# 1 "<stdin>"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "<stdin>"
module copy
! simplest operator possible - identity matrix
  use adj_mod
implicit none
  contains
  function copy_lop ( adj, add, x, y) result(stat)
    integer :: stat
    logical,intent(in) :: adj,add
    real,dimension(:) :: x,y
    call adjnull (adj,add,x,y )
    call copy_lop2(adj,add,x,y )
    stat=0
  end function
  subroutine copy_lop2(adj,add,x,y)
    logical,intent(in) :: adj,add
    real, dimension (:) :: x
    real, dimension (:) :: y
    if (adj) then
      x = x + y
    else
      y = y + x
    end if
  end subroutine
  subroutine copy_close()
  end subroutine
end module