From e5d733754f4a3f03652b6d16b6fd60921c962e4d Mon Sep 17 00:00:00 2001
From: WickedJack99 <github.0yiic@passmail.net>
Date: Sun, 29 Jun 2025 21:10:37 +0200
Subject: [PATCH] .

---
 lab12/exc4/jacobi.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lab12/exc4/jacobi.cpp b/lab12/exc4/jacobi.cpp
index 4ba036b..904790d 100644
--- a/lab12/exc4/jacobi.cpp
+++ b/lab12/exc4/jacobi.cpp
@@ -61,7 +61,7 @@ int Jacobi::upperOffset() const
 
 void Jacobi::exchangeHaloLayers(Matrix &phi)
 {
-  if (rank_ == (numProc_ - 1)) {
+  if (rank_ == (numProc_ - 2)) {
     std::cout << is_first_on_node_ << std::endl;
   }