extent = datatype->get_extent();
unsigned char* tmp_buf = smpi_get_tmp_sendbuffer(count * extent);
- int is_commutative = (op==MPI_OP_NULL || op->is_commutative());
+ bool is_commutative = (op == MPI_OP_NULL || op->is_commutative());
mask = 1;
int lroot;