From ad7d8f183a09d7a9e5fa828b6aeb58aaab84abc7 Mon Sep 17 00:00:00 2001
From: acxz <17132214+acxz@users.noreply.github.com>
Date: Mon, 14 Jun 2021 16:25:15 -0400
Subject: [PATCH] use size_t variable type

---
 gtsam_unstable/timing/timeShonanAveraging.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/gtsam_unstable/timing/timeShonanAveraging.cpp b/gtsam_unstable/timing/timeShonanAveraging.cpp
index d42635404b..e932b64007 100644
--- a/gtsam_unstable/timing/timeShonanAveraging.cpp
+++ b/gtsam_unstable/timing/timeShonanAveraging.cpp
@@ -52,7 +52,7 @@ void saveResult(string name, const Values& values) {
     myfile.open("shonan_result_of_" + name + ".dat");
     size_t nrSO3 = values.count<SO3>();
     myfile << "#Type SO3 Number " << nrSO3 << "\n";
-    for (int i = 0; i < nrSO3; ++i) {
+    for (size_t i = 0; i < nrSO3; ++i) {
         Matrix R = values.at<SO3>(i).matrix();
         // Check if the result of R.Transpose*R satisfy orthogonal constraint
         checkR(R);
@@ -72,7 +72,7 @@ void saveG2oResult(string name, const Values& values, std::map<Key, Pose3> poses
     ofstream myfile;
     myfile.open("shonan_result_of_" + name + ".g2o");
     size_t nrSO3 = values.count<SO3>();
-    for (int i = 0; i < nrSO3; ++i) {
+    for (size_t i = 0; i < nrSO3; ++i) {
         Matrix R = values.at<SO3>(i).matrix();
         // Check if the result of R.Transpose*R satisfy orthogonal constraint
         checkR(R);
@@ -92,7 +92,7 @@ void saveResultQuat(const Values& values) {
     ofstream myfile;
     myfile.open("shonan_result.dat");
     size_t nrSOn = values.count<SOn>();
-    for (int i = 0; i < nrSOn; ++i) {
+    for (size_t i = 0; i < nrSOn; ++i) {
         GTSAM_PRINT(values.at<SOn>(i));
         Rot3 R = Rot3(values.at<SOn>(i).matrix());
         float x = R.toQuaternion().x();