//SIGNATURE_CHECK (GNULIB_NAMESPACE::log10, double, (double));
//SIGNATURE_CHECK (GNULIB_NAMESPACE::log1p, double, (double));
//SIGNATURE_CHECK (GNULIB_NAMESPACE::logb, double, (double));
+#if GNULIB_TEST_LOGF
+SIGNATURE_CHECK (GNULIB_NAMESPACE::logf, float, (float));
+#endif
//SIGNATURE_CHECK (GNULIB_NAMESPACE::log, double, (double));
+#if GNULIB_TEST_LOG10F
+SIGNATURE_CHECK (GNULIB_NAMESPACE::log10f, float, (float));
+#endif
#if GNULIB_TEST_MODFF
SIGNATURE_CHECK (GNULIB_NAMESPACE::modff, float, (float, float *));
#endif