public static double quadratic2( double g0 , double x0 , double g1  , double x1 ) {

		return x0 + (g0/(g0-g1))*(x1-x0);
	}
public static double quadratic2 ( double g0 , double x0 , double g1 , double x1 ) { return x0 + ( g0 / ( g0 - g1 ) ) * ( x1 - x0 ) ; }
<p>
Quadratic interpolation using two derivatives.
</p>

@param g0 Derivative f'(x0)
@param x0 First sample point
@param g1 Derivative f'(x1)
@param x1 Second sample point
@return Interpolated point