From c0b65b24887bcdeeebc6629b27e944cae37c2733 Mon Sep 17 00:00:00 2001
From: Varun Agrawal <varagrawal@gmail.com>
Date: Mon, 29 Nov 2021 17:34:08 -0500
Subject: [PATCH] Add Eigen/Core header

---
 gtsam/base/serialization.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gtsam/base/serialization.h b/gtsam/base/serialization.h
index 98112b256..24355c684 100644
--- a/gtsam/base/serialization.h
+++ b/gtsam/base/serialization.h
@@ -19,8 +19,9 @@
 
 #pragma once
 
-#include <sstream>
+#include <Eigen/Core>
 #include <fstream>
+#include <sstream>
 #include <string>
 
 // includes for standard serialization types