+#include "float/lfloat/cl_LF.h"
+namespace cln
+{
+// FIXME: don't use internal functions.
+extern cl_LF zeta (int s, uintC len);
+extern cl_LF compute_zeta_exp (int s, uintC len);
+extern cl_LF compute_zeta_cvz1 (int s, uintC len);
+extern cl_LF compute_zeta_cvz2 (int s, uintC len);
+extern cl_LF zeta3 (uintC len);
+}
+using namespace cln;
+#include <iostream>
+using namespace std;