From 506f3626cdb2b6ddad370dcf245478af873ef83e Mon Sep 17 00:00:00 2001
From: Sven Oesau <sven.oesau@geometryfactory.com>
Date: Wed, 2 Oct 2024 19:45:47 +0200
Subject: [PATCH] bug fixes

---
 .../non_rigid_mesh_registration_example.cpp                   | 2 +-
 .../Polygon_mesh_processing/non_rigid_mesh_registration.h     | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Polygon_mesh_processing/examples/Polygon_mesh_processing/non_rigid_mesh_registration_example.cpp b/Polygon_mesh_processing/examples/Polygon_mesh_processing/non_rigid_mesh_registration_example.cpp
index 80a83c964da4..5aa632b88eda 100644
--- a/Polygon_mesh_processing/examples/Polygon_mesh_processing/non_rigid_mesh_registration_example.cpp
+++ b/Polygon_mesh_processing/examples/Polygon_mesh_processing/non_rigid_mesh_registration_example.cpp
@@ -18,7 +18,7 @@ using FT = K::FT;
 
 namespace PMP = CGAL::Polygon_mesh_processing;
 
-int main(int argc, char** argv) {
+int main(int, char**) {
   const std::string source_fn = CGAL::data_file_path("meshes/bear.off");
   const std::string target_fn = CGAL::data_file_path("meshes/bear_bis.off");
   const std::string corr_fn = "data/bear_bear_bis.corr";
diff --git a/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/non_rigid_mesh_registration.h b/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/non_rigid_mesh_registration.h
index a530f9b00b3d..56b0ea72f352 100644
--- a/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/non_rigid_mesh_registration.h
+++ b/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/non_rigid_mesh_registration.h
@@ -18,6 +18,7 @@
 
 #ifdef CGAL_EIGEN3_ENABLED
 #include <Eigen/Core>
+#include <Eigen/src/Core/ArithmeticSequence.h>
 #include <Eigen/Dense>
 #include <Eigen/SVD>
 #include <Eigen/Sparse>
@@ -48,11 +49,10 @@ namespace registration {
 
 #ifdef CGAL_EIGEN3_ENABLED
 using ScalarType = double;
-using Vertex = Eigen::Vector<ScalarType, 3>;
 using Vertices = Eigen::Matrix<ScalarType, Eigen::Dynamic, 3>;
 using Faces = Eigen::Matrix<int, Eigen::Dynamic, 3>;
 using Matrix = Eigen::Matrix<ScalarType, Eigen::Dynamic, Eigen::Dynamic>;
-using Vector = Eigen::Vector<ScalarType, Eigen::Dynamic>;
+using Vector = Eigen::VectorXd;
 
 using SparseMat = Eigen::SparseMatrix<ScalarType>;
 using SparseTriplet = Eigen::Triplet<ScalarType>;