function checksum = polygon_minkowski_checksum ( u )

%*****************************************************************************80
%
%% polygon_minkowski_checksum() computes the Minkowski polygon checksum.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    25 November 2024
%
%  Author:
%
%    John Burkardt
%
%  Input:
%
%    real u(n,2): the Minkowski polygon representation.
%
%  Output:
%
%    real checksum: the Minkowski polygon checksum.
%
  checksum = sum ( u, 1 );

  return
end

