{"1", 1, Exact},
		{"1.000000000000000000001", 1, Below},
		{"12345.0", 12345, Exact},
		{"12345.000000000000000000001", 12345, Below},
		{"0x1.fffffe0p127", math.MaxFloat32, Exact},
		{"0x1.fffffe8p127", math.MaxFloat32, Below},

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

	{"-0x.ffffff7fp128", "-3.4028235e+38", nil},
	// borderline - too large
	{"3.4028235678e38", "+Inf", ErrRange},
	{"-3.4028235678e38", "-Inf", ErrRange},
	{"0x.ffffff8p128", "+Inf", ErrRange},
	{"-0x.ffffff8p128", "-Inf", ErrRange},

	// Denormals: less than 2^-126
	{"1e-38", "1e-38", nil},
	{"1e-39", "1e-39", nil},
	{"1e-40", "1e-40", nil},
	{"1e-41", "1e-41", nil},
	{"1e-42", "1e-42", nil},