From f3b1543b734e6c23b12f7d56f395f8aff5d7ec52 Mon Sep 17 00:00:00 2001
From: Huamonarch <lanchao103@baosight.com>
Date: Fri, 15 May 2026 16:59:00 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20ensureVarCache=20=E7=A7=BB=E5=88=B0=20ex?=
 =?UTF-8?q?pression=5Fengine.h=20=E5=86=85=E8=81=94=EF=BC=8C=E8=A7=A3?=
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---
 eqpalg/utility/expression_engine.cpp | 6 ------
 eqpalg/utility/expression_engine.h   | 6 ++++++
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/eqpalg/utility/expression_engine.cpp b/eqpalg/utility/expression_engine.cpp
index 4687336..e4ad0c8 100644
--- a/eqpalg/utility/expression_engine.cpp
+++ b/eqpalg/utility/expression_engine.cpp
@@ -35,12 +35,6 @@ ExpressionEngine::ExpressionEngine(std::map<std::string, double>& mm_vars,
   }
 }
 
-// 惰性初始化 VarsCache（首次变量刷新时调用）
-static void ensureVarCache(VarsCache& vc, size_t tag_count) {
-  if (vc.tag_num == 0 && tag_count > 0) {
-    vc.init(tag_count, 6);
-  }
-}
 
 int ExpressionEngine::registerExpression(const std::string& name,
                                           const std::string& raw_exp_str) {
diff --git a/eqpalg/utility/expression_engine.h b/eqpalg/utility/expression_engine.h
index 26b0957..2b3edc0 100644
--- a/eqpalg/utility/expression_engine.h
+++ b/eqpalg/utility/expression_engine.h
@@ -118,6 +118,12 @@ private:
   VarsCache var_cache_;
   static constexpr size_t PV_NUM = 6;
 
+  static void ensureVarCache(VarsCache& vc, size_t tag_count) {
+    if (vc.tag_num == 0 && tag_count > 0) {
+      vc.init(tag_count, 6);
+    }
+  }
+
   // 内部辅助
   int initHoldExpStr(const std::string& exp_str);
 };