跳过无需求的滚动计算

2026-08-28 15:15:18 +08:00
parent 56511f9d15
commit c1e7fc91e4
1 changed files with 14 additions and 8 deletions
@@ -1966,14 +1966,20 @@ impl DataSet {
        volume_lookbacks: &[usize; 5],
        include_now: bool,
    ) -> StandardRollingMeans {
-        let close = self
-            .adjusted_close_series_by_symbol_id(symbol_id)
-            .map(|series| series.moving_averages(date, close_lookbacks, include_now))
-            .unwrap_or([None; 7]);
-        let volume = self
-            .market_series_by_symbol_id(symbol_id)
-            .map(|series| series.volume_moving_averages(date, volume_lookbacks, include_now))
-            .unwrap_or([None; 5]);
+        let close = if close_lookbacks.iter().any(|lookback| *lookback > 0) {
+            self.adjusted_close_series_by_symbol_id(symbol_id)
+                .map(|series| series.moving_averages(date, close_lookbacks, include_now))
+                .unwrap_or([None; 7])
+        } else {
+            [None; 7]
+        };
+        let volume = if volume_lookbacks.iter().any(|lookback| *lookback > 0) {
+            self.market_series_by_symbol_id(symbol_id)
+                .map(|series| series.volume_moving_averages(date, volume_lookbacks, include_now))
+                .unwrap_or([None; 5])
+        } else {
+            [None; 5]
+        };
        StandardRollingMeans { close, volume }
    }