func (x *Rat) GobEncode() ([]byte, error) {
	if x == nil {
		return nil, nil
	}
	buf := make([]byte, 1+4+(len(x.a.abs)+len(x.b.abs))*_S) // extra bytes for version and sign bit (1), and numerator length (4)
	i := x.b.abs.bytes(buf)
	j := x.a.abs.bytes(buf[:i])
	n := i - j
	if int(uint32(n)) != n {
		// this should never happen
		return nil, errors.New("Rat.GobEncode: numerator too large")
	}

  // CHECK: %[[Q1:.*]] = stablehlo.uniform_quantize %[[ARG0]]
  // CHECK: %[[Q2:.*]] = stablehlo.uniform_quantize %[[Q1]]
  // CHECK: %[[ABS:.*]] = stablehlo.abs %[[Q2]]
  // CHECK: %[[DQ:.*]] = stablehlo.uniform_dequantize %[[ABS]]
  // CHECK: %[[ADD:.*]] = stablehlo.add %[[ARG0]], %[[DQ]]
  // CHECK: return %[[ADD]]

	// +3     +2      +1        0        -1     -2       -3
	// the offset to Thursday
	abs := t.abs()
	d := Thursday - absWeekday(abs)
	// handle Sunday
	if d == 4 {
		d = -3
	}
	// find the Thursday of the calendar week
	abs += uint64(d) * secondsPerDay
	year, _, _, yday := absDate(abs, false)
	return year, yday/7 + 1
}

		case x.exp > allBits:
			z.a.abs = z.a.abs.shl(x.mant, uint(x.exp-allBits))
			z.b.abs = z.b.abs[:0] // == 1 (see Rat)
			// z already in normal form
		default:
			z.a.abs = z.a.abs.set(x.mant)
			z.b.abs = z.b.abs[:0] // == 1 (see Rat)
			// z already in normal form
		case x.exp < allBits:
			z.a.abs = z.a.abs.set(x.mant)
			t := z.b.abs.setUint64(1)
			z.b.abs = t.shl(t, uint(allBits-x.exp))
			z.norm()

	PrivateFileMode = 0o600
)

// DirEquals check if two directories are referring to the same directory
func DirEquals(a, b string) (bool, error) {
	aa, err := filepath.Abs(a)
	if err != nil {
		return false, err
	}
	bb, err := filepath.Abs(b)
	if err != nil {
		return false, err
	}
	return aa == bb, nil

		return +1
	}

	return 0
}

func (pos Pos) String() string {
	rel := position_{pos.RelFilename(), pos.RelLine(), pos.RelCol()}
	abs := position_{pos.Base().Pos().RelFilename(), pos.Line(), pos.Col()}
	s := rel.String()
	if rel != abs {
		s += "[" + abs.String() + "]"
	}
	return s
}

// TODO(gri) cleanup: find better name, avoid conflict with position in error_test.go
type position_ struct {

	}

	var noext string
	switch {
	default:
		// "x" -> "$GOPATH/pkg/$GOOS_$GOARCH/x.ext", "x"
		// Don't require the source files to be present.
		if abs, err := filepath.Abs(srcDir); err == nil { // see issue 14282
			srcDir = abs
		}
		var bp *build.Package
		bp, err = build.Import(path, srcDir, build.FindOnly|build.AllowBinary)
		if bp.PkgObj == "" {
			if bp.Goroot && bp.Dir != "" {

	// Remove quotes.
	for i, s := range list {
		list[i] = strings.ReplaceAll(s, `"`, ``)
	}

	return list
}

func abs(path string) (string, error) {
	if path == "" {
		// syscall.FullPath returns an error on empty path, because it's not a valid path.
		// To implement Abs behavior of returning working directory on empty string input,
		// special-case empty path by changing it to "." path. See golang.org/issue/24441.

	return strings.HasPrefix(p, prefix)
}

func splitList(path string) []string {
	if path == "" {
		return []string{}
	}
	return strings.Split(path, string(ListSeparator))
}

func abs(path string) (string, error) {
	return unixAbs(path)
}

func join(elem []string) string {
	// If there's a bug here, fix the logic in ./path_unix.go too.
	for i, e := range elem {
		if e != "" {

	return strings.HasPrefix(p, prefix)
}

func splitList(path string) []string {
	if path == "" {
		return []string{}
	}
	return strings.Split(path, string(ListSeparator))
}

func abs(path string) (string, error) {
	return unixAbs(path)
}

func join(elem []string) string {
	// If there's a bug here, fix the logic in ./path_plan9.go too.
	for i, e := range elem {
		if e != "" {