REAL FUNCTION EXPW86SUP ( WGT2, RHO, GRHO, WK0, WK1 )

Argument Definitions (+ indicates altered content)
REAL*8             GRHO(*),    RHO(*),     WGT2(*),   +WK0(*)
REAL*8             WK1(*)
Description
                                                                        * 
  Copyright (C) 2010 Jacek Kobus                    * 
                                                                        * 
  This program is free software; you can redistribute it and/or modify  * 
  it under the terms of the GNU General Public License version 2 as     * 
  published by the Free Software Foundation.                            * 
                                                                        * 
 
### expw86sup ### 
    Calculates exchange energy according to a formula of Parr and Wang 
    Yue (PRB 33 (1986) 8800)
Source file:expw86sup.f
Intrinsic Functions Called
GENERIC*8          ABS,        SQRT
External Functions and Subroutines Called
REAL*8             DOT
SUBROUTINE         MULTF4
Parameter Variables Used
REAL*8             CONST23            (CONST23 = 2.D0/3.D0)
REAL*8             CONST43            (CONST43 = 4.D0/3.D0)
REAL*8             CONST83            (CONST83 = 8.D0/3.D0)
REAL*8             CONST115           (CONST115 = 1.D0/15.D0)
REAL*8             A                  (A = 1.296D0)
REAL*8             B                  (B = 14.D0)
REAL*8             C                  (C = 0.2D0)
Local Variables (+ indicates altered content)
INTEGER           +I
REAL*8            +CONST,     +FGGA,      +S,         +S2
Referenced Common Block Variables (+ indicates altered content)
CONSFP             REAL*8             ONE,       PII
CONSFP             REAL*8             PRECIS
CONSINT            INTEGER            IONE
GRIDI              INTEGER            MXSIZE