if rand.Int()&1 == 1 {
		f = -f
	}
	return float32(f)
}

// randFloat64 generates a random float taking the full range of a float64.
func randFloat64(rand *rand.Rand) float64 {
	f := rand.Float64() * math.MaxFloat64
	if rand.Int()&1 == 1 {
		f = -f
	}
	return f
}

// randInt64 returns a random int64.
func randInt64(rand *rand.Rand) int64 {
	return int64(rand.Uint64())
}

	var zero float64
	for _, arg := range []float64{
		-math.MaxFloat32,
		-10,
		-0.5,
		-zero,
		zero,
		1,
		10,
		123456789.87654321e-23,
		1e10,
		math.MaxFloat64,
	} {
		val := MakeFloat64(arg)
		if val.Kind() != Float {
			t.Errorf("%v: got kind = %d; want %d", arg, val.Kind(), Float)
		}

		// -0.0 is mapped to 0.0
		got, exact := Float64Val(val)

		{"1", 1, Exact},
		{"1.000000000000000000001", 1, Below},
		{"12345.0", 12345, Exact},
		{"12345.000000000000000000001", 12345, Below},
		{"0x1.fffffffffffff0p1023", math.MaxFloat64, Exact},
		{"0x1.fffffffffffff4p1023", math.MaxFloat64, Below},

		// overflow
		{"0x1.fffffffffffff8p1023", math.Inf(+1), Above},
		{"0x1p1024", math.Inf(+1), Above},
		{"1e10000", math.Inf(+1), Above},

)

var vffrexpBC = []float64{
	SmallestNormalFloat64,
	LargestSubnormalFloat64,
	SmallestNonzeroFloat64,
	MaxFloat64,
	-SmallestNormalFloat64,
	-LargestSubnormalFloat64,
	-SmallestNonzeroFloat64,
	-MaxFloat64,
}
var frexpBC = []fi{
	{0.5, -1021},
	{0.99999999999999978, -1022},
	{0.5, -1073},
	{0.99999999999999989, 1024},
	{-0.5, -1021},

	"1/3",
}

// isFinite reports whether f represents a finite rational value.
// It is equivalent to !math.IsNan(f) && !math.IsInf(f, 0).
func isFinite(f float64) bool {
	return math.Abs(f) <= math.MaxFloat64
}

func TestFloat32SpecialCases(t *testing.T) {
	for _, input := range float64inputs {
		if strings.HasPrefix(input, "long:") {
			if !*long {
				continue
			}
			input = input[len("long:"):]

		// Iterate through the various n-choose-k NUMA node combinations,
		// looking for the combination of NUMA nodes that can best have CPUs
		// distributed across them.
		var bestBalance float64 = math.MaxFloat64
		var bestRemainder []int = nil
		var bestCombo []int = nil
		acc.iterateCombinations(numas, k, func(combo []int) LoopControl {
			// If we've already found a combo with a balance of 0 in a

pkg math (windows-amd64), const MaxInt = 9223372036854775807
pkg math (windows-amd64), const MaxUint = 18446744073709551615
pkg math (windows-amd64), const MinInt = -9223372036854775808

			},
		},
		{name: "numbers",
			obj:    objs(math.MaxFloat64, math.MaxFloat64, math.MaxFloat32, math.MaxFloat32, math.MaxFloat64, math.MaxFloat64, int64(1)),
			schema: schemas(numberType, numberType, floatType, floatType, doubleType, doubleType, doubleType),
			valid: []string{
				ValsEqualThemselvesAndDataLiteral("self.val1", "self.val2", fmt.Sprintf("%f", math.MaxFloat64)),

		{"-0x0p-10", -zero_},
		{"0xff", 255},
		{"0X.8p1", 1},
		{"-0X0.00008p16", -0.5},
		{"-0X0.00008P+16", -0.5},
		{"0x0.0000000000001p-1022", math.SmallestNonzeroFloat64},
		{"0x1.fffffffffffffp1023", math.MaxFloat64},

		// underscores
		{"0_0", 0},
		{"1_000.", 1000},
		{"1_2_3.4_5_6", 123.456},
		{"1.0e0_0", 1},
		{"1p+1_0", 1024},
		{"0b_1000", 0x8},
		{"0b_1011_1101", 0xbd},

			want:          float64(math.SmallestNonzeroFloat64),
			assertOnError: assertNilError,
		},
		{
			name:          "max float64 value",
			in:            hex("fb7fefffffffffffff"),
			want:          float64(math.MaxFloat64),
			assertOnError: assertNilError,
		},
		{
			name:          "max float32 value as double precision",
			in:            hex("fb47efffffe0000000"),
			want:          float64(math.MaxFloat32),