From 8cdb009af953a26f5b079722dcc397a89fa69331 Mon Sep 17 00:00:00 2001
From: Michael Bosse <mbosse@zoox.com>
Date: Wed, 13 Nov 2019 13:13:48 -0800
Subject: [PATCH] missing iosteam header include

---
 gtsam/linear/LossFunctions.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gtsam/linear/LossFunctions.cpp b/gtsam/linear/LossFunctions.cpp
index 80b3e3312..2a82122cd 100644
--- a/gtsam/linear/LossFunctions.cpp
+++ b/gtsam/linear/LossFunctions.cpp
@@ -18,6 +18,8 @@
 
 #include <gtsam/linear/LossFunctions.h>
 
+#include <iostream>
+
 using namespace std;
 
 namespace gtsam {