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#pragma once
#include "Algorithm.hh"
#include "properties/GammaMatrix.hh"
namespace cadabra {
class join_gamma : public Algorithm {
public:
join_gamma(const Kernel&, Ex&, bool expand, bool use_gendelta);
virtual bool can_apply(iterator);
virtual result_t apply(iterator&);
bool expand;
std::vector<int> only_expand;
const GammaMatrix *gm1, *gm2;
private:
void regroup_indices_(sibling_iterator, sibling_iterator, unsigned int,
std::vector<Ex>&, std::vector<Ex>& );
void append_prod_(const std::vector<Ex>& r1, const std::vector<Ex>& r2,
unsigned int num1, unsigned int num2, unsigned int i, multiplier_t mult,
Ex& rep, iterator loc);
bool use_generalised_delta_;
Ex::iterator gamma_name_;
str_node::bracket_t gamma_bracket_;
};
}
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