function value = mu_2d_chebyzero ( sx, sy )

%*****************************************************************************80
%
%% MU_2D_CHEBYZERO returns the 2D tensor product Chebyshev Zero Node density.
%
%  Licensing:
%
%    This code is distributed under the GNU LGPL license.
%
%  Modified:
%
%    11 September 2016
%
%  Author:
%
%    John Burkardt
%
%  Parameters:
%
%    Input, real SX(*), SY(*), evaluation points in [-1,+1]x[-1,+1].
%
%    Output, real VALUE(*), the density function values.
%
  value = mu_chebyzero ( sx ) .* mu_chebyzero ( sy );

  return
end

