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
		}

	}
	prog, err := env.Program(ast)
	if err != nil {
		return nil, fmt.Errorf("cannot create program: %w", err)
	}
	v, _, err := prog.Eval(activation)
	if err != nil {
		return nil, fmt.Errorf("cannot eval program: %w", err)
	}
	return v, nil
}

func buildTestEnv() (*cel.Env, *apiservercel.DeclType, error) {

eval("node")...

	framework.
		NewTest(t).
		Run(func(t framework.TestContext) {
			ns := apps.EchoNamespace.Namespace.Name()
			args := map[string]string{"AppNamespace": ns}
			t.ConfigIstio().Eval(ns, args, PeerAuthenticationConfig).ApplyOrFail(t, apply.Wait)
			t.ConfigIstio().Eval(ns, args, DestinationRuleConfigIstioMutual).ApplyOrFail(t, apply.Wait)

			client := apps.EchoNamespace.A[0]
			server := apps.EchoNamespace.B[0]

	}
}

func (c *configFactory) YAML(ns string, yamlText ...string) config.Plan {
	return c.New().YAML(ns, yamlText...)
}

func (c *configFactory) Eval(ns string, args any, yamlTemplates ...string) config.Plan {
	return c.New().Eval(ns, args, yamlTemplates...)
}

func (c *configFactory) File(ns string, filePaths ...string) config.Plan {
	return c.New().File(ns, filePaths...)
}

	*out1 = x2
}

// p384Mul 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 p384Mul(out1 *p384MontgomeryDomainFieldElement, arg1 *p384MontgomeryDomainFieldElement, arg2 *p384MontgomeryDomainFieldElement) {

	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

            ProgramTarget.Settings -> serviceRegistryOf(target as Settings)
            ProgramTarget.Gradle -> serviceRegistryOf(target as Gradle)
        }
    }

    fun eval(
        target: Any,
        scriptSource: ScriptSource,
        sourceHash: HashCode,
        scriptHandler: ScriptHandler,
        targetScope: ClassLoaderScope,
        baseScope: ClassLoaderScope,

	}

	errorList := []error{}
	for _, evalResult := range evalResults {
		matchCondition, ok := evalResult.ExpressionAccessor.(*MatchCondition)
		if !ok {
			// This shouldnt happen, but if it does treat same as eval error
			klog.Error("Invalid type conversion to MatchCondition")
			errorList = append(errorList, errors.New(fmt.Sprintf("internal error converting ExpressionAccessor to MatchCondition")))
			continue
		}

			expectedErrorPrefix := `%s "sample" is forbidden: ValidatingAdmissionPolicy 'stable-channel-default-policy.istio.io' ` +
				`with binding 'stable-channel-default-policy-binding.istio.io' denied request`
			err := t.ConfigIstio().Eval("default", nil, sampleEnvoyFilter).Apply()
			if err == nil {
				t.Errorf("Did not receive an error while applying sample EnvoyFilter with stable admission policy")
			} else {