torch_tensor_get_rank Function

  function torch_tensor_get_rank(self) result(rank)
    class(torch_tensor), intent(in) :: self  !! Tensor to get the rank of
    integer(kind=int32) :: rank              !! Rank of tensor

    interface
      function torch_tensor_get_rank_c(tensor_c) result(rank_c) &
          bind(c, name = 'torch_tensor_get_rank')
        use, intrinsic :: iso_c_binding, only : c_int, c_ptr
        implicit none
        type(c_ptr), value, intent(in) :: tensor_c
        integer(c_int) :: rank_c
      end function torch_tensor_get_rank_c
    end interface

    if (.not. c_associated(self%p)) then
      write(*,*) "Error :: tensor has not been constructed so its rank is unset"
      stop 1
    end if
    rank = torch_tensor_get_rank_c(self%p)
  end function torch_tensor_get_rank