potksu.f90

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! Copyright (C) 2018 T. Mueller, J. K. Dewhurst, S. Sharma and E. K. U. Gross.
! This file is distributed under the terms of the GNU General Public License.
! See the file COPYING for license details.
 
subroutine potksu
use modmain
use modulr
implicit none
! local variables
real(8) ts0,ts1
call timesec(ts0)
! compute the ultra long-range Coulomb potential
call potcoulu
! compute the ultra long-range dipole-dipole magnetic field if required
if (tbdipu) call bdipoleu
! compute the ultra long-range exchange-correlation potential and fields
call potxcu
! reduce the external magnetic field if required
if (reducebf < 1.d0) then
  bfcq(:,:)=bfcq(:,:)*reducebf
  bfcmtq(:,:,:)=bfcmtq(:,:,:)*reducebf
end if
call timesec(ts1)
timepot=timepot+ts1-ts0
end subroutine