function [ a, b ] = p21_lim ( )

%*****************************************************************************80
%
%% p21_lim() returns the integration limits for problem 21.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    04 November 2009
%
%  Author:
%
%    John Burkardt
%
%  Output:
%
%    real A, B, the limits of integration.
%
  a = 0.0;
  b = 1.0;

  return
end
