function f = p19_f ( x )

%*****************************************************************************80
%
%% p19_f() evaluates the objective function for test 19.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    23 February 2026
%
%  Author:
%
%    John Burkardt
%
%  Input:
%
%    real x: the argument.
%
%  Output:
%
%    real f: the function value.
%
  f = 2.3 + ( exp ( 3.0 - x ) + 4.0 * ( x - 2.0 ) ).^2;

  return
end

