How to use bisect method of main Package

Best Syzkaller code snippet using main.bisect

bisect_flag_test.go

Source:bisect_flag_test.go

...16			"BISECT_STAGE=someBisectStage",17			"BISECT_DIR=someBisectDir",18		}19		cmd := mustCallBisectDriver(ctx, callCompiler(ctx, ctx.cfg, ctx.newCommand(gccX86_64, mainCc)))20		if err := verifyPath(cmd, "bisect_driver"); err != nil {21			t.Error(err)22		}23		if err := verifyArgOrder(cmd,24			"someBisectStage", "someBisectDir", filepath.Join(ctx.tempDir, gccX86_64+".real"), "--sysroot=.*", mainCc); err != nil {25			t.Error(err)26		}27	})28}29func TestCallBisectDriverWithParamsFile(t *testing.T) {30	withBisectTestContext(t, func(ctx *testContext) {31		ctx.env = []string{32			"BISECT_STAGE=someBisectStage",33			"BISECT_DIR=someBisectDir",34		}35		paramsFile1 := filepath.Join(ctx.tempDir, "params1")36		ctx.writeFile(paramsFile1, "a\n#comment\n@params2")37		paramsFile2 := filepath.Join(ctx.tempDir, "params2")38		ctx.writeFile(paramsFile2, "b\n"+mainCc)39		cmd := mustCallBisectDriver(ctx, callCompiler(ctx, ctx.cfg, ctx.newCommand(gccX86_64, "@"+paramsFile1)))40		if err := verifyArgOrder(cmd,41			"a", "b", mainCc); err != nil {42			t.Error(err)43		}44	})45}46func TestCallBisectDriverWithCCache(t *testing.T) {47	withBisectTestContext(t, func(ctx *testContext) {48		ctx.cfg.useCCache = true49		cmd := ctx.must(callCompiler(ctx, ctx.cfg, ctx.newCommand(gccX86_64, mainCc)))50		if err := verifyPath(cmd, "/usr/bin/env"); err != nil {51			t.Error(err)52		}53		if err := verifyArgOrder(cmd, "python", "/usr/bin/ccache"); err != nil {54			t.Error(err)55		}56		if err := verifyEnvUpdate(cmd, "CCACHE_DIR=.*"); err != nil {57			t.Error(err)58		}59	})60}61func TestDefaultBisectDirCros(t *testing.T) {62	withBisectTestContext(t, func(ctx *testContext) {63		ctx.env = []string{64			"BISECT_STAGE=someBisectStage",65		}66		cmd := mustCallBisectDriver(ctx, callCompiler(ctx, ctx.cfg, ctx.newCommand(gccX86_64, mainCc)))67		if err := verifyArgOrder(cmd,68			"someBisectStage", "/tmp/sysroot_bisect"); err != nil {69			t.Error(err)70		}71	})72}73func TestDefaultBisectDirAndroid(t *testing.T) {74	withBisectTestContext(t, func(ctx *testContext) {75		ctx.env = []string{76			"BISECT_STAGE=someBisectStage",77			"HOME=/somehome",78		}79		ctx.cfg.isAndroidWrapper = true80		cmd := mustCallBisectDriver(ctx, callCompiler(ctx, ctx.cfg, ctx.newCommand(clangAndroid, mainCc)))81		if err := verifyArgOrder(cmd,82			"someBisectStage", filepath.Join("/somehome", "ANDROID_BISECT")); err != nil {83			t.Error(err)84		}85	})86}87func TestForwardStdOutAndStdErrAndExitCodeFromBisect(t *testing.T) {88	withBisectTestContext(t, func(ctx *testContext) {89		ctx.cmdMock = func(cmd *command, stdin io.Reader, stdout io.Writer, stderr io.Writer) error {90			fmt.Fprint(stdout, "somemessage")91			fmt.Fprint(stderr, "someerror")92			return newExitCodeError(23)93		}94		exitCode := callCompiler(ctx, ctx.cfg, ctx.newCommand(gccX86_64, mainCc))95		if exitCode != 23 {96			t.Errorf("unexpected exit code. Got: %d", exitCode)97		}98		if ctx.stdoutString() != "somemessage" {99			t.Errorf("stdout was not forwarded. Got: %s", ctx.stdoutString())100		}101		if ctx.stderrString() != "someerror" {102			t.Errorf("stderr was not forwarded. Got: %s", ctx.stderrString())103		}104	})105}106func TestForwardGeneralErrorFromBisect(t *testing.T) {107	withBisectTestContext(t, func(ctx *testContext) {108		ctx.cmdMock = func(cmd *command, stdin io.Reader, stdout io.Writer, stderr io.Writer) error {109			return errors.New("someerror")110		}111		stderr := ctx.mustFail(callCompiler(ctx, ctx.cfg,112			ctx.newCommand(gccX86_64, mainCc)))113		if err := verifyInternalError(stderr); err != nil {114			t.Fatal(err)115		}116		if !strings.Contains(stderr, "someerror") {117			t.Errorf("unexpected error. Got: %s", stderr)118		}119	})120}121func withBisectTestContext(t *testing.T, work func(ctx *testContext)) {122	withTestContext(t, func(ctx *testContext) {123		ctx.env = []string{"BISECT_STAGE=xyz"}124		// We execute the python script but replace the call to the bisect_driver with125		// a mock that logs the data.126		ctx.cmdMock = func(cmd *command, stdin io.Reader, stdout io.Writer, stderr io.Writer) error {127			if err := verifyPath(cmd, "/usr/bin/env"); err != nil {128				return err129			}130			if cmd.Args[0] != "python" {131				return fmt.Errorf("expected a call to python. Got: %s", cmd.Args[0])132			}133			if cmd.Args[1] != "-c" {134				return fmt.Errorf("expected an inline python script. Got: %s", cmd.Args)135			}136			script := cmd.Args[2]137			mock := `138class BisectDriver:139	def __init__(self):140		self.VALID_MODES = ['POPULATE_GOOD', 'POPULATE_BAD', 'TRIAGE']141	def bisect_driver(self, bisect_stage, bisect_dir, execargs):142		print('command bisect_driver')143		print('arg %s' % bisect_stage)144		print('arg %s' % bisect_dir)145		for arg in execargs:146			print('arg %s' % arg)147bisect_driver = BisectDriver()148`149			script = mock + script150			script = strings.Replace(script, "import bisect_driver", "", -1)151			cmdCopy := *cmd152			cmdCopy.Args = append(append(cmd.Args[:2], script), cmd.Args[3:]...)153			// Evaluate the python script, but replace the call to the bisect_driver154			// with a log statement so that we can assert it.155			return runCmd(ctx, &cmdCopy, nil, stdout, stderr)156		}157		work(ctx)158	})159}160func mustCallBisectDriver(ctx *testContext, exitCode int) *command {161	ctx.must(exitCode)162	cmd := &command{}163	for _, line := range strings.Split(ctx.stdoutString(), "\n") {164		if prefix := "command "; strings.HasPrefix(line, prefix) {165			cmd.Path = line[len(prefix):]166		} else if prefix := "arg "; strings.HasPrefix(line, prefix) {167			cmd.Args = append(cmd.Args, line[len(prefix):])...

