#include <stdio.h>
#include "mpitest.h"
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
{
int errs = 0;
int dims[2];
int periods[2];
int size, rank, newrank;
- MTest_Init( &argc, &argv );
+ MTest_Init(&argc, &argv);
+
+ MPI_Comm_size(MPI_COMM_WORLD, &size);
+ MPI_Comm_rank(MPI_COMM_WORLD, &rank);
- MPI_Comm_size( MPI_COMM_WORLD, &size );
- MPI_Comm_rank( MPI_COMM_WORLD, &rank );
-
/* This defines a one dimensional cartision grid with a single point */
periods[0] = 1;
dims[0] = 1;
- MPI_Cart_map( MPI_COMM_WORLD, 1, dims, periods, &newrank );
+ MPI_Cart_map(MPI_COMM_WORLD, 1, dims, periods, &newrank);
if (rank > 0) {
- if (newrank != MPI_UNDEFINED) {
- errs++;
- printf( "rank outside of input communicator not UNDEFINED\n" );
- }
+ if (newrank != MPI_UNDEFINED) {
+ errs++;
+ printf("rank outside of input communicator not UNDEFINED\n");
+ }
}
else {
- if (rank != newrank) {
- errs++;
- printf( "Newrank not defined and should be 0\n" );
- }
+ if (rank != newrank) {
+ errs++;
+ printf("Newrank not defined and should be 0\n");
+ }
}
/* As of MPI 2.1, a 0-dimensional topology is valid (its also a
- point) */
- MPI_Cart_map( MPI_COMM_WORLD, 0, dims, periods, &newrank );
+ * point) */
+ MPI_Cart_map(MPI_COMM_WORLD, 0, dims, periods, &newrank);
if (rank > 0) {
- if (newrank != MPI_UNDEFINED) {
- errs++;
- printf( "rank outside of input communicator not UNDEFINED\n" );
- }
+ if (newrank != MPI_UNDEFINED) {
+ errs++;
+ printf("rank outside of input communicator not UNDEFINED\n");
+ }
}
else {
- /* rank == 0 */
- if (rank != newrank) {
- errs++;
- printf( "Newrank not defined and should be 0\n" );
- }
+ /* rank == 0 */
+ if (rank != newrank) {
+ errs++;
+ printf("Newrank not defined and should be 0\n");
+ }
}
- MTest_Finalize( errs );
+ MTest_Finalize(errs);
MPI_Finalize();
return 0;
-
+
}
