T(RU, -0x1.000000001p-1000, 0x1.000000001p-30, -0x1p-1066, -0x1.000000003p-1030, 0x1p-28, INEXACT|UNDERFLOW)
T(RZ, 0x1.000000001p-1000, 0x1.000000001p-30, -0x1p-1066, 0x1.000000001p-1030, -0x1p-28, INEXACT|UNDERFLOW)
T(RZ, -0x1.000000001p-1000, 0x1.000000001p-30, -0x1p-1066, -0x1.000000003p-1030, 0x1p-28, INEXACT|UNDERFLOW)
+T(RN, -0x1p-1000, 0x1.000001p-74, 0x1p-1022, 0x1.ffffffffffffep-1023, 0x1p-24, INEXACT|UNDERFLOW)
+T(RU, -0x1p-1000, 0x1.000001p-74, 0x1p-1022, 0x1.ffffffffffffep-1023, 0x1p-24, INEXACT|UNDERFLOW)
+T(RD, -0x1p-1000, 0x1.000001p-74, 0x1p-1022, 0x1.ffffffffffffcp-1023, -0x1.fffffep-1, INEXACT|UNDERFLOW)
+T(RZ, -0x1p-1000, 0x1.000001p-74, 0x1p-1022, 0x1.ffffffffffffcp-1023, -0x1.fffffep-1, INEXACT|UNDERFLOW)
+// depends on underflow before or after rounding
+//T(RN, -0x1p-1000, 0x1p-200, 0x1p-1022, 0x1p-1022, 0x1p-26, INEXACT)
+//T(RU, -0x1p-1000, 0x1p-200, 0x1p-1022, 0x1p-1022, 0x1p-26, INEXACT)
+T(RD, -0x1p-1000, 0x1p-200, 0x1p-1022, 0x1.ffffffffffffep-1023, -0x1p+0, INEXACT|UNDERFLOW)
+T(RZ, -0x1p-1000, 0x1p-200, 0x1p-1022, 0x1.ffffffffffffep-1023, -0x1p+0, INEXACT|UNDERFLOW)
T(RD, 0x1p-120, 0x1p-120, 0x1p-149, 0x1p-149, -0x1p-91, INEXACT|UNDERFLOW)
T(RU, 0x1p-120, 0x1p-120, 0x1p-149, 0x1p-148, 0x1p+0, INEXACT|UNDERFLOW)
T(RZ, 0x1p-120, 0x1p-120, 0x1p-149, 0x1p-149, -0x1p-91, INEXACT|UNDERFLOW)
+T(RN, -0x1p-100, 0x1.001p-49, 0x1p-126, 0x1.fffffcp-127, 0x1p-12, INEXACT|UNDERFLOW)
+T(RU, -0x1p-100, 0x1.001p-49, 0x1p-126, 0x1.fffffcp-127, 0x1p-12, INEXACT|UNDERFLOW)
+T(RD, -0x1p-100, 0x1.001p-49, 0x1p-126, 0x1.fffff8p-127, -0x1.ffep-1, INEXACT|UNDERFLOW)
+T(RZ, -0x1p-100, 0x1.001p-49, 0x1p-126, 0x1.fffff8p-127, -0x1.ffep-1, INEXACT|UNDERFLOW)
T(RU, -0x1.0000000001p-16000L, 0x1.0000000001p-400L, -0x1p-16440L, -0x1.0000000003p-16400L, 0x1p-35, INEXACT|UNDERFLOW)
T(RZ, 0x1.0000000001p-16000L, 0x1.0000000001p-400L, -0x1p-16440L, 0x1.0000000001p-16400L, -0x1p-35, INEXACT|UNDERFLOW)
T(RZ, -0x1.0000000001p-16000L, 0x1.0000000001p-400L, -0x1p-16440L, -0x1.0000000003p-16400L, 0x1p-35, INEXACT|UNDERFLOW)
+T(RN, -0x1p-10000L, 0x1.0000000000001p-6445L, 0x1p-16382L, 0x1.fffffffffffffffcp-16383L, 0x1p-52, INEXACT|UNDERFLOW)
+T(RU, -0x1p-10000L, 0x1.0000000000001p-6445L, 0x1p-16382L, 0x1.fffffffffffffffcp-16383L, 0x1p-52, INEXACT|UNDERFLOW)
+T(RD, -0x1p-10000L, 0x1.0000000000001p-6445L, 0x1p-16382L, 0x1.fffffffffffffff8p-16383L, -0x1p+0, INEXACT|UNDERFLOW)
+T(RZ, -0x1p-10000L, 0x1.0000000000001p-6445L, 0x1p-16382L, 0x1.fffffffffffffff8p-16383L, -0x1p+0, INEXACT|UNDERFLOW)
T(RN, -inf, 2147483647, -inf, 0x0p+0, 0)
T(RN, 0x1p+1023, -2097, 0x1p-1074, 0x0p+0, 0)
T(RN, 0x1p-1074, 2097, 0x1p+1023, 0x0p+0, 0)
+T(RN, 0x1.001p+0, -1074, 0x1p-1074, 0x0p+0, INEXACT|UNDERFLOW)
T(RN, -inf, 2147483647, -inf, 0x0p+0, 0)
T(RN, 0x1p+127, -276, 0x1p-149, 0x0p+0, 0)
T(RN, 0x1p-149, 276, 0x1p+127, 0x0p+0, 0)
+T(RN, 0x1.001p+0, -149, 0x1p-149, 0x0p+0, INEXACT|UNDERFLOW)
T(RN, -inf, 2147483647, -inf, 0x0p+0, 0)
T(RN, 0x1p+16383L, -32828, 0x1p-16445L, 0x0p+0, 0)
T(RN, 0x1p-16445L, 32828, 0x1p+16383L, 0x0p+0, 0)
+T(RN, 0x1.00000000001p+0L, -16445, 0x1p-16445L, 0x0p+0, INEXACT|UNDERFLOW)
T(RN, -inf, 2147483647, -inf, 0x0p+0, 0)
T(RN, 0x1p+1023, -2097, 0x1p-1074, 0x0p+0, 0)
T(RN, 0x1p-1074, 2097, 0x1p+1023, 0x0p+0, 0)
+T(RN, 0x1.001p+0, -1074, 0x1p-1074, 0x0p+0, INEXACT|UNDERFLOW)
T(RN, -inf, 2147483647, -inf, 0x0p+0, 0)
T(RN, 0x1p+127, -276, 0x1p-149, 0x0p+0, 0)
T(RN, 0x1p-149, 276, 0x1p+127, 0x0p+0, 0)
+T(RN, 0x1.001p+0, -149, 0x1p-149, 0x0p+0, INEXACT|UNDERFLOW)
T(RN, -inf, 2147483647, -inf, 0x0p+0, 0)
T(RN, 0x1p+16383L, -32828, 0x1p-16445L, 0x0p+0, 0)
T(RN, 0x1p-16445L, 32828, 0x1p+16383L, 0x0p+0, 0)
+T(RN, 0x1.00000000001p+0L, -16445, 0x1p-16445L, 0x0p+0, INEXACT|UNDERFLOW)