Function normalize 

pub fn normalize(scores: &mut [f64])

Normalize scores to sum to 1.0. No-op if sum is zero.

Examples

let mut s = vec![2.0, 3.0, 5.0];
graphops::normalize(&mut s);
assert!((s[0] - 0.2).abs() < 1e-12);
assert!((s[2] - 0.5).abs() < 1e-12);