sort_sum.hh

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#pragma once

#include "Algorithm.hh"

namespace cadabra {

    class sort_sum : public Algorithm {
        public:
            sort_sum(const Kernel&, Ex&);
            
            virtual bool     can_apply(iterator) override;
            virtual result_t apply(iterator&) override;
            
        private:
            bool should_swap(iterator obj, int subtree_comparison) const;
    };

}