swap_struct.h

template<class el_type> 
class swap_struct
{
    //---------- useful typedefs (to keep consistent with lilc_matrix) -----------//
    typedef vector<int> idx_vector_type;
    typedef vector<el_type>  elt_vector_type;
    typedef typename idx_vector_type::iterator idx_it;
    typedef typename elt_vector_type::iterator elt_it;
    
    public:
        vector<idx_it> swapk;   
        vector<idx_it> swapr;   
        
        idx_vector_type all_swaps;  
        idx_vector_type col_k_nnzs; 
        idx_vector_type col_r_nnzs; 
        
        elt_vector_type col_k;  
        elt_vector_type col_r;  
        
        idx_vector_type row_k;  
        idx_vector_type row_r;  

        void swap_clear() {
            swapk.clear();
            swapr.clear();
            all_swaps.clear();
        }
        
        void col_clear() {
            col_k.clear();
            col_k_nnzs.clear();
            col_r.clear();
            col_r_nnzs.clear();
        }
        
        void row_clear() {
            row_k.clear();
            row_r.clear();
        }
};