bit_set           151 ompi/group/group_bitmap.c     int my_group_rank,i,bit_set;
bit_set           174 ompi/group/group_bitmap.c         bit_set = ranks[i] % BSIZE;
bit_set           176 ompi/group/group_bitmap.c             sparse_data.grp_bitmap.grp_bitmap_array[(int)(ranks[i]/BSIZE)] |= (1 << bit_set);