From fe896743d10819fbb45e194e5412ba04a4e8c771 Mon Sep 17 00:00:00 2001
From: kai <k.penazzi@web.de>
Date: Sat, 31 May 2025 12:57:40 +0200
Subject: [PATCH] try to fix get_row

---
 lab10/jacobi/matrix.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lab10/jacobi/matrix.h b/lab10/jacobi/matrix.h
index af83842..f53032c 100644
--- a/lab10/jacobi/matrix.h
+++ b/lab10/jacobi/matrix.h
@@ -115,7 +115,9 @@ public:
   Matrix &operator/=(double x);
 
   std::vector<double> &get_row(int i) {
-    return slice(i * this->cols(), this->cols());
+    size_t start = i * this->numCols_;
+    return std::vector<double>(this->data() + start,
+                               this->data() + start + this->numCols_);
   }
 
 private: