Method decrease

xrepo/packages/l/lemon/port/lemon/lemon/dheap.h:285–288

\brief Decrease the priority of an item to the given value. This function decreases the priority of an item to the given value. \param i The item. \param p The priority. \pre \e i must be stored in the heap with priority at least \e p.

    /// \param p The priority.
    /// \pre \e i must be stored in the heap with priority at least \e p.
    void decrease(const Item &i, const Prio &p) {
      int idx = _iim[i];
      bubbleUp(idx, Pair(i,p));
    }

    /// \brief Increase the priority of an item to the given value.
    ///