Commit 6ad2127e authored by Podhorszki, Norbert's avatar Podhorszki, Norbert
Browse files

fix the left-right/up-down direction in code to make communication correct

parent ef1a1408
......@@ -64,22 +64,22 @@ Settings::Settings(int argc, char *argv[], int rank, int nproc) : rank{rank}
// determine neighbors
if (posx == 0)
rank_left = -1;
rank_up = -1;
else
rank_left = rank - 1;
rank_up = rank - 1;
if (posx == npx - 1)
rank_right = -1;
rank_down = -1;
else
rank_right = rank + 1;
rank_down = rank + 1;
if (posy == 0)
rank_up = -1;
rank_left = -1;
else
rank_up = rank - npx;
rank_left = rank - npx;
if (posy == npy - 1)
rank_down = -1;
rank_right = -1;
else
rank_down = rank + npx;
rank_right = rank + npx;
}
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