From 4f2615aeeb557c194bf59793c120f10f258c1ef1 Mon Sep 17 00:00:00 2001
From: Frank Dellaert <dellaert@gmail.com>
Date: Tue, 3 Jan 2023 15:15:21 -0500
Subject: [PATCH] Fix loop variable

---
 gtsam/base/Vector.cpp | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/gtsam/base/Vector.cpp b/gtsam/base/Vector.cpp
index 658ab9a0d..16d913a96 100644
--- a/gtsam/base/Vector.cpp
+++ b/gtsam/base/Vector.cpp
@@ -299,17 +299,14 @@ weightedPseudoinverse(const Vector& a, const Vector& weights) {
 }
 
 /* ************************************************************************* */
-Vector concatVectors(const std::list<Vector>& vs)
-{
+Vector concatVectors(const std::list<Vector>& vs) {
   size_t dim = 0;
-  for(Vector v: vs)
-  dim += v.size();
+  for (const Vector& v : vs) dim += v.size();
 
   Vector A(dim);
   size_t index = 0;
-  for(Vector v: vs) {
-    for(int d = 0; d < v.size(); d++)
-      A(d+index) = v(d);
+  for (const Vector& v : vs) {
+    for (int d = 0; d < v.size(); d++) A(d + index) = v(d);
     index += v.size();
   }