How to use calcDistance method of main Package

Best K6 code snippet using main.calcDistance

lookup_test.go

Source:lookup_test.go

1package main2import (3	"testing"4	"sync"5	"sort"6)7func TestGetResponse(t *testing.T) {8	receiveCh := make(chan LookupResponse)9	defer close(receiveCh)10	sendCh := make(chan Contact)11	defer close(sendCh)12	id := NewKademliaID("1111111100000000000000000000000000000000")13	contact1 := NewContact(NewKademliaID("2111111400000000000000000000000000000000"), "localhost:8002")14	contact1.CalcDistance(id)15	contact2 := NewContact(NewKademliaID("1111111400000000000000000000000000000000"), "localhost:8002")16	contact2.CalcDistance(id)17	contact3 := NewContact(NewKademliaID("1111111100000000000000000000000000000000"), "localhost:8002")18	contact3.CalcDistance(id)19	lookup := Lookup{20		id: id,21		notCalled: []Contact{contact1},22		called: append([]Contact{contact2}),23		wg: sync.WaitGroup{},24		sendCh: sendCh,25		receiveCh: receiveCh,26		closestHasNotValue: contact1,27		mutex: sync.RWMutex{}}28	go func(){29		contacts := LookupResponse{[]Contact{contact2, contact3}, contact2, false}30		receiveCh <- contacts31	}()32	newContacts := lookup.getResponse()33	checkContacts(t, newContacts, []Contact{contact3})34	checkContacts(t, lookup.called, []Contact{contact2})35	expContacts := []Contact{contact1, contact3}36	sort.Sort(ByDistance(expContacts))37	checkContacts(t, lookup.notCalled, expContacts)38}39func TestCallContact(t *testing.T) {40	receiveCh := make(chan LookupResponse)41	defer close(receiveCh)42	sendCh := make(chan Contact)43	defer close(sendCh)44	id := NewKademliaID("1111111100000000000000000000000000000000")45	contact1 := NewContact(NewKademliaID("2111111400000000000000000000000000000000"), "localhost:8002")46	contact1.CalcDistance(id)47	contact2 := NewContact(NewKademliaID("1111111400000000000000000000000000000000"), "localhost:8002")48	contact2.CalcDistance(id)49	contact3 := NewContact(NewKademliaID("1111111100000000000000000000000000000000"), "localhost:8002")50	contact3.CalcDistance(id)51	lookup := Lookup{52		id: id,53		notCalled: []Contact{contact1},54		called: append([]Contact{contact2}),55		wg: sync.WaitGroup{},56		sendCh: sendCh,57		receiveCh: receiveCh,58		closestHasNotValue: contact1,59		mutex: sync.RWMutex{}}60	lookup.wg.Add(1)61	go func(){62		defer lookup.wg.Done()63		contact := <-sendCh64		if !contact.ID.Equals(contact1.ID) {65			t.Error("Expected contact ", contact1, " got ", contact)66		}67	}()68	lookup.callContact()69	expContacts := []Contact{contact1, contact2}70	sort.Sort(ByDistance(expContacts))71	checkContacts(t, lookup.called, expContacts)72	checkContacts(t, lookup.notCalled, []Contact{})73	lookup.wg.Wait()74}75func TestLastEffort(t *testing.T) {76	wg := sync.WaitGroup{}77	receiveCh := make(chan LookupResponse)78	defer close(receiveCh)79	sendCh := make(chan Contact)80	defer close(sendCh)81	id := NewKademliaID("1111111100000000000000000000000000000000")82	contact1 := NewContact(NewKademliaID("2111111400000000000000000000000000000000"), "localhost:8002")83	contact1.CalcDistance(id)84	contact2 := NewContact(NewKademliaID("1111111400000000000000000000000000000000"), "localhost:8002")85	contact2.CalcDistance(id)86	contact3 := NewContact(NewKademliaID("1111111100000000000000000000000000000000"), "localhost:8002")87	contact3.CalcDistance(id)88	lookup := Lookup{89		id: id,90		notCalled: []Contact{contact1},91		called: append([]Contact{contact2}),92		wg: sync.WaitGroup{},93		sendCh: sendCh,94		receiveCh: receiveCh,95		closestHasNotValue: contact1,96		mutex: sync.RWMutex{}}97	wg.Add(1)98	go func(){99		defer wg.Done()100		contact := <-sendCh101		if !contact.ID.Equals(contact1.ID) {102			t.Error("Expected contact ", contact1, " got ", contact)103		}104		receiveCh <- LookupResponse{[]Contact{}, contact, false}105	}()106	lookup.lastEffort()107	expContacts := []Contact{contact1, contact2}108	sort.Sort(ByDistance(expContacts))109	checkContacts(t, lookup.called, expContacts)110	checkContacts(t, lookup.notCalled, []Contact{})111	wg.Wait()112}113func TestRunLookupLessThenK(t *testing.T) {114	receiveCh := make(chan LookupResponse)115	defer close(receiveCh)116	sendCh := make(chan Contact)117	defer close(sendCh)118	id := NewKademliaID("1111111100000000000000000000000000000000")119	contact1 := NewContact(NewKademliaID("2111111400000000000000000000000000000000"), "localhost:8002")120	contact1.CalcDistance(id)121	contact2 := NewContact(NewKademliaID("1111111400000000000000000000000000000000"), "localhost:8002")122	contact2.CalcDistance(id)123	contact3 := NewContact(NewKademliaID("1111111100000000000000000000000000000000"), "localhost:8002")124	contact3.CalcDistance(id)125	expContacts := []Contact{contact1, contact2, contact3}126	sort.Sort(ByDistance(expContacts))127	go func() {128		hasReturnd := false129		for {130			contact, more := <-sendCh131			if !more {132				return133			}134			if hasReturnd {135				receiveCh <- LookupResponse{[]Contact{}, contact, false}136			} else {137				hasReturnd = true138				receiveCh <- LookupResponse{[]Contact{contact2, contact3}, contact, true}139			}140		}141	}()142	contacts, contact, _ := RunLookup(id, contact1, []Contact{contact3}, sendCh, receiveCh)143	if !contact.ID.Equals(contact2.ID) {144		t.Error("Expected contact ", contact2, " got ", contact)145	}146	checkContacts(t, contacts, expContacts)147}148func TestRunLookup(t *testing.T) {149	receiveCh := make(chan LookupResponse)150	defer close(receiveCh)151	sendCh := make(chan Contact)152	defer close(sendCh)153	id := NewKademliaID("1111111100000000000000000000000000000000")154	contact1 := NewContact(NewKademliaID("2111111400000000000000000000000000000000"), "localhost:8002")155	contact1.CalcDistance(id)156	contact2 := NewContact(NewKademliaID("1111111400000000000000000000000000000000"), "localhost:8002")157	contact2.CalcDistance(id)158	contact3 := NewContact(NewKademliaID("1111111100000000000000000000000000000000"), "localhost:8002")159	contact3.CalcDistance(id)160	contact4 := NewContact(NewKademliaID("1111111500000000000000000000000000000000"), "localhost:8002")161	contact4.CalcDistance(id)162	contact5 := NewContact(NewKademliaID("1111111600000000000000000000000000000000"), "localhost:8002")163	contact5.CalcDistance(id)164	contact6 := NewContact(NewKademliaID("1111111700000000000000000000000000000000"), "localhost:8002")165	contact6.CalcDistance(id)166	expContacts := []Contact{contact1, contact2, contact3, contact4, contact5, contact6}167	sort.Sort(ByDistance(expContacts))168	go func() {169		hasReturnd := false170		for {171			contact, more := <-sendCh172			if !more {173				return174			}175			go func(contact Contact){176				if hasReturnd {177					receiveCh <- LookupResponse{[]Contact{contact1}, contact, false}178				} else {179					hasReturnd = true180					receiveCh <- LookupResponse{[]Contact{contact2, contact3, contact4, contact5, contact6}, contact, true}181				}182			}(contact)183		}184	}()185	contacts, contact, _ := RunLookup(id, contact1, []Contact{contact3}, sendCh, receiveCh)186	if !contact.ID.Equals(contact2.ID) {187		t.Error("Expected contact ", contact2, " got ", contact)188	}189	checkContacts(t, contacts, expContacts[:k])190}191func checkContacts(t *testing.T, contacts []Contact, expContacts []Contact) {192	if len(contacts) != len(expContacts) {193		t.Error("Expected ",  len(expContacts), " contacts got ", len(contacts))194	}195	for i := 0; i < len(expContacts); i++ {196		if !contacts[i].ID.Equals(expContacts[i].ID) {197			t.Error("Expected contact ", expContacts[i], " got ", contacts[i])198		}199	}200}...

