+#include <cln/number.h>
+#include <cln/io.h>
+#include <cln/float.h>
+#include <cln/real.h>
+#include <cln/random.h>
+#include <cstdlib>
+#include <cstring>
+#include <cln/timing.h>
+namespace cln
+{
+// FIXME: don't use internal functions!
+extern cl_LF compute_exp1 (uintC len);
+}
+
+using namespace cln;