+#if GNULIB_TEST_EXP2F
+SIGNATURE_CHECK (GNULIB_NAMESPACE::exp2f, float, (float));
+#endif
+#if GNULIB_TEST_EXP2
+SIGNATURE_CHECK (GNULIB_NAMESPACE::exp2, double, (double));
+#endif
+#if GNULIB_TEST_EXP2L
+SIGNATURE_CHECK (GNULIB_NAMESPACE::exp2l, long double, (long double));
+#endif
+
+#if GNULIB_TEST_EXPM1F
+SIGNATURE_CHECK (GNULIB_NAMESPACE::expm1f, float, (float));
+#endif
+#if GNULIB_TEST_EXPM1
+SIGNATURE_CHECK (GNULIB_NAMESPACE::expm1, double, (double));
+#endif
+#if GNULIB_TEST_EXPM1L
+SIGNATURE_CHECK (GNULIB_NAMESPACE::expm1l, long double, (long double));
+#endif
+