#include <stdio.h>
#include <stdlib.h>
#include "mpitest.h"
+#include "mpicolltest.h"
/*
static char MTEST_Descrip[] = "Simple intercomm gather test";
*/
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
{
int errs = 0, err;
int *buf = 0;
MPI_Comm comm;
MPI_Datatype datatype;
- MTest_Init( &argc, &argv );
+ MTest_Init(&argc, &argv);
datatype = MPI_INT;
/* Get an intercommunicator */
- while (MTestGetIntercomm( &comm, &leftGroup, 4 )) {
- if (comm == MPI_COMM_NULL) continue;
- MPI_Comm_rank( comm, &rank );
- MPI_Comm_remote_size( comm, &rsize );
- MPI_Comm_size( comm, &size );
- /* To improve reporting of problems about operations, we
- change the error handler to errors return */
- MPI_Comm_set_errhandler( comm, MPI_ERRORS_RETURN );
- for (count = 1; count < 65000; count = 2 * count) {
- if (leftGroup) {
- buf = (int *)malloc( count * rsize * sizeof(int) );
- for (i=0; i<count*rsize; i++) buf[i] = -1;
+ while (MTestGetIntercomm(&comm, &leftGroup, 4)) {
+ if (comm == MPI_COMM_NULL)
+ continue;
+ MPI_Comm_rank(comm, &rank);
+ MPI_Comm_remote_size(comm, &rsize);
+ MPI_Comm_size(comm, &size);
+ /* To improve reporting of problems about operations, we
+ * change the error handler to errors return */
+ MPI_Comm_set_errhandler(comm, MPI_ERRORS_RETURN);
+ for (count = 1; count < 65000; count = 2 * count) {
+ if (leftGroup) {
+ buf = (int *) malloc(count * rsize * sizeof(int));
+ for (i = 0; i < count * rsize; i++)
+ buf[i] = -1;
- err = MPI_Gather( NULL, 0, datatype,
- buf, count, datatype,
- (rank == 0) ? MPI_ROOT : MPI_PROC_NULL,
- comm );
- if (err) {
- errs++;
- MTestPrintError( err );
- }
- /* Test that no other process in this group received the
- broadcast */
- if (rank != 0) {
- for (i=0; i<count; i++) {
- if (buf[i] != -1) {
- errs++;
- }
- }
- }
- else {
- /* Check for the correct data */
- for (i=0; i<count*rsize; i++) {
- if (buf[i] != i) {
- errs++;
- }
- }
- }
- }
- else {
- /* In the right group */
- buf = (int *)malloc( count * sizeof(int) );
- for (i=0; i<count; i++) buf[i] = rank * count + i;
- err = MPI_Gather( buf, count, datatype,
- NULL, 0, datatype, 0, comm );
- if (err) {
- errs++;
- MTestPrintError( err );
- }
- }
- free( buf );
- }
- MTestFreeComm( &comm );
+ err = MTest_Gather(NULL, 0, datatype,
+ buf, count, datatype,
+ (rank == 0) ? MPI_ROOT : MPI_PROC_NULL, comm);
+ if (err) {
+ errs++;
+ MTestPrintError(err);
+ }
+ /* Test that no other process in this group received the
+ * broadcast */
+ if (rank != 0) {
+ for (i = 0; i < count; i++) {
+ if (buf[i] != -1) {
+ errs++;
+ }
+ }
+ }
+ else {
+ /* Check for the correct data */
+ for (i = 0; i < count * rsize; i++) {
+ if (buf[i] != i) {
+ errs++;
+ }
+ }
+ }
+ }
+ else {
+ /* In the right group */
+ buf = (int *) malloc(count * sizeof(int));
+ for (i = 0; i < count; i++)
+ buf[i] = rank * count + i;
+ err = MTest_Gather(buf, count, datatype, NULL, 0, datatype, 0, comm);
+ if (err) {
+ errs++;
+ MTestPrintError(err);
+ }
+ }
+ free(buf);
+ }
+ MTestFreeComm(&comm);
}
- MTest_Finalize( errs );
+ MTest_Finalize(errs);
MPI_Finalize();
return 0;
}