Method new

src/mediancut.rs:29–36

(hist: &'hist mut [HistItem])

impl<'hist> MBox<'hist> {
    pub fn new(hist: &'hist mut [HistItem]) -> Self {
        let weight_sum = hist.iter().map(|item| {
            debug_assert!(item.adjusted_weight.is_finite());
            debug_assert!(item.adjusted_weight > 0.);
            f64::from(item.adjusted_weight)
        }).sum();
        Self::new_inner(hist, weight_sum, weighed_average_color(hist))
    }

    fn from_split(hist: &'hist mut [HistItem], adjusted_weight_sum: f64) -> Self {
        debug_assert!(!hist.is_empty());