#define MAX_WORLD_SIZE 1024
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
{
int errs = 0;
- int ranks[MAX_WORLD_SIZE], ranksout[MAX_WORLD_SIZE],
- ranksin[MAX_WORLD_SIZE];
+ int ranks[MAX_WORLD_SIZE], ranksout[MAX_WORLD_SIZE], ranksin[MAX_WORLD_SIZE];
int range[1][3];
MPI_Group gworld, gself, ngroup, galt;
- MPI_Comm comm;
+ MPI_Comm comm;
int rank, size, i, nelms;
- MTest_Init( &argc, &argv );
+ MTest_Init(&argc, &argv);
- MPI_Comm_group( MPI_COMM_SELF, &gself );
+ MPI_Comm_group(MPI_COMM_SELF, &gself);
comm = MPI_COMM_WORLD;
- MPI_Comm_size( comm, &size );
- MPI_Comm_rank( comm, &rank );
+ MPI_Comm_size(comm, &size);
+ MPI_Comm_rank(comm, &rank);
if (size > MAX_WORLD_SIZE) {
- fprintf( stderr,
- "This test requires a comm world with no more than %d processes\n",
- MAX_WORLD_SIZE );
- MPI_Abort( MPI_COMM_WORLD, 1 );
+ fprintf(stderr,
+ "This test requires a comm world with no more than %d processes\n", MAX_WORLD_SIZE);
+ MPI_Abort(MPI_COMM_WORLD, 1);
}
if (size < 4) {
- fprintf( stderr, "This test requiers at least 4 processes\n" );
- MPI_Abort( MPI_COMM_WORLD, 1 );
+ fprintf(stderr, "This test requiers at least 4 processes\n");
+ MPI_Abort(MPI_COMM_WORLD, 1);
}
- MPI_Comm_group( comm, &gworld );
- for (i=0; i<size; i++) {
- ranks[i] = i;
- ranksout[i] = -1;
+ MPI_Comm_group(comm, &gworld);
+ for (i = 0; i < size; i++) {
+ ranks[i] = i;
+ ranksout[i] = -1;
}
/* Try translating ranks from comm world compared against
- comm self, so most will be UNDEFINED */
- MPI_Group_translate_ranks( gworld, size, ranks, gself, ranksout );
-
- for (i=0; i<size; i++) {
- if (i == rank) {
- if (ranksout[i] != 0) {
- printf( "[%d] Rank %d is %d but should be 0\n", rank,
- i, ranksout[i] );
- errs++;
- }
- }
- else {
- if (ranksout[i] != MPI_UNDEFINED) {
- printf( "[%d] Rank %d is %d but should be undefined\n", rank,
- i, ranksout[i] );
- errs++;
- }
- }
+ * comm self, so most will be UNDEFINED */
+ MPI_Group_translate_ranks(gworld, size, ranks, gself, ranksout);
+
+ for (i = 0; i < size; i++) {
+ if (i == rank) {
+ if (ranksout[i] != 0) {
+ printf("[%d] Rank %d is %d but should be 0\n", rank, i, ranksout[i]);
+ errs++;
+ }
+ }
+ else {
+ if (ranksout[i] != MPI_UNDEFINED) {
+ printf("[%d] Rank %d is %d but should be undefined\n", rank, i, ranksout[i]);
+ errs++;
+ }
+ }
}
/* MPI-2 Errata requires that MPI_PROC_NULL is mapped to MPI_PROC_NULL */
ranks[1] = 1;
ranks[2] = rank;
ranks[3] = MPI_PROC_NULL;
- for (i=0; i<4; i++) ranksout[i] = -1;
+ for (i = 0; i < 4; i++)
+ ranksout[i] = -1;
- MPI_Group_translate_ranks( gworld, 4, ranks, gself, ranksout );
+ MPI_Group_translate_ranks(gworld, 4, ranks, gself, ranksout);
if (ranksout[0] != MPI_PROC_NULL) {
- printf( "[%d] Rank[0] should be MPI_PROC_NULL but is %d\n",
- rank, ranksout[0] );
- errs++;
+ printf("[%d] Rank[0] should be MPI_PROC_NULL but is %d\n", rank, ranksout[0]);
+ errs++;
}
if (rank != 1 && ranksout[1] != MPI_UNDEFINED) {
- printf( "[%d] Rank[1] should be MPI_UNDEFINED but is %d\n",
- rank, ranksout[1] );
- errs++;
+ printf("[%d] Rank[1] should be MPI_UNDEFINED but is %d\n", rank, ranksout[1]);
+ errs++;
}
if (rank == 1 && ranksout[1] != 0) {
- printf( "[%d] Rank[1] should be 0 but is %d\n",
- rank, ranksout[1] );
- errs++;
+ printf("[%d] Rank[1] should be 0 but is %d\n", rank, ranksout[1]);
+ errs++;
}
if (ranksout[2] != 0) {
