+#include "float/lfloat/cl_LF.h"
+#include <iostream>
+namespace cln
+{
+// FIXME: using internal functions is a bad idea (even if it works
+// on some ELF systems)
+extern cl_LF compute_catalanconst_ramanujan (uintC len);
+extern cl_LF compute_catalanconst_ramanujan_fast (uintC len);
+extern cl_LF compute_catalanconst_expintegral1 (uintC len);
+extern cl_LF compute_catalanconst_expintegral2 (uintC len);
+extern cl_LF compute_catalanconst_cvz1 (uintC len);
+extern cl_LF compute_catalanconst_cvz2 (uintC len);
+}
+
+using namespace cln;
+using namespace std;