From c4277be067d90e74290a116b78e24077eee448d6 Mon Sep 17 00:00:00 2001
From: kai <k.penazzi@web.de>
Date: Sun, 1 Jun 2025 12:41:45 +0200
Subject: [PATCH] fix

---
 lab10/jacobi/jacobi_mpi.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lab10/jacobi/jacobi_mpi.cpp b/lab10/jacobi/jacobi_mpi.cpp
index de418a4..5c1adbb 100644
--- a/lab10/jacobi/jacobi_mpi.cpp
+++ b/lab10/jacobi/jacobi_mpi.cpp
@@ -106,7 +106,7 @@ Jacobi::Result JacobiMPI::run(const Matrix &init, double epsilon,
       MPI_Request send_lower;
 
       std::vector<double> send_vec_up = phi[t0].get_row(rank * numRows);
-      MPI_Isend(send_vec_up.data()), numCols, MPI_DOUBLE, neighborUpper, 0,
+      MPI_Isend(send_vec_up.data(), numCols, MPI_DOUBLE, neighborUpper, 0,
                 MPI_COMM_WORLD, &send_upper);
 
       std::vector<double> send_vec_low =