From 10caa759d6b3c4ea64519bb3c266a4fe331d32a0 Mon Sep 17 00:00:00 2001
From: Ivan Jimenez <ijimenez3@gatech.edu>
Date: Thu, 11 Feb 2016 23:33:33 -0500
Subject: [PATCH] [COMMENT] Added missing class-level comment.

---
 gtsam_unstable/linear/EqualityFactorGraph.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/gtsam_unstable/linear/EqualityFactorGraph.h b/gtsam_unstable/linear/EqualityFactorGraph.h
index 194da5661..7feb705ef 100644
--- a/gtsam_unstable/linear/EqualityFactorGraph.h
+++ b/gtsam_unstable/linear/EqualityFactorGraph.h
@@ -22,7 +22,10 @@
 #include <gtsam_unstable/linear/LinearEquality.h>
 
 namespace gtsam {
-
+/**
+ * This class is used to represent an equality constraint on
+ * a Programming problem of the form Ax = b.
+ */
 class EqualityFactorGraph : public FactorGraph<LinearEquality> {
 public:
   typedef boost::shared_ptr<EqualityFactorGraph> shared_ptr;