function value = fl18 ( x )

%*****************************************************************************80
%
%% FL18 is the lower limit of integration for x.
%
%  Modified:
%
%    14 February 2003
%
%  Author:
%
%    John Burkardt
%
%  Input:
%
%    real X, the argument.
%
%  Output:
%
%    real VALUE, the function value.
%
  value = -1.0;

  return
end
