How to use Run method of bisect Package

Best Syzkaller code snippet using bisect.Run

bisect.go

Source:bisect.go

...79	info.current = currentSha80	return info81}82func (self *BisectCommands) Reset() error {83	return self.cmd.New("git bisect reset").StreamOutput().Run()84}85func (self *BisectCommands) Mark(ref string, term string) error {86	return self.cmd.New(87		fmt.Sprintf("git bisect %s %s", term, ref),88	).89		IgnoreEmptyError().90		StreamOutput().91		Run()92}93func (self *BisectCommands) Skip(ref string) error {94	return self.Mark(ref, "skip")95}96func (self *BisectCommands) Start() error {97	return self.cmd.New("git bisect start").StreamOutput().Run()98}99// tells us whether we've found our problem commit(s). We return a string slice of100// commit sha's if we're done, and that slice may have more that one item if101// skipped commits are involved.102func (self *BisectCommands) IsDone() (bool, []string, error) {103	info := self.GetInfo()104	if !info.Bisecting() {105		return false, nil, nil106	}107	newSha := info.GetNewSha()108	if newSha == "" {109		return false, nil, nil110	}111	// if we start from the new commit and reach the a good commit without112	// coming across any unprocessed commits, then we're done113	done := false114	candidates := []string{}115	err := self.cmd.New(fmt.Sprintf("git rev-list %s", newSha)).RunAndProcessLines(func(line string) (bool, error) {116		sha := strings.TrimSpace(line)117		if status, ok := info.statusMap[sha]; ok {118			switch status {119			case BisectStatusSkipped, BisectStatusNew:120				candidates = append(candidates, sha)121				return false, nil122			case BisectStatusOld:123				done = true124				return true, nil125			}126		} else {127			return true, nil128		}129		// should never land here130		return true, nil131	})132	if err != nil {133		return false, nil, err134	}135	return done, candidates, nil136}137// tells us whether the 'start' ref that we'll be sent back to after we're done138// bisecting is actually a descendant of our current bisect commit. If it's not, we need to139// render the commits from the bad commit.140func (self *BisectCommands) ReachableFromStart(bisectInfo *BisectInfo) bool {141	err := self.cmd.New(142		fmt.Sprintf("git merge-base --is-ancestor %s %s", bisectInfo.GetNewSha(), bisectInfo.GetStartSha()),143	).DontLog().Run()144	return err == nil145}...

main.go

Source:main.go

...17	// internal18	profiled = ""19)20type command interface {21	Run(ctx context.Context) error22}23func main() {24	if len(os.Args) < 2 {25		fmt.Println("expected 'bisect' subcommand")26		os.Exit(1)27	}28	var cmd command29	switch os.Args[1] {30	case "bisect":31		bisectCmd.Parse(os.Args[2:])32		cmd = bisect.NewBisect(bisect.BisectOpts{33			Jobs: *jobs,34			Good: *goodRev,35			Bad:  *badRev,36			Cmd:  bisectCmd.Args(),37		})38	}39	if profiled != "" {40		fmt.Printf("Profiling on %s\n", profiled)41		f, err := os.Create(profiled)42		if err != nil {43			panic(err)44		}45		pprof.StartCPUProfile(f)46		defer pprof.StopCPUProfile()47	}48	ctx := context.TODO()49	if err := cmd.Run(ctx); err != nil {50		panic(err)51	}52}

Run

Using AI Code Generation

1import (2func main() {3	if len(os.Args) == 1 {4		fmt.Println("Enter the coefficients of the equation ax^3 + bx^2 + cx + d = 0")5		fmt.Println("Enter a")6		_, err = fmt.Scan(&a)7		if err != nil {8			fmt.Println("Error in input")9			os.Exit(1)10		}11		fmt.Println("Enter b")12		_, err = fmt.Scan(&b)13		if err != nil {14			fmt.Println("Error in input")15			os.Exit(1)16		}17		fmt.Println("Enter c")18		_, err = fmt.Scan(&c)19		if err != nil {20			fmt.Println("Error in input")21			os.Exit(1)22		}23		fmt.Println("Enter d")24		_, err = fmt.Scan(&d)25		if err != nil {26			fmt.Println("Error in input")27			os.Exit(1)28		}29	} else if len(os.Args) == 5 {30		a, err = strconv.ParseFloat(os.Args[1], 64)31		if err != nil {32			fmt.Println("Error in input")33			os.Exit(1)34		}35		b, err = strconv.ParseFloat(os.Args[2], 64)36		if err != nil {37			fmt.Println("Error in input")38			os.Exit(1)39		}40		c, err = strconv.ParseFloat(os.Args[3], 64)41		if err != nil {42			fmt.Println("Error in input")43			os.Exit(1)44		}45		d, err = strconv.ParseFloat(os.Args[4], 64)46		if err != nil {47			fmt.Println("Error in input")48			os.Exit(1)49		}50	} else {51		fmt.Println("Error in input")52		os.Exit(1)53	}54	f = func(x float64) float64 {55		return a*math.Pow(x, 3) + b*math.Pow(x, 2) + c*x + d56	}

