REAL FUNCTION EXBE88SUP ( 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.                            * 
                                                                        * 
 
### exbe88sup ### 
    Calculates exchange energy according to Becke's gradient formula 
    (PRA 88 (1988) 3098-3100)
Source file:exbe88sup.f
Intrinsic Functions Called
GENERIC*8          ABS
GENERIC*4          LOG
GENERIC*8          SQRT
Statement functions Defined
REAL*8            +ASH
External Functions and Subroutines Called
REAL*8             DOT
SUBROUTINE         MULTF4
Parameter Variables Used
REAL*8             CONST43            (CONST43 = 4.D0/3.D0)
REAL*8             BBETA              (BBETA = 0.0042)
Local Variables (+ indicates altered content)
INTEGER           +I
REAL*8            +RHO43,     +S,         +S2
Referenced Common Block Variables (+ indicates altered content)
CONSFP             REAL*8             ONE,       PRECIS
CONSINT            INTEGER            IONE
GRIDI              INTEGER            MXSIZE