function [ a, b, c, w ] = rule00 ( )

%*****************************************************************************80
%
%% rule00() returns the rule of precision 0.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    10 June 2023
%
%  Author:
%
%    John Burkardt
%
%  Reference:
%
%    Hong Xiao, Zydrunas Gimbutas,
%    A numerical algorithm for the construction of efficient
%    quadrature rules in two and higher dimensions, 
%    Computers and Mathematics with Applications,
%    Volume 59, 2010, pages 663-676.
%
%  Output:
%
%    real a(n), b(n), c(n): the barycentric coordinates of quadrature points.
%
%    real w(n): the quadrature weights.
%
  a = [ ...
          0.3333333333333333 ];

  b = [ ...
          0.3333333333333334 ];

  c = [ ...
          0.3333333333333333 ];

  w = [ ...
          1.0000000000000000 ];

  return
end
