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avoid overflows by using long in this test
[simgrid.git]
/
teshsuite
/
smpi
/
coll-reduce
/
coll-reduce.c
diff --git
a/teshsuite/smpi/coll-reduce/coll-reduce.c
b/teshsuite/smpi/coll-reduce/coll-reduce.c
index
9b63466
..
9543c53
100644
(file)
--- a/
teshsuite/smpi/coll-reduce/coll-reduce.c
+++ b/
teshsuite/smpi/coll-reduce/coll-reduce.c
@@
-19,16
+19,16
@@
int main(int argc, char *argv[])
{
int rank, size;
int i;
- int *sb;
- int *rb;
+
long
int *sb;
+
long
int *rb;
int status;
MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Comm_size(MPI_COMM_WORLD, &size);
- sb = (
int *) xbt_malloc(size * sizeof(
int));
- rb = (
int *) xbt_malloc(size * sizeof(
int));
+ sb = (
long int *) xbt_malloc(size * sizeof(long
int));
+ rb = (
long int *) xbt_malloc(size * sizeof(long
int));
for (i = 0; i < size; ++i) {
sb[i] = rank*size + i;
@@
-36,17
+36,17
@@
int main(int argc, char *argv[])
}
printf("[%d] sndbuf=[", rank);
for (i = 0; i < size; i++)
- printf("%d ", sb[i]);
+ printf("%
l
d ", sb[i]);
printf("]\n");
int root=0;
- status = MPI_Reduce(sb, rb, size, MPI_
INT
, MPI_SUM, root, MPI_COMM_WORLD);
+ status = MPI_Reduce(sb, rb, size, MPI_
LONG
, MPI_SUM, root, MPI_COMM_WORLD);
MPI_Barrier(MPI_COMM_WORLD);
if (rank == root) {
printf("[%d] rcvbuf=[", rank);
for (i = 0; i < size; i++)
- printf("%d ", rb[i]);
+ printf("%
l
d ", rb[i]);
printf("]\n");
if (status != MPI_SUCCESS) {
printf("all_to_all returned %d\n", status);
@@
-56,17
+56,17
@@
int main(int argc, char *argv[])
printf("[%d] second sndbuf=[", rank);
for (i = 0; i < 1; i++)
- printf("%d ", sb[i]);
+ printf("%
l
d ", sb[i]);
printf("]\n");
root=size-1;
- status = MPI_Reduce(sb, rb, 1, MPI_
INT
, MPI_PROD, root, MPI_COMM_WORLD);
+ status = MPI_Reduce(sb, rb, 1, MPI_
LONG
, MPI_PROD, root, MPI_COMM_WORLD);
MPI_Barrier(MPI_COMM_WORLD);
if (rank == root) {
printf("[%d] rcvbuf=[", rank);
for (i = 0; i < 1; i++)
- printf("%d ", rb[i]);
+ printf("%
l
d ", rb[i]);
printf("]\n");
if (status != MPI_SUCCESS) {
printf("all_to_all returned %d\n", status);