Method reset_cache

crates/openquant/src/microstructural_features.rs:668–674

(&mut self)

    }

    fn reset_cache(&mut self) {
        self.price_diff.clear();
        self.trade_size.clear();
        self.tick_rule.clear();
        self.dollar_size.clear();
        self.log_ret.clear();
    }

    fn apply_tick_rule(&mut self, price: f64) -> f64 {
        let tick_diff = if let Some(prev) = self.prev_price { price - prev } else { 0.0 };