!***********************************************************************
! This file is part of OpenMolcas.                                     *
!                                                                      *
! OpenMolcas is free software; you can redistribute it and/or modify   *
! it under the terms of the GNU Lesser General Public License, v. 2.1. *
! OpenMolcas is distributed in the hope that it will be useful, but it *
! is provided "as is" and without any express or implied warranties.   *
! For more details see the full text of the license in the file        *
! LICENSE or in <http://www.gnu.org/licenses/>.                        *
!***********************************************************************

subroutine ShfANM(nInter,nIter,rInt,Shift)

use Definitions, only: wp, iwp

implicit none
integer(kind=iwp), intent(in) :: nInter, nIter
real(kind=wp), intent(in) :: rInt(nInter,nIter)
real(kind=wp), intent(inout) :: Shift(nInter,nIter)
integer(kind=iwp) :: Iter

if (nIter == 1) return

#ifdef _DEBUGPRINT_
call RecPrt(' ShfANM: rInt',' ',rInt,nInter,nIter)
#endif

! Shifts: dq = q   -q
!           n   n+1  n

do Iter=1,nIter-1
  Shift(:,Iter) = rInt(:,Iter+1)-rInt(:,Iter)
end do

#ifdef _DEBUGPRINT_
call RecPrt(' In ShfANM: New Shifts',' ',Shift,nInter,nIter-1)
#endif

return

end subroutine ShfANM
