-//SIGNATURE_CHECK (GNULIB_NAMESPACE::modf, double, (double, double *));
-//SIGNATURE_CHECK (GNULIB_NAMESPACE::nextafter, double, (double, double));
-//SIGNATURE_CHECK (GNULIB_NAMESPACE::pow, double, (double, double));
-//SIGNATURE_CHECK (GNULIB_NAMESPACE::remainder, double, (double, double));
-//SIGNATURE_CHECK (GNULIB_NAMESPACE::rint, double, (double));
-//SIGNATURE_CHECK (GNULIB_NAMESPACE::sin, double, (double));
-//SIGNATURE_CHECK (GNULIB_NAMESPACE::sinh, double, (double));
-//SIGNATURE_CHECK (GNULIB_NAMESPACE::sqrt, double, (double));
-//SIGNATURE_CHECK (GNULIB_NAMESPACE::tan, double, (double));
-//SIGNATURE_CHECK (GNULIB_NAMESPACE::tanh, double, (double));
-//SIGNATURE_CHECK (GNULIB_NAMESPACE::y0, double, (double));
-//SIGNATURE_CHECK (GNULIB_NAMESPACE::y1, double, (double));
-//SIGNATURE_CHECK (GNULIB_NAMESPACE::yn, double, (int, double));