Representative.cpp File Reference

Functions
int	main (int argc, char **argv)

Function Documentation

main()

int main	(	int	argc,
		char **	argv
	)

                                {
    if(argc != 5) {
        std::cerr
            << "Usage: Representative(Integer_t StateNo, Integer_t n, Integer_t k, Integer_t dloc)"
            << std::endl;
        std::exit(EX_USAGE);
    }
    Integer_t              id   = (Integer_t)std::atoi(argv[1]);
    Integer_t              n    = (Integer_t)std::atoi(argv[2]);
    Integer_t              k    = (Integer_t)std::atoi(argv[3]);
    Integer_t              dloc = (Integer_t)std::atoi(argv[4]);
    TransSector            Sector(k, n, dloc);
    std::vector<Integer_t> spin(n);
 
    if(id >= Sector.dim()) {
        std::cerr << "Error: StateId(" << id << ") >= Sector.dim(" << Sector.dim() << ")"
                  << std::endl;
        std::exit(EX_USAGE);
    }
 
    i_to_spin(Sector.representative(id), spin, dloc, n);
 
    std::cout << "Representative(" << id << "," << n << "," << k << "," << dloc << ")" << std::endl;
    std::cout << "Representatives: (dim=" << Sector.dim()
              << ", #ParityEigens=" << Sector.dim() - 2 * Sector.parityOp().numPairs << ")"
              << std::endl;
    print(spin, spin.size());
    std::cout << "Periodicity: " << Sector.periodicity(id) << std::endl;
    std::cout << "Parity pair: " << Sector.parityOp(id) << std::endl;
    return 0;
}