From b6709a3a0936e7dfa9192cf6cd73b40d562fc7f8 Mon Sep 17 00:00:00 2001
From: Giovanni Bussi <giovanni.bussi@gmail.com>
Date: Fri, 18 Oct 2024 14:44:21 +0200
Subject: [PATCH] Fixed possibly uninitialized variable

See #1143

This variable is uninizialized if one passes SELECTOR but not SELECTOR_ID.
With this fix, SELECTOR_ID has a default value (0).
---
 src/bias/PBMetaD.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/bias/PBMetaD.cpp b/src/bias/PBMetaD.cpp
index cafe7533e1..8251a350d2 100644
--- a/src/bias/PBMetaD.cpp
+++ b/src/bias/PBMetaD.cpp
@@ -639,6 +639,7 @@ PBMetaD::PBMetaD(const ActionOptions& ao):
   parse("SELECTOR", selector_);
   if(selector_.length()>0) {
     do_select_ = true;
+    select_value_ = 0; // set defalt value or it might be not initialized if the user does not pass SELECTOR_ID
     parse("SELECTOR_ID", select_value_);
   }