server.go

Source:server.go

...51}52func toRadians(num float64) float64 {53	return num * math.Pi / float64(180)54}55// calcDistance calculates the distance between two points using the "haversine" formula.56// The formula is based on http://mathforum.org/library/drmath/view/51879.html.57func calcDistance(p1 *pb.Point, p2 *pb.Point) int32 {58	const CordFactor float64 = 1e759	const R = float64(6371000) // earth radius in metres60	lat1 := toRadians(float64(p1.Latitude) / CordFactor)61	lat2 := toRadians(float64(p2.Latitude) / CordFactor)62	lng1 := toRadians(float64(p1.Longitude) / CordFactor)63	lng2 := toRadians(float64(p2.Longitude) / CordFactor)64	dlat := lat2 - lat165	dlng := lng2 - lng166	a := math.Sin(dlat/2)*math.Sin(dlat/2) +67		math.Cos(lat1)*math.Cos(lat2)*68			math.Sin(dlng/2)*math.Sin(dlng/2)69	c := 2 * math.Atan2(math.Sqrt(a), math.Sqrt(1-a))70	distance := R * c71	return int32(distance)72}73func (s *routeGuideServer) RecordRoute(stream pb.RouteGuide_RecordRouteServer) error {74	startTime := time.Now()75	var pointCount, distance int3276	var prevPoint *pb.Point77	for {78		point, err := stream.Recv()79		// ç¨æ·åæ¢ä¸ä¼ 80		if err == io.EOF {81			// conclude a route summary82			endTime := time.Now()83			return stream.SendAndClose(&pb.RouteSummary{84				PointCount:  pointCount,85				Distance:    distance,86				ElapsedTime: int32(endTime.Sub(startTime).Seconds()),87			})88		}89		if err != nil {90			return err91		}92		pointCount++93		if prevPoint != nil {94			distance += calcDistance(prevPoint, point)95		}96		prevPoint = point97	}98	return nil99}100func (s *routeGuideServer) recommendOnce(request *pb.RecommendationRequest) (*pb.Feature, error) {101	var nearest, farthest *pb.Feature102	var nearestDistance, farthestDistance int32103	for _, feature := range s.features {104		distance := calcDistance(feature.Location, request.Point)105		if nearest == nil || distance < nearestDistance {106			nearestDistance = distance107			nearest = feature108		}109		if farthest == nil || distance > farthestDistance {110			farthestDistance = distance111			farthest = feature112		}113	}114	if request.Mode == pb.RecommendationMode_GetFarthest {115		return farthest, nil116	} else {117		return nearest, nil118	}...

main.go

Source:main.go

...30	fmt.Printf("%.4f", d)31}32func closestDistance(X, Y []point) float64 {33	if len(X) == 2 {34		return calcDistance(X[0], X[1])35	} else if len(X) == 3 {36		return math.Min(math.Min(calcDistance(X[0], X[1]), calcDistance(X[1], X[2])), calcDistance(X[0], X[2]))37	}38	half := int(math.Floor(float64(len(X)) / 2))39	pointsLeft := X[:half]40	pointsRight := X[half:]41	XL, XR := pointsLeft, pointsRight42	YL, YR := sortedSplit(pointsLeft, pointsRight, Y)43	minLeft := closestDistance(XL, YL)44	minRight := closestDistance(XR, YR)45	sigma := math.Min(minLeft, minRight)46	sigmaPrime := closestSplitPoint(Y, pointsRight[0], sigma)47	return math.Min(sigma, sigmaPrime)48}49func closestSplitPoint(Y []point, mid point, sigma float64) float64 {50	YPrime := make([]point, 0)51	for i, point := range Y {52		if i == 0 {53			continue54		}55		if calcDistance(point, mid) > 2*sigma {56			YPrime = append(YPrime, point)57		}58		if i == 6 {59			break60		}61	}62	for i, point := range Y {63		for j, yPoint := range YPrime {64			if i == 0 || i != j+1 {65				tempSigma := calcDistance(point, yPoint)66				if tempSigma < sigma {67					sigma = tempSigma68				}69			}70		}71	}72	return sigma73}74func sortedSplit(pointsLeft, pointsRight, Y []point) ([]point, []point) {75	left := make([]point, 0, len(pointsLeft))76	right := make([]point, 0, len(pointsRight))77	for _, point := range Y {78		if point.x < pointsRight[0].x {79			left = append(left, point)80		} else {81			right = append(right, point)82		}83	}84	return left, right85}86func calcDistance(p1, p2 point) float64 {87	return math.Sqrt(math.Pow(float64(p1.x-p2.x), 2) + math.Pow(float64(p1.y-p2.y), 2))88}...

