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-rw-r--r--libavutil/tree.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavutil/tree.h b/libavutil/tree.h
index 9450d96653..111ea81a04 100644
--- a/libavutil/tree.h
+++ b/libavutil/tree.h
@@ -21,6 +21,8 @@
/**
* @file tree.h
* A tree container.
+ * Insertion, Removial, Finding equal, largest which is smaller than and
+ * smallest which is larger than all have O(log n) worst case time.
* @author Michael Niedermayer <michaelni@gmx.at>
*/