From 1736a40b74a098e8e1ef637e1e1d4ef17639c972 Mon Sep 17 00:00:00 2001
From: Todd Gruben <tgruben@umbel.com>
Date: Fri, 15 Sep 2017 15:34:15 -0500
Subject: [PATCH] check for array conversion to intersectbitmapbitmap

---
 roaring/roaring.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/roaring/roaring.go b/roaring/roaring.go
index 53c07e347..046f97d4a 100644
--- a/roaring/roaring.go
+++ b/roaring/roaring.go
@@ -2122,6 +2122,9 @@ func intersectBitmapBitmap(a, b *container) *container {
 		output.n += int(popcount(v))
 
 	}
+	if output.n < ArrayMaxSize {
+		output.bitmapToArray()
+	}
 	return output
 }