Run

Using AI Code Generation

1import (2type Bisect struct {3	f    func(float64) float644}5func (b Bisect) Run() float64 {6	fa, fb := b.f(b.a), b.f(b.b)7	if fa*fb > 0 {8		panic("f(a) and f(b) must have opposite signs")9	}10	for i := 0; i < 100; i++ {11		m := (b.a + b.b) / 212		fm := b.f(m)13		if fm == 0 {14		}15		if fa*fm < 0 {16		} else {17		}18	}19	return (b.a + b.b) / 220}21func main() {22	b := Bisect{func(x float64) float64 { return math.Pow(x, 3) - 2*x - 5 }, 1, 2}23	fmt.Println(b.Run())24}25import (26type Newton struct {27	f, df   func(float64) float6428}29func (n Newton) Run() float64 {30	for i := 0; i < 100; i++ {31		n.x = n.x - n.f(n.x)/n.df(n.x)32		if math.Abs(n.x-n.prev) < 1e-9 {33		}34	}35}36func main() {37	n := Newton{func(x float64) float64 { return math.Pow(x, 3) - 2*x - 5 }, func(x float64) float64 { return 3*math.Pow(x, 2) - 2 }, 1, 0}38	fmt.Println(n.Run())39}40import (41type Secant struct {42	f    func(float64) float64

Run

Using AI Code Generation

1import (2func main() {3	fmt.Println("Enter the value of a and b")4	fmt.Scan(&a, &b)5	var f func(float64) float646	f = func(x float64) float64 {7		return math.Pow(x, 3) - 2*x - 58	}9	bisect := Bisect{a, b, f}10	fmt.Println(bisect.Run())11}

Run

Using AI Code Generation

1import (2func f(x float64) float64 {3	return math.Pow(x, 3) - x - 14}5func main() {6	b := new(Bisect)7	x, err := b.Run(f, 1, 2, 1e-6)8	if err != nil {9		fmt.Println(err)10	} else {11		fmt.Println(x)12	}13}

Run

Using AI Code Generation

1import (2func main() {3	f := func(x float64) float64 {4		return math.Pow(x, 2) - 25	}6	b := bisect.NewBisect(f, 0, 2, 0.0001)7	x, err := b.Run()8	if err != nil {9		fmt.Println(err)10	} else {11		fmt.Println(x)12	}13}

Run

Using AI Code Generation

1func main() {2	var f func(float64) float643	f = func(x float64) float64 {4		return math.Pow(x, 3) - 2*x - 55	}6	var bisect = bisect.NewBisect(f, 1, 2, 0.0001, 100)7	bisect.Run()8	fmt.Println(bisect)9}

Run

Using AI Code Generation

1import (2func (b *Bisect) Run() {3	b.bisection()4}5func f(x float64) float64 {6	return math.Pow(x, 3) - 3*x - 57}8func df(x float64) float64 {9	return 3*math.Pow(x, 2) - 310}11func ddf(x float64) float64 {12}13func dddf(x float64) float64 {14}15func ddddf(x float64) float64 {16}17func dddddf(x float64) float64 {18}19func dddddf(x float64) float64 {20}21func dddddd(x float64) float64 {22}23func ddddddd(x float64) float64 {24}25func dddddddd(x float64) float64 {26}27func ddddddddd(x float64) float64 {28}29func dddddddddd(x float64) float64 {30}31func ddddddddddd(x float64) float64 {32}33func dddddddddddd(x float64) float64 {34}35func ddddddddddddd(x float64) float64 {36}37func dddddddddddddd(x float64) float64 {

Run

Using AI Code Generation

1import "fmt"2func main() {3	var f func(float64) float64 = func(x float64) float64 {4	}5	root = bisect.Run(a, b, epsilon, f)6	fmt.Println(root)7}

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