internal spectra_result GetEigenvalueStorage(List <GCHandle> handles)
{
spectra_result e = default(spectra_result);
e.eigval = InteropHelper.Pin(eigval, handles);
e.eigvec = InteropHelper.Pin(eigvec, handles);
e.info = 0;
return(e);
}
public static extern int spectra_di_sg_shift(int which, char mode, int k, int ncv, int maxit, double tol, double sigma,
ref spectra_spmat A, ref spectra_spmat B, ref spectra_result eigs);
public static extern int spectra_di_sg(int which, int k, int ncv, int maxit, double tol,
ref spectra_spmat A, ref spectra_spmat B, ref spectra_result eigs);
