1 2 #pragma once 3 4 #include "Algorithm.hh" 5 6 namespace cadabra { 7 8 class sort_sum : public Algorithm { 9 public: 10 sort_sum(const Kernel&, Ex&); 11 12 virtual bool can_apply(iterator) override; 13 virtual result_t apply(iterator&) override; 14 15 private: 16 bool should_swap(iterator obj, int subtree_comparison) const; 17 }; 18 19 } 20