sym.hh

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#pragma once
 
#include "Algorithm.hh"
#include <vector>
#include "Combinatorics.hh"
 
namespace cadabra {
 
    class sym : virtual public Algorithm {
        public:
            sym(const Kernel&, Ex&, Ex&, bool sign);
            sym(const Kernel&, Ex&, const std::vector<unsigned int>&, bool sign);
 
            virtual bool     can_apply(iterator) override;
            virtual result_t apply(iterator& it) override;
 
        protected:
            Ex objects;
            bool    sign;
 
            std::vector<unsigned int>  slotloc;
            std::vector<unsigned int>  argloc_2_treeloc;
            combin::combinations<unsigned int> raw_ints;
 
            result_t doit(iterator&, bool);
        };
 
    }