TableauBase.hh

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#pragma once
 
#include "Props.hh"
#include "YoungTab.hh"
 
namespace cadabra {
 
    class TableauBase : virtual public property {
        public:
            virtual ~TableauBase() {};
            typedef yngtab::filled_tableau<unsigned int> tab_t;
 
            virtual std::string name() const;
 
            virtual unsigned int size(const Properties&, Ex&, Ex::iterator) const=0;
            virtual tab_t        get_tab(const Properties&, Ex&, Ex::iterator, unsigned int) const=0;
 
            virtual bool         only_column_exchange() const
                {
                return false;
                };
 
            // Indexgroups are groups of indices which can be sorted by application
            // of single-index monoterm symmetries. E.g. R_{m n p q} -> {m,n}:0, {p,q}:1.
            int                  get_indexgroup(const Properties&, Ex&, Ex::iterator, int) const;
 
            // Is the tableau either a single column or a single row, and without
            // duality projections?
            bool                 is_simple_symmetry(const Properties&, Ex&, Ex::iterator) const;
        };
 
    }