55     input_cs(),  in PIP_Problem()
75     input_cs(y.input_cs),  in PIP_Problem()
142              cs_i = nth_iter(input_cs, first_pending_constraint),  in solve()
143              cs_end = input_cs.end(); cs_i != cs_end; ++cs_i) {  in solve()
232                                          input_cs,  in solve()
235       x.first_pending_constraint = input_cs.size();  in solve()
294   const dimension_type input_cs_num_rows = input_cs.size();  in OK()
296     if (input_cs[i].space_dimension() > external_space_dim) {  in OK()
377   const dimension_type input_cs_size = input_cs.size();  in ascii_dump()
381     input_cs[i].ascii_dump(s);  in ascii_dump()
490     input_cs.push_back(c);  in PPL_OUTPUT_DEFINITIONS()
622   input_cs.clear();  in clear()
705   input_cs.push_back(c);  in add_constraint()
773   n += input_cs.capacity() * sizeof(Constraint);  in external_memory_in_bytes()
774   for (const_iterator i = input_cs.begin(),  in external_memory_in_bytes()
775          i_end = input_cs.end(); i != i_end; ++i) {  in external_memory_in_bytes()