internal_data_deallocate Subroutine

   SUBROUTINE internal_data_deallocate(area)
      !! Allocates pointers in the data type

      TYPE(dbcsr_data_area_type), INTENT(INOUT)          :: area
         !! internal structure holding array pointers

      CHARACTER(len=*), PARAMETER :: routineN = 'internal_data_deallocate'

      INTEGER                                            :: handle

!   ---------------------------------------------------------------------------

      IF (careful_mod) &
         CALL timeset(routineN, handle)

      SELECT CASE (area%data_type)
      CASE (dbcsr_type_int_4)
         CALL memory_deallocate(area%i4, mem_type=area%memory_type)
         NULLIFY (area%i4)
      CASE (dbcsr_type_int_8)
         CALL memory_deallocate(area%i8, mem_type=area%memory_type)
         NULLIFY (area%i8)
      CASE (dbcsr_type_real_4)
         CALL memory_deallocate(area%r_sp, mem_type=area%memory_type)
         NULLIFY (area%r_sp)
      CASE (dbcsr_type_real_8)
         CALL memory_deallocate(area%r_dp, mem_type=area%memory_type)
         NULLIFY (area%r_dp)
      CASE (dbcsr_type_complex_4)
         CALL memory_deallocate(area%c_sp, mem_type=area%memory_type)
         NULLIFY (area%c_sp)
      CASE (dbcsr_type_complex_8)
         CALL memory_deallocate(area%c_dp, mem_type=area%memory_type)
         NULLIFY (area%c_dp)

      CASE (dbcsr_type_real_4_2d)
         CALL memory_deallocate(area%r2_sp, mem_type=area%memory_type)
         NULLIFY (area%r2_sp)
      CASE (dbcsr_type_real_8_2d)
         CALL memory_deallocate(area%r2_dp, mem_type=area%memory_type)
         NULLIFY (area%r2_dp)
      CASE (dbcsr_type_complex_4_2d)
         CALL memory_deallocate(area%c2_sp, mem_type=area%memory_type)
         NULLIFY (area%c2_sp)
      CASE (dbcsr_type_complex_8_2d)
         CALL memory_deallocate(area%c2_dp, mem_type=area%memory_type)
         NULLIFY (area%c2_dp)

      CASE default
         DBCSR_ABORT("Invalid data type.")
      END SELECT

      IF (area%memory_type%acc_devalloc) THEN
         IF (acc_devmem_allocated(area%acc_devmem)) &
            CALL acc_devmem_deallocate(area%acc_devmem)
         CALL acc_event_destroy(area%acc_ready)
      END IF

      IF (careful_mod) &
         CALL timestop(handle)
   END SUBROUTINE internal_data_deallocate