Trace_type_basis.h

// -*- C++ -*-
/*
 *  Trace_type_basis.h
 *      Contains the declarations of the class Trace_type_basis, related types and operators.
 *  Created on: Aug 9, 2012
 *  Author: Malin Sjödahl
 */
 
#ifndef COLORFULL_Trace_type_basis_h
#define COLORFULL_Trace_type_basis_h
 
#include "Col_basis.h"
 
 
namespace ColorFull {
 
class Trace_type_basis:public Col_basis{
 
public:
 
        Trace_type_basis():Col_basis(){
                // The maximal number of quark_lines is
                // nq+n_g/2 for a Trace_basis and 1 for a Tree_level_gluon basis,
                // but at this time nq and n_g are not known.
                max_ql=0;
        }
 
        Poly_vec decompose( const Col_amp & Ca );
 
 
        std::pair<int, int>  new_vector_numbers( const Col_str & Cs, int emitter ) ;
 
 
        std::pair<int, int>  new_vector_numbers( int old_num, int emitter, int n_loop ) const;
 
 
protected:
 
        int max_ql;
 
        int new_vector_number( int old_num, std::pair<int,int> place, int n_loop ) const;
 
        std::pair<int,int> find_parton( int parton, int vec_num, int n_quark, int n_gluon, int n_loop ) const;
 
};
 
}
 
#endif /* COLBASIS_H_ */