trend_relationship

// Adaptive trend relationship between two configurable smoothers (build via build_typed with fast_kind/slow_kind params: ema|sma|rma|alma|jma)
// Defaults of "trend_relationship" (see the indicator reference)
let params = HashMap::from([
    ("fast_len".to_string(), 9.0),
    ("slow_len".to_string(), 21.0),
]);
let mut indicator = build_checked("trend_relationship", &params)?;

for bar in &bars {
    if let Some(output) = indicator.on_bar(bar) {
        // output.value, output.extra[...], indicator.alerts()
    }
}