From 8e35490f2249483e65de3b2d65183e5dad19b962 Mon Sep 17 00:00:00 2001
From: Alex Cunningham <alexgcunningham@gmail.com>
Date: Mon, 4 Nov 2013 21:29:12 +0000
Subject: [PATCH] Added virtual destructor to pacify a warning

---
 gtsam/linear/GaussianFactor.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gtsam/linear/GaussianFactor.h b/gtsam/linear/GaussianFactor.h
index 92bc246e1..969529c78 100644
--- a/gtsam/linear/GaussianFactor.h
+++ b/gtsam/linear/GaussianFactor.h
@@ -47,6 +47,9 @@ namespace gtsam {
     template<typename CONTAINER>
     GaussianFactor(const CONTAINER& keys) : Base(keys) {}
 
+    /** Destructor */
+    virtual ~GaussianFactor() {}
+
     // Implementing Testable interface
     virtual void print(const std::string& s = "",
         const KeyFormatter& formatter = DefaultKeyFormatter) const = 0;