// overflow
		{"0x1.ffffff0p127", float32(math.Inf(+1)), Above},
		{"0x1p128", float32(math.Inf(+1)), Above},
		{"1e10000", float32(math.Inf(+1)), Above},
		{"0x1.ffffff0p2147483646", float32(math.Inf(+1)), Above}, // overflow in rounding

		// inf
		{"Inf", float32(math.Inf(+1)), Exact},
	} {
		for i := 0; i < 2; i++ {
			// test both signs