From 1ab17393e4d4837e2e29c0e54140e4868ead061b Mon Sep 17 00:00:00 2001
From: Tobias Boeckh <tobias.boeckh@cern.ch>
Date: Tue, 24 May 2022 02:58:58 +0200
Subject: [PATCH] fix problem with eigen library
---
.../FaserActsKalmanFilter/FaserActsKalmanFilter/LinearFit.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/Tracking/Acts/FaserActsKalmanFilter/FaserActsKalmanFilter/LinearFit.h b/Tracking/Acts/FaserActsKalmanFilter/FaserActsKalmanFilter/LinearFit.h
index a7259dc0..f367110a 100644
--- a/Tracking/Acts/FaserActsKalmanFilter/FaserActsKalmanFilter/LinearFit.h
+++ b/Tracking/Acts/FaserActsKalmanFilter/FaserActsKalmanFilter/LinearFit.h
@@ -1,11 +1,11 @@
#ifndef FASERACTSKALMANFILTER_LINEARFIT_H
#define FASERACTSKALMANFILTER_LINEARFIT_H
-#include "eigen3/Eigen/Dense"
+#include "Acts/Definitions/Algebra.hpp"
namespace LinearFit {
-using Vector2 = Eigen::Matrix<double, 2, 1>;
+using Vector2 = Acts::Vector2;
std::pair <Vector2, Vector2 > linearFit(const std::vector<Vector2> &points) {
size_t nPoints = points.size();
--
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