#pragma once

#include "Algorithm.hh"
#include "YoungTab.hh"

namespace cadabra {

	class tab_basics : public Algorithm {
		public:
			tab_basics(const Kernel&, Ex&);

			typedef yngtab::filled_tableau<unsigned int> uinttab_t;
			typedef yngtab::tableaux<uinttab_t>          uinttabs_t;

			/// Convert an Ex to a numerical Young tableau, using num_to_it below.
			void tree_to_numerical_tab(iterator, uinttab_t& );
			unsigned int find_obj(const Ex& other);

			/// The inverse, converting tableaux to Ex objects attached as children of the iterator.
			void tabs_to_tree(uinttabs_t&, iterator, iterator, bool even_only);
			void tabs_to_singlet_rules(uinttabs_t&, iterator);

			std::vector<Ex::iterator> num_to_it;
		};

	}