# daws.f

          FUNCTION DAWS (X)
    C***BEGIN PROLOGUE  DAWS
    C***PURPOSE  Compute Dawson's function.
    C***LIBRARY   SLATEC (FNLIB)
    C***CATEGORY  C8C
    C***TYPE      SINGLE PRECISION (DAWS-S, DDAWS-D)
    C***KEYWORDS  DAWSON'S FUNCTION, FNLIB, SPECIAL FUNCTIONS
    C***AUTHOR  Fullerton, W., (LANL)
    C***DESCRIPTION
    C
    C DAWS(X) calculates Dawson's integral for real argument X.
    C
    C Series for DAW        on the interval  0.          to  1.00000D+00
    C                                        with weighted error   3.83E-17
    C                                         log weighted error  16.42
    C                               significant figures required  15.78
    C                                    decimal places required  16.97
    C
    C Series for DAW2       on the interval  0.          to  1.60000D+01
    C                                        with weighted error   5.17E-17
    C                                         log weighted error  16.29
    C                               significant figures required  15.90
    C                                    decimal places required  17.02
    C
    C Series for DAWA       on the interval  0.          to  6.25000D-02
    C                                        with weighted error   2.24E-17
    C                                         log weighted error  16.65
    C                               significant figures required  14.73
    C                                    decimal places required  17.36
    C
    C***REFERENCES  (NONE)
    C***ROUTINES CALLED  CSEVL, INITS, R1MACH, XERMSG
    C***REVISION HISTORY  (YYMMDD)
    C   780401  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   920618  Removed space from variable names.  (RWC, WRB)
    C***END PROLOGUE  DAWS