TEST_f_f (cbrt, -27.0, -3.0),
TEST_f_f (cbrt, 0.9921875L, 0.997389022060725270579075195353955217L),
TEST_f_f (cbrt, 0.75L, 0.908560296416069829445605878163630251L),
+
+#if defined TEST_LDOUBLE && LDBL_MAX_EXP >= 16384
+ TEST_f_f (cbrt, 0x1p16383L, 0x1p5461L),
+ TEST_f_f (cbrt, 0x1p-16383L, 0x1p-5461L),
+#endif
};
static void