el_finder.f90

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module el_finder
  use num_types, only : rp
  use stack, only: stack_i4_t
  use point, only: point_t
  implicit none
  private
 
  type, public, abstract :: el_finder_t
   contains
     procedure(el_finder_free), pass(this), deferred :: free
     procedure(el_finder_find), pass(this), deferred :: find
     procedure(el_finder_find_batch), pass(this), deferred :: find_batch
  end type el_finder_t
 
  abstract interface
     subroutine el_finder_free(this)
       import el_finder_t
       class(el_finder_t), intent(inout) :: this
     end subroutine el_finder_free
  end interface
 
  abstract interface
     subroutine el_finder_find(this, my_point, el_candidates)
       import rp
       import stack_i4_t
       import point_t
       import el_finder_t
       implicit none
       class(el_finder_t), intent(inout) :: this
       type(point_t), intent(in) :: my_point
       type(stack_i4_t), intent(inout) :: el_candidates
     end subroutine el_finder_find
  end interface
 
  abstract interface
     subroutine el_finder_find_batch(this, points, n_points, all_el_candidates, n_el_cands)
       import rp
       import stack_i4_t
       import point_t
       import el_finder_t
       implicit none
       class(el_finder_t), intent(inout) :: this
       integer, intent(in) :: n_points
       real(kind=rp), intent(in) :: points(3,n_points)
       type(stack_i4_t), intent(inout) :: all_el_candidates
       integer, intent(inout) :: n_el_cands(n_points)
     end subroutine el_finder_find_batch
  end interface
end module el_finder