From 94c42ca5e03dee87cd8547e20d58889d79fb8bb2 Mon Sep 17 00:00:00 2001
From: josh <josh@45c1a28c-8058-47b2-ae61-ca45b979098e>
Date: Sun, 23 Nov 2008 16:00:39 +0000
Subject: [PATCH] added a recvmatrix

git-svn-id: svn://anubis/gvsu@251 45c1a28c-8058-47b2-ae61-ca45b979098e
---
 cs677/hw4/src/transpose.cc | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/cs677/hw4/src/transpose.cc b/cs677/hw4/src/transpose.cc
index 3bb5220..7093975 100644
--- a/cs677/hw4/src/transpose.cc
+++ b/cs677/hw4/src/transpose.cc
@@ -56,9 +56,15 @@ int main(int argc, char * argv[])
 
     /* Initialize the matrices */
     int matrix[n][n];
+    int recvmatrix[n][n];
     for (int i = 0; i < n; i++)         /* zero the matrices for prettier */
+    {
         for (int j = 0; j < n; j++)     /* printing */
+        {
             matrix[i][j] = 0;
+            recvmatrix[i][j] = 0;
+        }
+    }
 
     /* Determine which rows I am responsible for */
     int my_first_row;
@@ -92,7 +98,7 @@ int main(int argc, char * argv[])
         for (int row_offset = 0; row_offset < my_num_rows; row_offset++)
             my_col_i_vals[row_offset] = matrix[my_first_row + row_offset][i];
         MPI_Gatherv(&my_col_i_vals[0], my_num_rows, MPI_INT,
-                    &matrix[i][0], &counts[0], &displs[0],
+                    &recvmatrix[i][0], &counts[0], &displs[0],
                     MPI_INT, toproc, MPI_COMM_WORLD);
         proccount--;
         if (proccount <= 0)
@@ -110,7 +116,7 @@ int main(int argc, char * argv[])
         {
             for (int j = 0; j < n; j++)
             {
-                cout << matrix[i][j] << " ";
+                cout << recvmatrix[i][j] << " ";
             }
             cout << endl;
         }