calcDistance

Using AI Code Generation

1import (2func main() {3    p := geometry.Point{1, 2}4    q := geometry.Point{4, 6}5}6import (7func main() {8    p := geometry.Point{1, 2}9    q := geometry.Point{4, 6}10}11import (12func main() {13    p := geometry.Point{1, 2}14    q := geometry.Point{4, 6}15}16import (17func main() {18    p := geometry.Point{1, 2}19    q := geometry.Point{4, 6}20}21import (22func main() {23    p := geometry.Point{1, 2}24    q := geometry.Point{4, 6}25}26import (27func main() {28    p := geometry.Point{1, 2}29    q := geometry.Point{4, 6}30    fmt.Println(geometry.Distance(p, q

calcDistance

Using AI Code Generation

1import (2type Point struct {3}4func (p Point) calcDistance(q Point) float64 {5    return math.Sqrt(math.Pow(p.x-q.x, 2) + math.Pow(p.y-q.y, 2))6}7func main() {8    p1 := Point{3, 4}9    p2 := Point{5, 6}10    fmt.Println(p1.calcDistance(p2))11}12import (13type Point struct {14}15func (p Point) calcDistance(q Point) float64 {16    return math.Sqrt(math.Pow(p.x-q.x, 2) + math.Pow(p.y-q.y, 2))17}18func (p Point) calcDistance(q Point, r Point) float64 {19    return math.Sqrt(math.Pow(p.x-q.x, 2) + math.Pow(p.y-q.y, 2) + math.Pow(q.x-r.x, 2) + math.Pow(q.y-r.y, 2))20}21func main() {22    p1 := Point{3, 4}23    p2 := Point{5, 6}24    p3 := Point{1, 2}25    fmt.Println(p1.calcDistance(p2))26    fmt.Println(p1.calcDistance(p2, p3))27}28import (29type Point struct {30}31func (p Point)

calcDistance

Using AI Code Generation

1import "fmt"2import "math"3func main() {4    fmt.Print("Enter x1: ")5    fmt.Scanln(&x1)6    fmt.Print("Enter y1: ")7    fmt.Scanln(&y1)8    fmt.Print("Enter x2: ")9    fmt.Scanln(&x2)10    fmt.Print("Enter y2: ")11    fmt.Scanln(&y2)12    fmt.Println("Distance: ", calcDistance(x1, y1, x2, y2))13}14import "fmt"15import "math"16func main() {17    fmt.Print("Enter x1: ")18    fmt.Scanln(&x1)19    fmt.Print("Enter y1: ")20    fmt.Scanln(&y1)21    fmt.Print("Enter x2: ")22    fmt.Scanln(&x2)23    fmt.Print("Enter y2: ")24    fmt.Scanln(&y2)25    fmt.Println("Distance: ", calcDistance(x1, y1, x2, y2))26}27import "fmt"28import "math"29func main() {30    fmt.Print("Enter x1: ")31    fmt.Scanln(&x1)32    fmt.Print("Enter y1: ")33    fmt.Scanln(&y1)34    fmt.Print("Enter x2: ")35    fmt.Scanln(&x2)36    fmt.Print("Enter y2: ")37    fmt.Scanln(&y2)38    fmt.Println("Distance: ", calcDistance(x1, y1, x2, y2))39}40import "fmt"41import "math"42func main() {43    fmt.Print("Enter x1: ")44    fmt.Scanln(&x1)45    fmt.Print("Enter y1: ")46    fmt.Scanln(&y1)47    fmt.Print("Enter x2: ")48    fmt.Scanln(&x2

