internal ar_spmat GetMatrix(CompressedColumnStorage <T> matrix, List <GCHandle> handles)
{
ar_spmat a = default(ar_spmat);
a.m = matrix.RowCount;
a.n = matrix.ColumnCount;
a.p = InteropHelper.Pin(matrix.ColumnPointers, handles);
a.i = InteropHelper.Pin(matrix.RowIndices, handles);
a.x = InteropHelper.Pin(matrix.Values, handles);
a.nnz = matrix.NonZerosCount;
return(a);
}
public static extern int ar_si_sg_shift(StringBuilder which, char mode, int k, int ncv, int maxit, double tol, float sigma,
ref ar_spmat A, ref ar_spmat B, ref ar_result eigs);
public static extern int ar_si_sg(StringBuilder which, int k, int ncv, int maxit, double tol,
ref ar_spmat A, ref ar_spmat B, ref ar_result eigs);
public static extern int ar_zi_ng_shift(StringBuilder which, int k, int ncv, int maxit, double tol, Complex sigma,
ref ar_spmat A, ref ar_spmat B, ref ar_result eigs);
public static extern int ar_di_svd(StringBuilder which, int k, int ncv, int maxit, double tol,
ref ar_spmat A, ref ar_result result);
public static extern int ar_di_ng_shift_cx(StringBuilder which, int k, int ncv, int maxit, double tol, char part, double sigma_r, double sigma_i,
ref ar_spmat A, ref ar_spmat B, ref ar_result eigs);
public static extern int ar_di_ns_shift(StringBuilder which, int k, int ncv, int maxit, double tol, double sigma,
ref ar_spmat A, ref ar_result eigs);
