From cd3e0f37fba6c6fdd1133b4a0fc0c17074572d81 Mon Sep 17 00:00:00 2001
From: Varun Agrawal <varagrawal@gmail.com>
Date: Tue, 8 Oct 2024 23:20:41 -0400
Subject: [PATCH] include sstream in HybridGaussianProductFactor

---
 gtsam/hybrid/HybridGaussianProductFactor.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gtsam/hybrid/HybridGaussianProductFactor.cpp b/gtsam/hybrid/HybridGaussianProductFactor.cpp
index e71201ceb..fc61e1c54 100644
--- a/gtsam/hybrid/HybridGaussianProductFactor.cpp
+++ b/gtsam/hybrid/HybridGaussianProductFactor.cpp
@@ -22,6 +22,8 @@
 #include <gtsam/hybrid/HybridGaussianProductFactor.h>
 #include <gtsam/linear/GaussianFactorGraph.h>
 
+#include <sstream>
+
 namespace gtsam {
 
 using Y = GaussianFactorGraphValuePair;