DERFC(3)

SYNOPSIS
DOUBLE PRECISION FUNCTION DERFC (X)

NAME
derfc - Compute the complementary error function.

LIBRARY
SLATEC (FNLIB)

CATEGORY
C8A, L5A1E

TYPE
DOUBLE PRECISION (ERFC-S, DERFC-D)

KEYWORDS
COMPLEMENTARY ERROR FUNCTION, ERFC, FNLIB, SPECIAL FUNCTIONS

AUTHOR
Fullerton, W., (LANL)

DESCRIPTION
DERFC(X) calculates the double precision complementary error function for double precision argument X. Series for ERF on the interval 0. to 1.00000E+00 with weighted Error 1.28E-32 log weighted Error 31.89 significant figures required 31.05 decimal places required 32.55 Series for ERC2 on the interval 2.50000E-01 to 1.00000E+00 with weighted Error 2.67E-32 log weighted Error 31.57 significant figures required 30.31 decimal places required 32.42 Series for ERFC on the interval 0. to 2.50000E-01 with weighted error 1.53E-31 log weighted error 30.82 significant figures required 29.47 decimal places required 31.70

REFERENCES
(NONE)

ROUTINES CALLED
D1MACH, DCSEVL, INITDS, XERMSG

REVISION HISTORY (YYMMDD)
770701 DATE WRITTEN
890531 Changed all specific intrinsics to generic. (WRB)
890531 REVISION DATE from Version 3.2
891214 Prologue converted to Version 4.0 format. (BAB)
900315 CALLs to XERROR changed to CALLs to XERMSG. (THJ)
920618 Removed space from variable names. (RWC, WRB)