FUNCTION {{p}}repl_calc
  IMPORTING
    iv_stock         TYPE decfloat34
    iv_reorder_point TYPE decfloat34
    iv_target_stock  TYPE decfloat34
    iv_pack_size     TYPE decfloat34
    iv_min_qty       TYPE decfloat34
  EXPORTING
    ev_qty           TYPE decfloat34
  EXCEPTIONS
    invalid_pack_size.

  IF iv_pack_size <= 0.
    RAISE invalid_pack_size.
  ENDIF.

  ev_qty = NEW {{p}}cl_repl( )->calculate(
             iv_stock         = iv_stock
             iv_reorder_point = iv_reorder_point
             iv_target_stock  = iv_target_stock
             iv_pack_size     = iv_pack_size
             iv_min_qty       = iv_min_qty ).

ENDFUNCTION.