function value = mu_3d_chebyzero ( sx, sy, sz )

%*****************************************************************************80
%
%% MU_3D_CHEBYZERO returns the 3D tensor product Chebyshev Zero Node density.
%
%  Licensing:
%
%    This code is distributed under the GNU LGPL license.
%
%  Modified:
%
%    17 October 2016
%
%  Author:
%
%    John Burkardt
%
%  Parameters:
%
%    Input, real SX(*), SY(*), SZ(*), evaluation points in [-1,+1]x[-1,+1]x[-1,+1].
%
%    Output, real VALUE(*), the density function values.
%
  value = mu_chebyzero ( sx ) .* mu_chebyzero ( sy ) .* mu_chebyzero ( sz );

  return
end

