lemon/linear_heap.h
changeset 1817 dc3516405f8f
parent 1724 b20777184ba8
child 1834 0a14e1ae45a1
equal deleted inserted replaced
0:34f20256fe34 1:e63931873159
   160       if (p < minimal) {
   160       if (p < minimal) {
   161 	minimal = p;
   161 	minimal = p;
   162       }
   162       }
   163     }
   163     }
   164 
   164 
   165     /// \brief Returns the item with minimum priority relative to \c Compare.
   165     /// \brief Returns the item with minimum priority.
   166     ///
   166     ///
   167     /// This method returns the item with minimum priority relative to \c
   167     /// This method returns the item with minimum priority.
   168     /// Compare.  
       
   169     /// \pre The heap must be nonempty.  
   168     /// \pre The heap must be nonempty.  
   170     Item top() const {
   169     Item top() const {
   171       while (first[minimal] == -1) {
   170       while (first[minimal] == -1) {
   172 	++minimal;
   171 	++minimal;
   173       }
   172       }
   174       return data[first[minimal]].item;
   173       return data[first[minimal]].item;
   175     }
   174     }
   176 
   175 
   177     /// \brief Returns the minimum priority relative to \c Compare.
   176     /// \brief Returns the minimum priority.
   178     ///
   177     ///
   179     /// It returns the minimum priority relative to \c Compare.
   178     /// It returns the minimum priority.
   180     /// \pre The heap must be nonempty.
   179     /// \pre The heap must be nonempty.
   181     Prio prio() const {
   180     Prio prio() const {
   182       while (first[minimal] == -1) {
   181       while (first[minimal] == -1) {
   183 	++minimal;
   182 	++minimal;
   184       }
   183       }
   185       return minimal;
   184       return minimal;
   186     }
   185     }
   187 
   186 
   188     /// \brief Deletes the item with minimum priority relative to \c Compare.
   187     /// \brief Deletes the item with minimum priority.
   189     ///
   188     ///
   190     /// This method deletes the item with minimum priority relative to \c
   189     /// This method deletes the item with minimum priority from the heap.  
   191     /// Compare from the heap.  
       
   192     /// \pre The heap must be non-empty.  
   190     /// \pre The heap must be non-empty.  
   193     void pop() {
   191     void pop() {
   194       while (first[minimal] == -1) {
   192       while (first[minimal] == -1) {
   195 	++minimal;
   193 	++minimal;
   196       }
   194       }