torch_tensor_get_shape Function

  function torch_tensor_get_shape(self) result(sizes)
    use, intrinsic :: iso_c_binding, only : c_f_pointer, c_int, c_long, c_long_long, c_ptr
    class(torch_tensor), intent(in) :: self         !! Tensor to get the shape of
#ifdef UNIX
    integer(kind=c_long), pointer :: sizes(:)       !! Pointer to tensor data
#else
    integer(kind=c_long_long), pointer :: sizes(:)  !! Pointer to tensor data
#endif

    ! Local data
    integer(kind=int32) :: ndims(1)
    type(c_ptr) :: cptr

    interface
      function torch_tensor_get_sizes_c(tensor_c) result(sizes_c) &
          bind(c, name = 'torch_tensor_get_sizes')
        use, intrinsic :: iso_c_binding, only : c_int, c_long, c_ptr
        implicit none
        type(c_ptr), value, intent(in) :: tensor_c
        type(c_ptr) :: sizes_c
      end function torch_tensor_get_sizes_c
    end interface

    if (.not. c_associated(self%p)) then
      write(*,*) "Error :: tensor has not been constructed so its shape is unset"
      stop 1
    end if
    ndims(1) = self%get_rank()
    cptr = torch_tensor_get_sizes_c(self%p)
    call c_f_pointer(cptr, sizes, ndims)
  end function torch_tensor_get_shape