SUBROUTINE PREPWEXCH ( )

Description
                                                                        * 
  Copyright (C) 1996 Leif Laaksonen, Dage Sundholm                      * 
  Copyright (C) 1996-2010 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.                            * 
                                                                        * 
 
### prepwexch ### 
  Prepears data for writing exchange potentials involving a given 
  orbital (see wtdexch).
Source file:prepwexch.f
Local Variables (+ indicates altered content)
INTEGER           +IORB1,     +IORB2,     +K
Referenced Common Block Variables (+ indicates altered content)
ADDRESS6           INTEGER            I3XK(60,60)
ADDRESS6           INTEGER           +IWEXCH(1860)
CONFIG             INTEGER            NORB