bisect

Using AI Code Generation

1import java.util.*;2import java.lang.*;3import java.io.*;4{5	public static void main (String[] args) throws java.lang.Exception6	{7		Scanner sc = new Scanner(System.in);8		int n = sc.nextInt();9		int[] arr = new int[n];10		for(int i=0; i<n; i++)11		{12			arr[i] = sc.nextInt();13		}14		int key = sc.nextInt();15		int res = bisect(arr, key);16		System.out.println(res);17	}18	public static int bisect(int[] arr, int key)19	{20		int low = 0;21		int high = arr.length-1;22		while(low<=high)23		{24			int mid = (low+high)/2;25			if(arr[mid] == key)26			{27				return mid;28			}29			else if(arr[mid] > key)30			{31				high = mid-1;32			}33			{34				low = mid+1;35			}36		}37		return -1;38	}39}40Time Complexity: O(log n)41Space Complexity: O(1)42Python bisect() method43Python bisect_left() method44Python bisect_right() method

bisect

Using AI Code Generation

1import (2func main() {3	fmt.Scanf("%f", &a)4	fmt.Scanf("%f", &b)5	fmt.Scanf("%f", &c)6	fmt.Scanf("%f", &d)7	fmt.Scanf("%f", &e)8	fmt.Scanf("%f", &f)9	fmt.Scanf("%f", &g)10	fmt.Scanf("%f", &h)11	fmt.Scanf("%f", &i)12	fmt.Scanf("%f", &j)13	fmt.Scanf("%f", &k)14	fmt.Scanf("%f", &l)15	fmt.Scanf("%f", &m)16	fmt.Scanf("%f", &n)17	fmt.Scanf("%f", &o)18	fmt.Scanf("%f", &p)19	fmt.Scanf("%f", &q)20	fmt.Scanf("%f", &r)21	fmt.Scanf("%f", &s)

bisect

Using AI Code Generation

1import (2func main() {3	fmt.Println("Enter the values of a, b and c")4	fmt.Scanln(&a, &b, &c)5	d = (b * b) - (4 * a * c)6	if d > 0 {7		root1 = (-b + math.Sqrt(d)) / (2 * a)8		root2 = (-b - math.Sqrt(d)) / (2 * a)9		fmt.Println("Roots are real and different")10		fmt.Println("Root 1 is", root1)11		fmt.Println("Root 2 is", root2)12	} else if d == 0 {13		root1 = -b / (2 * a)14		fmt.Println("Roots are real and same")15		fmt.Println("Root 1 is", root1)16	} else if d < 0 {17		real = -b / (2 * a)18		imag = math.Sqrt(-d) / (2 * a)19		fmt.Println("Roots are complex and different")20		fmt.Println("Root 1 is", real, "+", imag, "i")21		fmt.Println("Root 2 is", real, "-", imag, "i")22	}23}

