case *constraint.NotExpr:
		return !eval(x.X, tags, !prefer)
	case *constraint.AndExpr:
		return eval(x.X, tags, prefer) && eval(x.Y, tags, prefer)
	case *constraint.OrExpr:
		return eval(x.X, tags, prefer) || eval(x.Y, tags, prefer)
	}
	panic(fmt.Sprintf("unexpected constraint expression %T", x))
}

// Eval is like
//
//	x.Eval(func(tag string) bool { return matchTag(tag, tags) })
//

	*out1 = x2
}

// p224Mul multiplies two field elements in the Montgomery domain.
//
// Preconditions:
//
//	0 ≤ eval arg1 < m
//	0 ≤ eval arg2 < m
//
// Postconditions:
//
//	eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg2)) mod m
//	0 ≤ eval out1 < m
func p224Mul(out1 *p224MontgomeryDomainFieldElement, arg1 *p224MontgomeryDomainFieldElement, arg2 *p224MontgomeryDomainFieldElement) {

	return add(u, neg(v))
}

func inv(u rat) rat { // invert a rat
	if u.num == 0 {
		panic("zero divide in inv")
	}
	return i2tor(u.den, u.num)
}

// print eval in floating point of PS at x=c to n terms
func evaln(c rat, U PS, n int) {
	xn := float64(1)
	x := float64(c.num) / float64(c.den)
	val := float64(0)
	for i := 0; i < n; i++ {
		u := get(U)
		if end(u) != 0 {
			break
		}

    }

    @Test
    fun `Static(Eval(buildscript)) reports script exception back to host`() {

        val fragment = fragment(
            "buildscript",
            "throw IllegalStateException(\"BOOM!\")"
        )

        val programHost = mock<ExecutableProgram.Host>()
        val scriptHost = scriptHostWith(mock<Settings>())
        withExecutableProgramFor(Static(Eval(fragment.source))) {

	*out1 = x2
}

// fiatScalarMul multiplies two field elements in the Montgomery domain.
//
// Preconditions:
//
//	0 ≤ eval arg1 < m
//	0 ≤ eval arg2 < m
//
// Postconditions:
//
//	eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg2)) mod m
//	0 ≤ eval out1 < m

	*out1 = x2
}

// p256Mul multiplies two field elements in the Montgomery domain.
//
// Preconditions:
//
//	0 ≤ eval arg1 < m
//	0 ≤ eval arg2 < m
//
// Postconditions:
//
//	eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg2)) mod m
//	0 ≤ eval out1 < m
func p256Mul(out1 *p256MontgomeryDomainFieldElement, arg1 *p256MontgomeryDomainFieldElement, arg2 *p256MontgomeryDomainFieldElement) {

// An AndExpr represents the expression X && Y.
type AndExpr struct {
	X, Y Expr
}

func (x *AndExpr) isExpr() {}

func (x *AndExpr) Eval(ok func(tag string) bool) bool {
	// Note: Eval both, to make sure ok func observes all tags.
	xok := x.X.Eval(ok)
	yok := x.Y.Eval(ok)
	return xok && yok
}

func (x *AndExpr) String() string {
	return andArg(x.X) + " && " + andArg(x.Y)
}

func andArg(x Expr) string {

import org.gradle.kotlin.dsl.execution.ResidualProgram.Instruction.CollectProjectScriptDependencies
import org.gradle.kotlin.dsl.execution.ResidualProgram.Instruction.Eval
import org.gradle.kotlin.dsl.execution.ResidualProgram.Instruction.SetupEmbeddedKotlin
import org.gradle.kotlin.dsl.execution.ResidualProgram.PluginRequestSpec
import org.gradle.kotlin.dsl.execution.ResidualProgram.Static

	return add(u, neg(v))
}

func inv(u *rat) *rat { // invert a rat
	if u.num == 0 {
		panic("zero divide in inv")
	}
	return i2tor(u.den, u.num)
}

// print eval in floating point of PS at x=c to n terms
func Evaln(c *rat, U PS, n int) {
	xn := float64(1)
	x := float64(c.num) / float64(c.den)
	val := float64(0)
	for i := 0; i < n; i++ {
		u := get(U)
		if end(u) != 0 {
			break
		}

	StorageClass            string
}

// Eval returns the lifecycle event applicable now.
func (lc Lifecycle) Eval(obj ObjectOpts) Event {
	return lc.eval(obj, time.Now().UTC())
}

// eval returns the lifecycle event applicable at the given now. If now is the
// zero value of time.Time, it returns the upcoming lifecycle event.
func (lc Lifecycle) eval(obj ObjectOpts, now time.Time) Event {
	var events []Event