{math.NaN(), math.NaN(), 0},
	{0.0, math.NaN(), +1},
	{math.NaN(), 0.0, -1},
	{math.NaN(), math.Inf(-1), -1},
	{math.Inf(-1), math.NaN(), +1},
	{0.0, 0.0, 0},
	{negzero, negzero, 0},
	{negzero, 0.0, 0},
	{0.0, negzero, 0},
	{negzero, 1.0, -1},
	{negzero, -1.0, +1},
	{nilptr, nonnilptr, -1},
	{nonnilptr, nilptr, 1},
	{nonnilptr, nonnilptr, 0},
}

func TestLess(t *testing.T) {
	for _, test := range tests {

func testAdd64() {
	var zero float64
	inf := 1.0 / zero
	negZero := -1 / inf
	if 1/add64(negZero) != inf {
		panic("negZero+0 != posZero (64 bit)")
	}
}

//go:noinline
func sub64(x float64) float64 {
	return x - 0
}

func testSub64() {
	var zero float64
	inf := 1.0 / zero
	negZero := -1 / inf
	if 1/sub64(negZero) != -inf {
		panic("negZero-0 != negZero (64 bit)")
	}
}

//go:noinline

	MOVD	$0, R4
	CMPBLE	R4, R2, returnX

	//special case Atan2(-0, y<=-0) = -Pi
	MOVD	$NegZero, R4
	CMPBGE	R4, R2, returnNegPi
	BR	Normal
xIsPosZero:
	//special case Atan2(0, 0) = 0
	MOVD	$0, R4
	CMPUBEQ	R4, R2, returnX

	//special case Atan2(0, y<=-0) = Pi
	MOVD	$NegZero, R4
	CMPBGE	R4, R2, returnPi
	BR Normal
yIsNegInf:
	//special case Atan2(+Inf, -Inf) = 3Pi/4

)

var (
	zero    = math.Copysign(0, +1)
	negZero = math.Copysign(0, -1)
	inf     = math.Inf(+1)
	negInf  = math.Inf(-1)
	nan     = math.NaN()
)

var tests = []struct{ min, max float64 }{
	{1, 2},
	{-2, 1},
	{negZero, zero},
	{zero, inf},
	{negInf, zero},
	{negInf, inf},
	{1, inf},
	{negInf, 1},
}

var all = []float64{1, 2, -1, -2, zero, negZero, inf, negInf, nan}

func eq(x, y float64) bool {

		}
	}
}

func TestCloneLarge(t *testing.T) {
	// See issue 64474.
	type K [17]float64 // > 128 bytes
	type V [17]float64

	var zero float64
	negZero := -zero

	for tst := 0; tst < 3; tst++ {
		// Initialize m with a key and value.
		m := map[K]V{}
		var k1 K
		var v1 V
		m[k1] = v1

		switch tst {
		case 0: // nothing, just a 1-entry map

// NewUintptr returns an OLITERAL representing v as a uintptr.
func NewUintptr(pos src.XPos, v int64) Node {
	return NewBasicLit(pos, types.Types[types.TUINTPTR], constant.MakeInt64(v))
}

// NewZero returns a zero value of the given type.
func NewZero(pos src.XPos, typ *types.Type) Node {
	switch {
	case typ.HasNil():
		return NewNilExpr(pos, typ)
	case typ.IsInteger():
		return NewBasicLit(pos, typ, intZero)
	case typ.IsFloat():

	REG_FCC24
	REG_FCC25
	REG_FCC26
	REG_FCC27
	REG_FCC28
	REG_FCC29
	REG_FCC30
	REG_FCC31

	REG_LAST = REG_FCC31 // the last defined register

	REG_SPECIAL = REG_FCSR0

	REGZERO = REG_R0 // set to zero
	REGLINK = REG_R1
	REGSP   = REG_R3
	REGRET  = REG_R20 // not use
	REGARG  = -1      // -1 disables passing the first argument in register

	REG_W24
	REG_W25
	REG_W26
	REG_W27
	REG_W28
	REG_W29
	REG_W30
	REG_W31

	REG_HI
	REG_LO

	REG_LAST = REG_LO // the last defined register

	REG_SPECIAL = REG_M0

	REGZERO = REG_R0 /* set to zero */
	REGSP   = REG_R29
	REGSB   = REG_R28
	REGLINK = REG_R31
	REGRET  = REG_R1
	REGARG  = -1      /* -1 disables passing the first argument in register */

			for i := 0; i < b.N; i++ {
				value.SetZero()
			}
		})
		b.Run(name+"/CachedZero", func(b *testing.B) {
			for i := 0; i < b.N; i++ {
				value.Set(zero)
			}
		})
		b.Run(name+"/NewZero", func(b *testing.B) {
			for i := 0; i < b.N; i++ {
				value.Set(Zero(value.Type()))
			}
		})
	}
}

func BenchmarkSelect(b *testing.B) {
	channel := make(chan int)
	close(channel)