEC (FNLIB)
C***CATEGORY C10A1
C***TYPE SINGLE PRECISION (BESY0-S, DBESY0-D)
C***KEYWORDS BESSEL FUNCTION, FNLIB, ORDER ZERO, SECOND KIND,
C SPECIAL FUNCTIONS
C***AUTHOR Fullerton, W., (LANL)
C***DESCRIPTION
C
C BESY0(X) calculates the Bessel function of the second kind
C of order zero for real argument X.
C
C Series for BY0 on the interval 0. to 1.60000D+01
C with weighted error 1.20E-17
C log weighted error 16.92
C significant figures required 16.15
C decimal places required 17.48
C
C Series for BM0 on the interval 0. to 6.25000D-02
C with weighted error 4.98E-17
C log weighted error 16.30
C significant figures required 14.97
C decimal places required 16.96
C
C Series for BTH0 on the interval 0. to 6.25000D-02
C with weighted error 3.67E-17
C log weighted error 16.44
C significant figures required 15.53
C decimal places required 17.13
C
C***REFERENCES (NONE)
C***ROUTINES CALLED BESJ0, CSEVL, INITS, R1MACH, XERMSG
C***REVISION HISTORY (YYMMDD)
C 770401 DATE WRITTEN
C 890531 Changed all specific intrinsics to generic. (WRB)
C 890531 REVISION DATE from Version 3.2
C 891214 Prologue converted to Version 4.0 format. (BAB)
C 900315 CALLs to XERROR changed to CALLs to XERMSG. (THJ)
C 900326 Removed duplicate information from DESCRIPTION section.
C (WRB)
C***END PROLOGUE BESY0