# d9aimp.f

          SUBROUTINE D9AIMP (X, AMPL, THETA)
    C***BEGIN PROLOGUE  D9AIMP
    ....
    ....
    Warning:   this routine is not intended to be user-callable.
    ....
    ....
    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