From 5d447d9bb0a242da61350400aceaba123778786d Mon Sep 17 00:00:00 2001
From: matlabbe <matlabbe@gmail.com>
Date: Sun, 11 Oct 2026 10:49:07 -0700
Subject: [PATCH] fixing M_PI not defined in tests

---
 corelib/test/test_imumotionpredictor.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/corelib/test/test_imumotionpredictor.cpp b/corelib/test/test_imumotionpredictor.cpp
index b60b42a6..48c61cc0 100644
--- a/corelib/test/test_imumotionpredictor.cpp
+++ b/corelib/test/test_imumotionpredictor.cpp
@@ -1,3 +1,7 @@
+// M_PI on MSVC (must come before any header including <cmath>)
+#ifndef _USE_MATH_DEFINES
+#define _USE_MATH_DEFINES
+#endif
 #include <gtest/gtest.h>
 
 #include <cmath>