From 43c275c6e2152a6609e26c046891309e5f79c572 Mon Sep 17 00:00:00 2001
From: Todd Gruben <tgruben@umbel.com>
Date: Fri, 23 Jun 2017 16:03:56 -0500
Subject: [PATCH] extended bitmap.optimize() to look at run containers

---
 roaring/roaring.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/roaring/roaring.go b/roaring/roaring.go
index 87a8bf277..03a9430e2 100644
--- a/roaring/roaring.go
+++ b/roaring/roaring.go
@@ -1328,10 +1328,15 @@ func (c *container) Optimize() {
 		}
 	} else if c.isBitmap() {
 		runs := c.bitmapCountRuns()
-		if runs < 2048 {
+		if runs < RunMaxSize {
 			c.bitmapToRun()
 		}
+	} else if c.isRun() {
+		if len(c.runs) > RunMaxSize {
+			c.runToBitmap()
+		}
 	}
+
 }
 
 func (c *container) arrayContains(v uint32) bool {