pub fn samp<T>(z: &Vec<Complex<T>>, n: usize, eps: T) -> Vec<Complex<T>>where T: Clone + Num + Float + From<f64>, Complex<T>: Add<Complex<T>, Output = Complex<T>> + Mul<Complex<T>, Output = Complex<T>> + From<T>,
convert a vec of points into samples of n points around each in a circle with magnitude eps
n
eps