public static double[] unboxDoubles(Object src, int srcPos, int len) {
        return unboxDoubles(array(src), srcPos, len);
    }
public static double [ ] unboxDoubles ( Object src , int srcPos , int len ) { return unboxDoubles ( array ( src ) , srcPos , len ) ; }
Transforms any array into an array of {@code double}.
@param src source array
@param srcPos start position
@param len length
@return double array