calcDistance

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Enter the value of x1")4    fmt.Scanln(&x1)5    fmt.Println("Enter the value of y1")6    fmt.Scanln(&y1)7    fmt.Println("Enter the value of x2")8    fmt.Scanln(&x2)9    fmt.Println("Enter the value of y2")10    fmt.Scanln(&y2)11    fmt.Println("The distance between the points is", calcDistance(x1, y1, x2, y2))12}13import "math"14func calcDistance(x1, y1, x2, y2 float64) float64 {15    return math.Sqrt(x*x + y*y)16}17import "fmt"18func main() {19    fmt.Println("Enter the value of x1")20    fmt.Scanln(&x1)21    fmt.Println("Enter the value of y1")22    fmt.Scanln(&y1)23    fmt.Println("Enter the value of x2")24    fmt.Scanln(&x2)25    fmt.Println("Enter the value of y2")26    fmt.Scanln(&y2)27    fmt.Println("The distance between the points is", calcDistance(x1, y1, x2, y2))28}29import "math"30func calcDistance(x1, y1, x2, y2 float64) float64 {31    return math.Sqrt(x*x + y*y)32}33import "fmt"34func main() {35    fmt.Println("Enter the value of x1")36    fmt.Scanln(&x1)37    fmt.Println("Enter the value of y1")38    fmt.Scanln(&

calcDistance

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Enter x1 and y1")4    fmt.Scanln(&x1, &y1)5    fmt.Println("Enter x2 and y2")6    fmt.Scanln(&x2, &y2)7    fmt.Println("Distance between points is", calcDistance(x1, x2, y1, y2))8}9import "fmt"10func main() {11    fmt.Println("Enter x1 and y1")12    fmt.Scanln(&x1, &y1)13    fmt.Println("Enter x2 and y2")14    fmt.Scanln(&x2, &y2)15    fmt.Println("Distance between points is", calcDistance(x1, x2, y1, y2))16}17import "fmt"18func main() {19    fmt.Println("Enter x1 and y1")20    fmt.Scanln(&x1, &y1)21    fmt.Println("Enter x2 and y2")22    fmt.Scanln(&x2, &y2)23    fmt.Println("Distance between points is", calcDistance(x1, x2, y1, y2))24}25import "fmt"26func main() {27    fmt.Println("Enter x1 and y1")28    fmt.Scanln(&x1, &y1)29    fmt.Println("Enter x2 and y2")30    fmt.Scanln(&x2, &y2)31    fmt.Println("Distance between points is", calcDistance(x1, x2, y1, y2))32}33import "fmt"34func main() {35    fmt.Println("Enter x1 and y1")

calcDistance

Using AI Code Generation

1import (2func main() {3    fmt.Println("Distance is: ", calcDistance(10, 20, 30, 40))4}5import (6func main() {7    fmt.Println("Distance is: ", calcDistance(10, 20, 30, 40))8}9import (10func main() {11    fmt.Println("Distance is: ", calcDistance(10, 20, 30, 40))12}

calcDistance

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, World!")4	fmt.Println(calcDistance(1, 1, 2, 2))5}6import (7func calcDistance(x1, y1, x2, y2 float64) float64 {8	return math.Sqrt(a*a + b*b)9}

calcDistance

Using AI Code Generation

1import (2func main() {3    fmt.Println(main.calcDistance(5, 12, 8, 15))4}5import (6func main() {7    fmt.Println(main.calcDistance(5, 12, 8, 15))8}9import (10func main() {11    fmt.Println(main.calcDistance(5, 12, 8, 15))12}13import (14func main() {15    fmt.Println(main.calcDistance(5, 12, 8, 15))16}17import (18func main() {19    fmt.Println(main.calcDistance(5, 12, 8, 15))20}21import (22func main() {23    fmt.Println(main.calcDistance(5, 12, 8, 15))24}25import (26func main() {27    fmt.Println(main.calcDistance(5, 12, 8, 15))28}29import (30func main() {31    fmt.Println(main.calcDistance(5, 12, 8, 15))32}33import (

calcDistance

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, 世界")4	p := Point{x: 4, y: 3}5	q := Point{x: 0, y: 0}6	fmt.Println(calcDistance(p, q))7}8type Point struct {9}10func calcDistance(p, q Point) float64 {11	return math.Hypot(q.x-p.x, q.y-p.y)12}

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