From 86645bdd4d7d26811450edc9543369aac79b771e Mon Sep 17 00:00:00 2001
From: Yoshua Nava <yoshua.nava.chocron@gmail.com>
Date: Mon, 30 Mar 2026 10:56:04 +0200
Subject: [PATCH] Fix missing <bitset> include for hybrid test

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

diff --git a/gtsam/hybrid/tests/testHybridEstimation.cpp b/gtsam/hybrid/tests/testHybridEstimation.cpp
index a0195d0c56..6c14a63091 100644
--- a/gtsam/hybrid/tests/testHybridEstimation.cpp
+++ b/gtsam/hybrid/tests/testHybridEstimation.cpp
@@ -35,6 +35,8 @@
 // Include for test suite
 #include <CppUnitLite/TestHarness.h>
 
+#include <bitset>
+
 #include "Switching.h"
 
 using namespace std;