From 266fd79e15b2aab5a61f1d10ea06c0970aa1d55c Mon Sep 17 00:00:00 2001
From: jerryzeng <laohong_0908@qq.com>
Date: Thu, 17 Jul 2025 21:19:32 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E4=BA=86M=5FPI=E7=9A=84?=
 =?UTF-8?q?=E5=AE=9A=E4=B9=89?=
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---
 sourceCode/SG_baseFunc.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sourceCode/SG_baseFunc.cpp b/sourceCode/SG_baseFunc.cpp
index 19cce52..ee8686f 100644
--- a/sourceCode/SG_baseFunc.cpp
+++ b/sourceCode/SG_baseFunc.cpp
@@ -7,6 +7,11 @@
 #include <math.h>
 #endif // __WIN32
 
+#ifndef M_PI
+#define M_PI 3.141592654
+#endif // !M_PI
+
+
 #include <cmath>
 
 SVzNL3DRangeD sg_getScanDataROI(