From 311137c9580eb35c23ac35b696fafca478334b5e Mon Sep 17 00:00:00 2001
From: Florian Foinant-Willig <flachyjoe@gmail.com>
Date: Mon, 11 Mar 2024 14:12:48 +0100
Subject: [PATCH] fix undeclared M_PI

---
 src/Mod/Sketcher/App/planegcs/Constraints.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Mod/Sketcher/App/planegcs/Constraints.cpp b/src/Mod/Sketcher/App/planegcs/Constraints.cpp
index 4fe4e64a58..c56e652721 100644
--- a/src/Mod/Sketcher/App/planegcs/Constraints.cpp
+++ b/src/Mod/Sketcher/App/planegcs/Constraints.cpp
@@ -24,14 +24,14 @@
 #pragma warning(disable : 4251)
 #endif
 
-#include <math.h>
+#define _USE_MATH_DEFINES
+#include <cmath>
 
 #include <algorithm>
 #define DEBUG_DERIVS 0
 #if DEBUG_DERIVS
 #include <cassert>
 #endif
-#include <cmath>
 
 #include <boost/graph/graph_concepts.hpp>