Function is_log_axis

crates/plotlars-plotters/src/render/axis.rs:53–57

(axis: &Option<Axis>)

// ── Log-axis helpers ────────────────────────────────────────────────────

pub(super) fn is_log_axis(axis: &Option<Axis>) -> bool {
    axis.as_ref()
        .and_then(|a| a.axis_type.as_ref())
        .is_some_and(|t| matches!(t, AxisType::Log))
}

/// Transform a range to log10 space, clamping the lower bound to a positive value.
pub(super) fn log_range(min: f64, max: f64) -> (f64, f64) {