// changed, although new bits might be added.
const (
	// The single letters are the abbreviations
	// used by the String method's formatting.
	ModeDir        FileMode = 1 << (32 - 1 - iota) // d: is a directory
	ModeAppend                                     // a: append-only
	ModeExclusive                                  // l: exclusive use

// in addition to satisfying the partial order in lockPartialOrder.
// A few ranks allow self-cycles, which are specified in lockPartialOrder.
const (
	lockRankUnknown lockRank = iota

`)
	for _, rank := range topo {
		if isPseudo(rank) {
			fmt.Fprintf(w, "\t// %s\n", rank)
		} else {
			fmt.Fprintf(w, "\t%s\n", cname(rank))
		}
	}
	fmt.Fprintf(w, `)

	FILE_NOTIFY_CHANGE_LAST_ACCESS = 0x020
	FILE_NOTIFY_CHANGE_CREATION    = 0x040
	FILE_NOTIFY_CHANGE_SECURITY    = 0x100
)

const (
	// do not reorder
	FILE_ACTION_ADDED = iota + 1
	FILE_ACTION_REMOVED
	FILE_ACTION_MODIFIED
	FILE_ACTION_RENAMED_OLD_NAME
	FILE_ACTION_RENAMED_NEW_NAME
)

const (
	// wincrypt.h
	/* certenrolld_begin -- PROV_RSA_*/
	PROV_RSA_FULL      = 1

// The cached value is a uint32 in which the low bits
// are the "crash" and "all" settings and the remaining
// bits are the traceback value (0 off, 1 on, 2 include system).
const (
	tracebackCrash = 1 << iota
	tracebackAll
	tracebackShift = iota
)

var traceback_cache uint32 = 2 << tracebackShift
var traceback_env uint32

// gotraceback returns the current traceback settings.
//
// If level is 0, suppress all tracebacks.

	succs2 [2]*Block // underlying array for Succs
}

// A BlockKind identifies the purpose of a block.
// It also determines the possible types of its Stmt field.
type BlockKind uint8

const (
	KindInvalid BlockKind = iota // Stmt=nil

	KindUnreachable     // unreachable block after {Branch,Return}Stmt / no-return call ExprStmt
	KindBody            // function body BlockStmt
	KindForBody         // body of ForStmt

	return i, i < n && cmp(x[i], target) == 0
}

type sortedHint int // hint for pdqsort when choosing the pivot

const (
	unknownHint sortedHint = iota
	increasingHint
	decreasingHint
)

// xorshift paper: https://www.jstatsoft.org/article/view/v008i14/xorshift.pdf
type xorshift uint64

func (r *xorshift) Next() uint64 {
	*r ^= *r << 13

		for j := 0; j < n; j++ {
			if j > 0 {
				g.p(", ")
			}
			g.p("h%d_%d", i, j)
		}
		if i == 0 {
			g.p(" = ")
			for j := 0; j < n; j++ {
				if j > 0 {
					g.p(", ")
				}
				g.p("1.0/(iota + %d)", j+1)
			}
		}
		g.p("\n")
	}
	g.p(")\n\n")
}

func (g *gen) inverse(n int) {
	g.p(`// Inverse Hilbert matrix
const (
`)
	for i := 0; i < n; i++ {
		for j := 0; j < n; j++ {

	"fmt"
	"go/ast"
	"go/constant"
	"go/token"
	. "internal/types/errors"
)

// An operandMode specifies the (addressing) mode of an operand.
type operandMode byte

const (
	invalid   operandMode = iota // operand is invalid
	novalue                      // operand represents no value (result of a function call w/o result)
	builtin                      // operand is a built-in function

	// _Gscanwaiting -> _Gscanrunnable are actually okay because
	// they don't affect stack ownership.

	// _Gidle means this goroutine was just allocated and has not
	// yet been initialized.
	_Gidle = iota // 0

	// _Grunnable means this goroutine is on a run queue. It is
	// not currently executing user code. The stack is not owned.
	_Grunnable // 1

	// _Grunning means this goroutine may execute user code. The

//
// Note that traceBlockReasons should not be compared, since reasons that are
// distinct by name may *not* be distinct by value.
type traceBlockReason uint8

const (
	traceBlockGeneric traceBlockReason = iota
	traceBlockForever
	traceBlockNet
	traceBlockSelect
	traceBlockCondWait
	traceBlockSync
	traceBlockChanSend
	traceBlockChanRecv
	traceBlockGCMarkAssist
	traceBlockGCSweep
	traceBlockSystemGoroutine