pe_finder.f90

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module pe_finder
  use num_types, only: rp, dp, xp
  use neko_config, only : neko_bcknd_device
  use stack, only: stack_i4_t
  use mpi_f08, only: mpi_comm
  use point, only: point_t
  implicit none
  private
 
  type, public, abstract :: pe_finder_t
     integer :: pe_size
     integer :: pe_rank
     type(mpi_comm):: comm
   contains
     procedure(pe_finder_free), pass(this), deferred :: free
     procedure(pe_finder_find), pass(this), deferred :: find
     procedure(pe_finder_find_batch), pass(this), deferred :: find_batch
  end type pe_finder_t
 
  abstract interface
     subroutine pe_finder_free(this)
       import pe_finder_t
       class(pe_finder_t), intent(inout) :: this
     end subroutine pe_finder_free
  end interface
 
  abstract interface
     subroutine pe_finder_find(this, my_point, pe_candidates)
       import rp
       import stack_i4_t
       import point_t
       import pe_finder_t
       implicit none
       class(pe_finder_t), intent(inout) :: this
       type(point_t), intent(in) :: my_point
       type(stack_i4_t), intent(inout) :: pe_candidates
     end subroutine pe_finder_find
  end interface
  abstract interface
     subroutine pe_finder_find_batch(this, points, n_points, points_at_pe, n_points_pe)
       import rp
       import stack_i4_t
       import point_t
       import pe_finder_t
       implicit none
       class(pe_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) :: points_at_pe(0:(this%pe_size-1))
       integer, intent(inout) :: n_points_pe(0:(this%pe_size-1))
     end subroutine pe_finder_find_batch
  end interface
 
end module pe_finder