d9aimp.f
SUBROUTINE D9AIMP (X, AMPL, THETA)
C***BEGIN PROLOGUE D9AIMP
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Warning: this routine is not intended to be user-callable.
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C***SUBSIDIARY
C***PURPOSE Evaluate the Airy modulus and phase.
C***LIBRARY SLATEC (FNLIB)
C***CATEGORY C10D
C***TYPE DOUBLE PRECISION (R9AIMP-S, D9AIMP-D)
C***KEYWORDS AIRY FUNCTION, FNLIB, MODULUS, PHASE, SPECIAL FUNCTIONS
C***AUTHOR Fullerton, W., (LANL)
C***DESCRIPTION
C
C Evaluate the Airy modulus and phase for X .LE. -1.0
C
C Series for AM20 on the interval -1.56250E-02 to 0.
C with weighted error 3.12E-32
C log weighted error 31.51
C significant figures required 29.24
C decimal places required 32.38
C
C Series for ATH0 on the interval -1.56250E-02 to 0.
C with weighted error 2.75E-32
C log weighted error 31.56
C significant figures required 30.17
C decimal places required 32.42
C
C Series for AM21 on the interval -1.25000E-01 to -1.56250E-02
C with weighted error 3.40E-32
C log weighted error 31.47
C significant figures required 29.02
C decimal places required 32.36
C
C Series for ATH1 on the interval -1.25000E-01 to -1.56250E-02
C with weighted error 2.94E-32
C log weighted error 31.53
C significant figures required 30.08
C decimal places required 32.41
C
C Series for AM22 on the interval -1.00000E+00 to -1.25000E-01
C with weighted error 3.76E-32
C log weighted error 31.42
C significant figures required 29.47
C decimal places required 32.36
C
C Series for ATH2 on the interval -1.00000E+00 to -1.25000E-01
C with weighted error 4.97E-32
C log weighted error 31.30
C significant figures required 29.79
C decimal places required 32.23
C
C***REFERENCES (NONE)
C***ROUTINES CALLED D1MACH, DCSEVL, INITDS, 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 900720 Routine changed from user-callable to subsidiary. (WRB)
C***END PROLOGUE D9AIMP