*/
#define MAX_DATA_LEN 100
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
{
int errs = 0, recvlen, isLeft;
MPI_Status status;
int rank, size;
- MPI_Comm intercomm;
+ MPI_Comm intercomm;
char buf[MAX_DATA_LEN];
const char *test_str = "test";
- MTest_Init( &argc, &argv );
+ MTest_Init(&argc, &argv);
- MPI_Comm_rank( MPI_COMM_WORLD, &rank );
- MPI_Comm_size( MPI_COMM_WORLD, &size );
+ MPI_Comm_rank(MPI_COMM_WORLD, &rank);
+ MPI_Comm_size(MPI_COMM_WORLD, &size);
if (size < 2) {
- fprintf( stderr, "This test requires at least two processes." );
- MPI_Abort( MPI_COMM_WORLD, 1 );
- exit(1);
+ fprintf(stderr, "This test requires at least two processes.");
+ MPI_Abort(MPI_COMM_WORLD, 1);
}
- while (MTestGetIntercomm( &intercomm, &isLeft, 2 )) {
- if (intercomm == MPI_COMM_NULL) continue;
+ while (MTestGetIntercomm(&intercomm, &isLeft, 2)) {
+ if (intercomm == MPI_COMM_NULL)
+ continue;
MPI_Comm_rank(intercomm, &rank);
/* 0 ranks on each side communicate, everyone else does nothing */
- if(rank == 0) {
+ if (rank == 0) {
if (isLeft) {
recvlen = -1;
MPI_Probe(0, 0, intercomm, &status);
MPI_Get_count(&status, MPI_CHAR, &recvlen);
if (recvlen != (strlen(test_str) + 1)) {
- printf(" Error: recvlen (%d) != strlen(\"%s\")+1 (%d)\n", recvlen, test_str, (int)strlen(test_str) + 1);
+ printf(" Error: recvlen (%d) != strlen(\"%s\")+1 (%d)\n", recvlen, test_str,
+ (int) strlen(test_str) + 1);
++errs;
}
buf[0] = '\0';
MPI_Recv(buf, recvlen, MPI_CHAR, 0, 0, intercomm, &status);
- if (strcmp(test_str,buf)) {
+ if (strcmp(test_str, buf)) {
printf(" Error: strcmp(test_str,buf)!=0\n");
++errs;
}
}
else {
strncpy(buf, test_str, 5);
- MPI_Send(buf, strlen(buf)+1, MPI_CHAR, 0, 0, intercomm);
+ MPI_Send(buf, strlen(buf) + 1, MPI_CHAR, 0, 0, intercomm);
}
}
MTestFreeComm(&intercomm);
}
- MTest_Finalize( errs );
+ MTest_Finalize(errs);
MPI_Finalize();
return 0;
}