if (group == NULL) {
retval = MPI_ERR_ARG;
} else {
+ if(*group!= smpi_comm_group(MPI_COMM_WORLD))// do not free the group of the comm_world
smpi_group_destroy(*group);
*group = MPI_GROUP_NULL;
retval = MPI_SUCCESS;
} else if (src == MPI_PROC_NULL) {
*request = MPI_REQUEST_NULL;
retval = MPI_SUCCESS;
- } else if (src >= smpi_group_size(smpi_comm_group(comm)) || src <0){
+ } else if (src!=MPI_ANY_SOURCE && (src >= smpi_group_size(smpi_comm_group(comm)) || src <0)){
retval = MPI_ERR_COMM;
} else if (count < 0) {
retval = MPI_ERR_COUNT;
smpi_empty_status(status);
status->MPI_SOURCE = MPI_PROC_NULL;
retval = MPI_SUCCESS;
- }else if(src >= smpi_group_size(smpi_comm_group(comm)) || src <0){
+ } else if (src!=MPI_ANY_SOURCE && (src >= smpi_group_size(smpi_comm_group(comm)) || src <0)){
retval = MPI_ERR_COMM;
} else if (count < 0) {
retval = MPI_ERR_COUNT;
smpi_empty_status(status);
status->MPI_SOURCE = MPI_PROC_NULL;
retval = MPI_SUCCESS;
- }else if (dst >= smpi_group_size(smpi_comm_group(comm)) || dst <0 || src >= smpi_group_size(smpi_comm_group(comm)) || src <0){
+ }else if (dst >= smpi_group_size(smpi_comm_group(comm)) || dst <0 ||
+ (src!=MPI_ANY_SOURCE && (src >= smpi_group_size(smpi_comm_group(comm)) || src <0))){
retval = MPI_ERR_COMM;
} else if (sendcount < 0 || recvcount<0) {
retval = MPI_ERR_COUNT;
smpi_bench_end();
if (old_type == MPI_DATATYPE_NULL) {
retval = MPI_ERR_TYPE;
- } else if (count<=0){
+ } else if (count<0){
retval = MPI_ERR_COUNT;
} else {
retval = smpi_datatype_contiguous(count, old_type, new_type);
smpi_bench_end();
if (old_type == MPI_DATATYPE_NULL) {
retval = MPI_ERR_TYPE;
- } else if (count<=0 || blocklen<=0){
+ } else if (count<0 || blocklen<0){
retval = MPI_ERR_COUNT;
} else {
retval = smpi_datatype_vector(count, blocklen, stride, old_type, new_type);
smpi_bench_end();
if (old_type == MPI_DATATYPE_NULL) {
retval = MPI_ERR_TYPE;
- } else if (count<=0 || blocklen<=0){
+ } else if (count<0 || blocklen<0){
retval = MPI_ERR_COUNT;
} else {
retval = smpi_datatype_hvector(count, blocklen, stride, old_type, new_type);
smpi_bench_end();
if (old_type == MPI_DATATYPE_NULL) {
retval = MPI_ERR_TYPE;
- } else if (count<=0){
+ } else if (count<0){
retval = MPI_ERR_COUNT;
} else {
retval = smpi_datatype_indexed(count, blocklens, indices, old_type, new_type);
smpi_bench_end();
if (old_type == MPI_DATATYPE_NULL) {
retval = MPI_ERR_TYPE;
- } else if (count<=0){
+ } else if (count<0){
retval = MPI_ERR_COUNT;
} else {
retval = smpi_datatype_hindexed(count, blocklens, indices, old_type, new_type);
int retval;
smpi_bench_end();
- if (count<=0){
+ if (count<0){
retval = MPI_ERR_COUNT;
} else {
retval = smpi_datatype_struct(count, blocklens, indices, old_types, new_type);