Fix bugs of error C2065: “M_PI” not defined in Windows

icy-blue · web-flow · commit 26714cf0b1fe · 2024-08-28T22:26:11.000+08:00
diff --git a/cpp/patchworkpp/include/patchwork/patchworkpp.h b/cpp/patchworkpp/include/patchwork/patchworkpp.h
@@ -1,6 +1,10 @@
 #ifndef PATCHWORKPP_H
 #define PATCHWORKPP_H
 
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
 #include <iostream>
 #include <vector>
 #include <Eigen/Dense>
