function value = quadratic ( x )

%*****************************************************************************80
%
%% quadratic evaluates a quadratic function.
%
%  Discussion:
%
%    There is a root between 1 and 2.
%
%  Licensing:
%
%    This code is distributed under the GNU LGPL license.
%
%  Modified:
%
%    14 September 2019
%
%  Input:
%
%    real x, the argument.
%
%  Output:
%
%    real value, the function value.
%
  value = x.^2 - 2.0;

  return
end