- printf( "[%d] Rank[2] should be 0 but is %d\n",
- rank, ranksout[2] );
- errs++;
+ printf("[%d] Rank[2] should be 0 but is %d\n", rank, ranksout[2]);
+ errs++;
}
if (ranksout[3] != MPI_PROC_NULL) {
- printf( "[%d] Rank[3] should be MPI_PROC_NULL but is %d\n",
- rank, ranksout[3] );
- errs++;
+ printf("[%d] Rank[3] should be MPI_PROC_NULL but is %d\n", rank, ranksout[3]);
+ errs++;
}
MPI_Group_free(&gself);
/* Now, try comparing small groups against larger groups, and use groups
- with irregular members (to bypass optimizations in group_translate_ranks
- for simple groups)
+ * with irregular members (to bypass optimizations in group_translate_ranks
+ * for simple groups)
*/
nelms = 0;
ranks[nelms++] = size - 2;
ranks[nelms++] = 0;
if (rank != 0 && rank != size - 2) {
- ranks[nelms++] = rank;
+ ranks[nelms++] = rank;
}
- MPI_Group_incl( gworld, nelms, ranks, &ngroup );
+ MPI_Group_incl(gworld, nelms, ranks, &ngroup);
- for (i=0; i<nelms; i++) ranksout[i] = -1;
+ for (i = 0; i < nelms; i++)
+ ranksout[i] = -1;
ranksin[0] = 1;
ranksin[1] = 0;
ranksin[2] = MPI_PROC_NULL;
ranksin[3] = 2;
- MPI_Group_translate_ranks( ngroup, nelms+1, ranksin, gworld, ranksout );
- for (i=0; i<nelms+1; i++) {
- if (ranksin[i] == MPI_PROC_NULL) {
- if (ranksout[i] != MPI_PROC_NULL) {
- fprintf( stderr, "Input rank for proc_null but output was %d\n",
- ranksout[i] );
- errs++;
- }
- }
- else if (ranksout[i] != ranks[ranksin[i]]) {
- fprintf( stderr, "Expected ranksout[%d] = %d but found %d\n",
- i, ranks[ranksin[i]], ranksout[i] );
- errs++;
- }
+ MPI_Group_translate_ranks(ngroup, nelms + 1, ranksin, gworld, ranksout);
+ for (i = 0; i < nelms + 1; i++) {
+ if (ranksin[i] == MPI_PROC_NULL) {
+ if (ranksout[i] != MPI_PROC_NULL) {
+ fprintf(stderr, "Input rank for proc_null but output was %d\n", ranksout[i]);
+ errs++;
+ }
+ }
+ else if (ranksout[i] != ranks[ranksin[i]]) {
+ fprintf(stderr, "Expected ranksout[%d] = %d but found %d\n",
+ i, ranks[ranksin[i]], ranksout[i]);
+ errs++;
+ }
}
-
- range[0][0] = size -1 ;
+
+ range[0][0] = size - 1;
range[0][1] = 0;
range[0][2] = -1;
- MPI_Group_range_incl( gworld, 1, range, &galt);
- for (i=0; i<nelms+1; i++) ranksout[i] = -1;
- MPI_Group_translate_ranks( ngroup, nelms+1, ranksin, galt, ranksout );
- for (i=0; i<nelms+1; i++) {
- if (ranksin[i] == MPI_PROC_NULL) {
- if (ranksout[i] != MPI_PROC_NULL) {
- fprintf( stderr, "Input rank for proc_null but output was %d\n",
- ranksout[i] );
- errs++;
- }
- }
- else if (ranksout[i] != (size-1)-ranks[ranksin[i]]) {
- fprintf( stderr, "Expected ranksout[%d] = %d but found %d\n",
- i, (size-1)-ranks[ranksin[i]], ranksout[i] );
- errs++;
- }
+ MPI_Group_range_incl(gworld, 1, range, &galt);
+ for (i = 0; i < nelms + 1; i++)
+ ranksout[i] = -1;
+ MPI_Group_translate_ranks(ngroup, nelms + 1, ranksin, galt, ranksout);
+ for (i = 0; i < nelms + 1; i++) {
+ if (ranksin[i] == MPI_PROC_NULL) {
+ if (ranksout[i] != MPI_PROC_NULL) {
+ fprintf(stderr, "Input rank for proc_null but output was %d\n", ranksout[i]);
+ errs++;
+ }
+ }
+ else if (ranksout[i] != (size - 1) - ranks[ranksin[i]]) {
+ fprintf(stderr, "Expected ranksout[%d] = %d but found %d\n",
+ i, (size - 1) - ranks[ranksin[i]], ranksout[i]);
+ errs++;
+ }
}
-
-
+
+
MPI_Group_free(&gworld);
MPI_Group_free(&galt);
MPI_Group_free(&ngroup);
- MTest_Finalize( errs );
+ MTest_Finalize(errs);
MPI_Finalize();
return 0;
