From 4d1177698794d84164604d532ada1adaf2c62789 Mon Sep 17 00:00:00 2001
From: Karen Haining <khaining@cs.washington.edu>
Date: Thu, 11 Aug 2022 21:50:48 -0700
Subject: [PATCH] add previous attitude class

---
 src/star-utils.hpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/star-utils.hpp b/src/star-utils.hpp
index 4b5d5214..587dfe71 100644
--- a/src/star-utils.hpp
+++ b/src/star-utils.hpp
@@ -60,6 +60,16 @@ const CatalogStar *findNamedStar(const Catalog &, int name);
 // (so 523 = 5.23)
 Catalog NarrowCatalog(const Catalog &, int maxMagnitude, int maxStars);
 
+// for tracking mode
+class PrevAttitude {
+public:
+    PrevAttitude(Attitude prev, float uncertainty)
+        : prev(prev), uncertainty(uncertainty) { };
+
+    Attitude prev;
+    float uncertainty;
+};
+
 }
 
 #endif