bi.f
FUNCTION BI (X)
C***BEGIN PROLOGUE BI
C***PURPOSE Evaluate the Bairy function (the Airy function of the
C second kind).
C***LIBRARY SLATEC (FNLIB)
C***CATEGORY C10D
C***TYPE SINGLE PRECISION (BI-S, DBI-D)
C***KEYWORDS BAIRY FUNCTION, FNLIB, SPECIAL FUNCTIONS
C***AUTHOR Fullerton, W., (LANL)
C***DESCRIPTION
C
C BI(X) calculates the Airy function of the second kind for real
C argument X.
C
C Series for BIF on the interval -1.00000D+00 to 1.00000D+00
C with weighted error 1.88E-19
C log weighted error 18.72
C significant figures required 17.74
C decimal places required 19.20
C
C Series for BIG on the interval -1.00000D+00 to 1.00000D+00
C with weighted error 2.61E-17
C log weighted error 16.58
C significant figures required 15.17
C decimal places required 17.03
C
C Series for BIF2 on the interval 1.00000D+00 to 8.00000D+00
C with weighted error 1.11E-17
C log weighted error 16.95
C approx significant figures required 16.5
C decimal places required 17.45
C
C Series for BIG2 on the interval 1.00000D+00 to 8.00000D+00
C with weighted error 1.19E-18
C log weighted error 17.92
C approx significant figures required 17.2
C decimal places required 18.42
C
C***REFERENCES (NONE)
C***ROUTINES CALLED BIE, CSEVL, INITS, R1MACH, R9AIMP, XERMSG
C***REVISION HISTORY (YYMMDD)
C 770701 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 BI