bisect

Using AI Code Generation

1import (2func main() {3	fmt.Println("Enter 5 numbers")4	fmt.Scanf("%f", &a)5	fmt.Scanf("%f", &b)6	fmt.Scanf("%f", &c)7	fmt.Scanf("%f", &d)8	fmt.Scanf("%f", &e)9	bisect(a, b, c, d, e)10}11func bisect(a, b, c, d, e float64) {12	x = math.Max(a, b)13	y = math.Max(c, d)14	z = math.Max(e, x)15	p = math.Max(y, z)16	q = math.Min(a, b)17	q = math.Min(c, d)18	q = math.Min(e, q)19	fmt.Printf("The maximum number is %f20	fmt.Printf("The minimum number is %f", q)21}22Go | Sort a slice of integers using bitonic sort (Parallel)

bisect

Using AI Code Generation

1import (2func main() {3	fmt.Println("Enter the coefficients of the equation ax^2 + bx + c = 0")4	fmt.Scan(&a, &b, &c)5	if f < 0 {6		fmt.Println("The equation has no real roots")7	} else {8		fmt.Println("The equation has two real roots")9	}10	g = -b + math.Sqrt(f)11	fmt.Println("The first root is", i)12	j = -b - math.Sqrt(f)13	fmt.Println("The second root is", l)14}15import (16func main() {17	fmt.Println("Enter the coefficients of the equation ax^2 + bx + c = 0")18	fmt.Scan(&a, &b, &c)19	if f < 0 {20		fmt.Println("The equation has no real roots")21	} else {22		fmt.Println("The equation has two real roots")23	}24	g = -b + math.Sqrt(f)25	fmt.Println("The first root is", i)26	j = -b - math.Sqrt(f)27	fmt.Println("The second root is", l)28}29import (30func main() {31	fmt.Println("Enter the coefficients of the equation ax^2 + bx + c = 0")32	fmt.Scan(&a, &b, &c)

bisect

Using AI Code Generation

1import (2func f(x float64) float64 {3	return math.Pow(x, 3.0) - 3*x + 14}5func df(x float64) float64 {6	return 3*math.Pow(x, 2.0) - 37}8func bisect(xl float64, xu float64, es float64, maxit int) float64 {9	test := f(xl) * f(xu)10	if test > 0 {11		fmt.Println("No sign change.")12	}13	for itr < maxit && ea > es {14		xr = (xl + xu) / 215		if xr != 0 {16			ea = math.Abs((xr - xrold) / xr) * 10017		}18		test = f(xl) * f(xr)19		if test < 0 {20		} else if test > 0 {21		} else {22		}23	}24}25func main() {26	root := bisect(xl, xu, es, maxit)27	fmt.Printf("The root is: %f", root)28}

bisect

Using AI Code Generation

1import "fmt"2func main() {3  fmt.Println("Enter the number of elements in the list:")4  fmt.Scanln(&n)5  fmt.Println("Enter the elements of the list:")6  for i:=0;i<n;i++{7    fmt.Scanln(&a)8    list=append(list,a)9  }10  fmt.Println("Enter the element to be searched:")11  fmt.Scanln(&ele)12  fmt.Println("The element is at position:",bisect(list,ele))13}14import "fmt"15func bisect(list []int,ele int) int{16  for i=0;i<len(list);i++{17    if list[i]==ele{18    }19  }20}21Recommended Posts: Python | bisect() method22Python | bisect.insort() method23Python | bisect.insort_left() method24Python | bisect.insort_right() method25Python | bisect.bisect_left() method26Python | bisect.bisect_right() method27Python | bisect.bisect() method28Python | bisect.bisect_left() method29Python | bisect.bisect_right() method30Python | bisect.insort_left() method31Python | bisect.insort_right() method32Python | bisect.insort() method

bisect

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Enter the number of elements in the array")4    fmt.Scanln(&a)5    fmt.Println("Enter the elements")6    for i = 0; i < a; i++ {7        fmt.Scanln(&b)8        c = append(c, b)9    }10    fmt.Println("Enter the number to be searched")11    fmt.Scanln(&x)12    for y <= z {13        j = (y + z) / 214        if x == c[j] {15            fmt.Println("The number is found at position", j+1)16        } else if x < c[j] {17        } else {18        }19    }20    if y > z {21        fmt.Println("The number is not found")22    }23}24Time Complexity: O(log n)

bisect

Using AI Code Generation

1import "fmt"2func main() {3fmt.Println("Root of the equation 2.0*x*x*x - 4.0*x*x + 3.0*x - 6.0")4fmt.Println("from 0 to 2 with 0.000001 precision is:")5fmt.Println(bisect(0.0, 2.0, 0.000001))6}7func f(x float64) float64 {8}9func bisect(x1 float64, x2 float64, precision float64) float64 {10for {11x = (x1 + x2) / 2.012if f(x) == 0.0 || (x2-x1)/2.0 < precision {13}14if f(x)*f(x1) > 0 {15} else {16}17}18}

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