function [ a, b ] = p31_lim ( )

%*****************************************************************************80
%
%% p31_lim() returns the integration limits for problem 31.
%
%  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 = - 4.0;
  b =   4.0;

  return
end
