ai.f
FUNCTION AI (X)
C***BEGIN PROLOGUE AI
C***PURPOSE Evaluate the Airy function.
C***LIBRARY SLATEC (FNLIB)
C***CATEGORY C10D
C***TYPE SINGLE PRECISION (AI-S, DAI-D)
C***KEYWORDS AIRY FUNCTION, FNLIB, SPECIAL FUNCTIONS
C***AUTHOR Fullerton, W., (LANL)
C***DESCRIPTION
C
C AI(X) computes the Airy function Ai(X)
C Series for AIF on the interval -1.00000D+00 to 1.00000D+00
C with weighted error 1.09E-19
C log weighted error 18.96
C significant figures required 17.76
C decimal places required 19.44
C
C Series for AIG on the interval -1.00000D+00 to 1.00000D+00
C with weighted error 1.51E-17
C log weighted error 16.82
C significant figures required 15.19
C decimal places required 17.27
C
C***REFERENCES (NONE)
C***ROUTINES CALLED AIE, 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 920618 Removed space from variable names. (RWC, WRB)
C***END PROLOGUE AI