From e66509ba86ee0ef50589a8fc56f650fb1a731542 Mon Sep 17 00:00:00 2001
From: dellaert <dellaert@cc.gatech.edu>
Date: Thu, 16 May 2019 20:49:52 -0400
Subject: [PATCH] Add return argument

---
 gtsam.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gtsam.h b/gtsam.h
index 0893cf661..686203748 100644
--- a/gtsam.h
+++ b/gtsam.h
@@ -2140,7 +2140,7 @@ virtual class NonlinearOptimizer {
   double error() const;
   int iterations() const;
   gtsam::Values values() const;
-  void iterate() const;
+  gtsam::GaussianFactorGraph* iterate() const;
 };
 
 #include <gtsam/nonlinear/GaussNewtonOptimizer.h>