# include <cppad/cppad.hpp>

bool Default(void)
{	bool ok = true;
	using CppAD::AD;

	// default AD constructor
	AD<double> x, y;

	// check that they are parameters
	ok &= Parameter(x);
	ok &= Parameter(y);

	// assign them values
	x = 3.; 
	y = 4.;

	// just check a simple operation
	ok &= (x + y == 7.);

	return ok;
}