Variables
	float64 x0 in [-2,2],
	float64 x1 in [-2,2],
	float64 x2 in [-2,2];

Expressions
	filter3 rnd32 = ((((0.7 * x2) - (1.3 * x1)) + (1.1 * x0))+(1.4 * (((0.7 * x1) - (1.3 * x0)) + (1.4 * (0.7 * x0))))) - (0.7 * (0.7 * x0));
