ddaws.f
DOUBLE PRECISION FUNCTION DDAWS (X)
C***BEGIN PROLOGUE DDAWS
C***PURPOSE Compute Dawson's function.
C***LIBRARY SLATEC (FNLIB)
C***CATEGORY C8C
C***TYPE DOUBLE PRECISION (DAWS-S, DDAWS-D)
C***KEYWORDS DAWSON'S FUNCTION, FNLIB, SPECIAL FUNCTIONS
C***AUTHOR Fullerton, W., (LANL)
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
C***REFERENCES (NONE)
C***ROUTINES CALLED D1MACH, DCSEVL, INITDS, 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 DDAWS