 
      DOUBLE PRECISION FUNCTION DDAWS(X)
C***BEGIN PROLOGUE  DDAWS
C***DATE WRITTEN   780401   (YYMMDD)
C***REVISION DATE  820801   (YYMMDD)
C***CATEGORY NO.  C8C
C***KEYWORDS  DAWSONS FUNCTION,DOUBLE PRECISION,SPECIAL FUNCTION
C***AUTHOR  FULLERTON, W., (LANL)
C***PURPOSE  Computes the d.p. Dawson's function.
C***DESCRIPTION
C
C DDAWS(X) calculates the double precision Dawson's integral
C for double precision argument X.
C
C Series for DAW        on the interval  0.          to  1.00000E+00
C                                        with weighted error   8.95E-32
C                                         log weighted error  31.05
C                               significant figures required  30.41
C                                    decimal places required  31.71
C
C Series for DAW2       on the interval  0.          to  1.60000E+01
C                                        with weighted error   1.61E-32
C                                         log weighted error  31.79
C                               significant figures required  31.40
C                                    decimal places required  32.62
C
C Series for DAWA       on the interval  0.          to  6.25000E-02
C                                        with weighted error   1.97E-32
C                                         log weighted error  31.71
C                               significant figures required  29.79
C                                    decimal places required  32.64
C***REFERENCES  (NONE)
C***ROUTINES CALLED  D1MACH,DCSEVL,INITDS,XERROR
C***END PROLOGUE  DDAWS
 
 
