Function numeric_min_max_f64

nodedb-columnar/src/writer/stats.rs:128–146

Compute min/max for f64 values, skipping nulls.

(values: &[f64], valid: &[bool])

/// Compute min/max for f64 values, skipping nulls.
pub(super) fn numeric_min_max_f64(values: &[f64], valid: &[bool]) -> (f64, f64) {
    let mut min = f64::INFINITY;
    let mut max = f64::NEG_INFINITY;
    for (v, &is_valid) in values.iter().zip(valid.iter()) {
        if is_valid {
            if *v < min {
                min = *v;
            }
            if *v > max {
                max = *v;
            }
        }
    }
    if min == f64::INFINITY {
        (0.0, 0.0)
    } else {
        (min, max)
    }
}