public static extern unsafe int lis_vector_set_values2( SetValueFlag flag, int start, int count, LisScalar *value, NativeLisVector *v);
public static extern unsafe int lis_vector_get_value(NativeLisVector *v, int i, LisScalar *value);
public static extern unsafe int lis_vector_get_values( NativeLisVector *v, int start, int count, LisScalar *value);
public static extern unsafe int lis_matrix_set_values( SetValueFlag flag, int n, LisScalar *value, NativeLisMatrix *A);