fn low()

in histogram/src/histogram.rs [354:366]

• 12 lines of code
• 2 McCabe index (conditional complexity)

    fn low(&self, idx: usize) -> u64 {
        let idx = idx as u64;
        let m = self.m as u64;
        let r = self.r as u64;
        let g = idx >> (self.r - self.m - 1);
        let b = idx - g * self.G;

        if g < 1 {
            (1 << m) * b
        } else {
            (1 << (r + g - 2)) + (1 << (m + g - 1)) * b
        }
    }