max := uint64pow10[prec]
	trimmed := 0
	for m >= max {
		a, b := m/10, m%10
		m = a
		trimmed++
		if b > 5 {
			roundUp = true
		} else if b < 5 {
			roundUp = false
		} else { // b == 5
			// round up if there are trailing digits,
			// or if the new value of m is odd (round-to-even convention)
			roundUp = trunc || m&1 == 1
		}

	l := int(b[0])
	if runtime.GOOS == "darwin" || runtime.GOOS == "ios" {
		// On Darwin, an address in the kernel form is also
		// used as a message filler.
		if l == 0 || len(b) > roundup(l) {
			l = roundup(l)
		}
	} else {
		l = roundup(l)
	}
	if len(b) < l {
		return 0, nil, errInvalidAddr
	}
	// Don't reorder case expressions.
	// The case expressions for IPv6 must come first.
	const (

	}

	SlicePtrOffset = 0
	SliceLenOffset = RoundUp(SlicePtrOffset+int64(PtrSize), int64(PtrSize))
	SliceCapOffset = RoundUp(SliceLenOffset+int64(PtrSize), int64(PtrSize))
	SliceSize = RoundUp(SliceCapOffset+int64(PtrSize), int64(PtrSize))

	// string is same as slice wo the cap
	StringSize = RoundUp(SliceLenOffset+int64(PtrSize), int64(PtrSize))

	for et := Kind(0); et < NTYPE; et++ {

package tls

import (
	"bytes"
	"io"
	"net"
	"testing"
)

func TestRoundUp(t *testing.T) {
	if roundUp(0, 16) != 0 ||
		roundUp(1, 16) != 16 ||
		roundUp(15, 16) != 16 ||
		roundUp(16, 16) != 16 ||
		roundUp(17, 16) != 32 {
		t.Error("roundUp broken")
	}
}

// will be initialized with {0, 255, 255, ..., 255}
var padding255Bad = [256]byte{}

		}

		d.init(x, 0)
		d.round(test.n)
		if got := d.String(); got != test.even {
			t.Errorf("round(%d, %d) = %s; want %s", test.x, test.n, got, test.even)
		}

		d.init(x, 0)
		d.roundUp(test.n)
		if got := d.String(); got != test.up {
			t.Errorf("roundUp(%d, %d) = %s; want %s", test.x, test.n, got, test.up)
		}
	}
}

var sink string

				test.i, test.nd, s, test.down)
		}
		d = NewDecimal(test.i)
		d.Round(test.nd)
		s = d.String()
		if s != test.round {
			t.Errorf("Decimal %v Round %d = %v, want %v",
				test.i, test.nd, s, test.down)
		}
		d = NewDecimal(test.i)
		d.RoundUp(test.nd)
		s = d.String()
		if s != test.up {
			t.Errorf("Decimal %v RoundUp %d = %v, want %v",
				test.i, test.nd, s, test.up)
		}
	}
}

// machine size and rounding alignment is dictated around
// the size of a pointer, set in gc.Main (see ../gc/main.go).
var defercalc int

// RoundUp rounds o to a multiple of r, r is a power of 2.
func RoundUp(o int64, r int64) int64 {
	if r < 1 || r > 8 || r&(r-1) != 0 {
		base.Fatalf("Round %d", r)
	}
	return (o + r - 1) &^ (r - 1)
}

// expandiface computes the method set for interface type t by
// expanding embedded interfaces.

	tests := []struct {
		input     IntOrString
		total     int
		roundUp   bool
		expectErr bool
		expectVal int
	}{
		{
			input:     FromInt32(123),
			expectErr: false,
			expectVal: 123,
		},
		{
			input:     FromString("90%"),
			total:     100,
			roundUp:   true,
			expectErr: false,
			expectVal: 90,
		},
		{
			input:     FromString("90%"),

func GetScaledValueFromIntOrPercent(intOrPercent *IntOrString, total int, roundUp bool) (int, error) {
	if intOrPercent == nil {
		return 0, errors.New("nil value for IntOrString")
	}
	value, isPercent, err := getIntOrPercentValueSafely(intOrPercent)
	if err != nil {
		return 0, fmt.Errorf("invalid value for IntOrString: %v", err)
	}
	if isPercent {
		if roundUp {
			value = int(math.Ceil(float64(value) * (float64(total)) / 100))

		nativeEndian = littleEndian
	} else {
		nativeEndian = bigEndian
	}
	// might get overridden in probeRoutingStack
	rtmVersion = syscall.RTM_VERSION
	kernelAlign, wireFormats = probeRoutingStack()
}

func roundup(l int) int {
	if l == 0 {
		return kernelAlign
	}
	return (l + kernelAlign - 1) &^ (kernelAlign - 1)
}

type wireFormat struct {
	extOff  int // offset of header extension