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How to use readArray method of log Package

Best K6 code snippet using log.readArray

decode.go

Source:decode.go

...88		}89	}90	if desc == descriptionArrays {91		// won't sava array element92		err1 := rec.readArray(r, length)93		if err1 != nil {94			log.Println("read bulk str err:", err1)95			return nil, err196		}97	}98	return99}100func (r *Receive) decodeSingleLine(line []byte) (length int, desc byte, err error) {101	if len(line) < 3 {102		return 0, 0, fmt.Errorf("unsupported protocol")103	}104	r.addOrg(string(line))105	desc = line[0]106	switch desc {107	// bulk string108	case DescriptionBulkStrings, descriptionArrays:109		length = readBulkOrArrayLength(line)110	case DescriptionSimpleStrings, DescriptionErrors, DescriptionIntegers:111		r.append(string(line[1:len(line)-CRLFLen]), "")112		//str = string(line[1 : len(line)-CRLFLen])113	default:114		if string(line) == "PING\r\n" {115			r.append("PING", "PING\r\n")116			return 0, DescriptionSimpleStrings, nil117		}118		return 0, 0, fmt.Errorf("unsupport protocol: %s", string(line))119	}120	return121}122func readBulkOrArrayLength(line []byte) int {123	if line[0] == '-' {124		return -1125	}126	var (127		ln int128	)129	for i := 1; line[i] != '\r'; i++ {130		ln = (ln * 10) + int(line[i]-'0')131	}132	return ln133}134func (r *Receive) readBulkStrings(rr Reader, ln int) error {135	if ln < 0 {136		return fmt.Errorf("invalid length")137	}138	val := make([]byte, ln+2)139	_, err := rr.Read(val)140	if err != nil {141		return err142	}143	// trim last \r\n144	r.append(string(val[:ln]), string(val))145	return nil146}147func (r *Receive) readArray(rr Reader, ln int) error {148	for i := 0; i < ln; i++ {149		line, err := rr.ReadBytes('\n')150		if err != nil {151			return err152		}153		if line[0] == descriptionArrays {154			subErr := r.readArray(rr, readBulkOrArrayLength(line))155			if subErr != nil {156				return subErr157			}158		}159		length, desc, err := r.decodeSingleLine(line)160		if err != nil {161			return err162		}163		if desc == DescriptionBulkStrings {164			err = r.readBulkStrings(rr, length)165			if err != nil {166				log.Println("read bulk str err:", err)167				return err168			}...

compute_pagerank.go

Source:compute_pagerank.go

1// Using the data in backlinks, backlinks_count, backlinks_cumsum, and2// outlinks_count, we compute the pagerank for each page id, and write it as an3// array to pageranks.out4package main5import (6	"fmt"7	"log"8	"sync/atomic"9	"sync"10	"math"11	"runtime"12	"../util"13)14const (15	// The damping factor used in each iteration of pagerank16	DAMPING = 0.8517	// The threshold for finishing iteration18	CHANGE_THRESHOLD = 0.000000119)20// Updates the pagerank for every page in `pagerank`. The `pagerank` array21// actually contains floating point numbers, but in order to use atomic compare22// and swap operations, the floats are encoded as uint32 values. This function23// is thread safe.24func pagerank_iter(pageranks, backlinks, backlinks_count,25	backlinks_cumsum, outlinks_count []uint32, num_pages uint32, damping float32) {26	damping_sum := (1 - damping) / float32(num_pages)27	for id := range(pageranks) {28		for {29			old := pageranks[id]30			// We use the update specified by31			// https://en.wikipedia.org/wiki/Pagerank#Simplified_algorithm32			// with the damping factor33			var start int34			if id == 0 {35				start = 036			} else {37				start = int(backlinks_cumsum[id-1])38			}39			end := start + int(backlinks_count[id])40			sum_of_backlink_ranks := float32(0)41			for i := start; i < end; i++ {42				link := int(backlinks[i])43				term := math.Float32frombits(pageranks[link]) /44					float32(outlinks_count[link])45				sum_of_backlink_ranks += term46			}47			final := math.Float32bits(damping_sum + damping*sum_of_backlink_ranks)48			if atomic.CompareAndSwapUint32(&pageranks[id], old, final) {49				break50			}51		}52	}53}54// Returns the average difference per value55func compute_difference(pageranks, old_pageranks []uint32) (diff float32) {56	for i := range pageranks {57		diff += float32(math.Abs(float64(pageranks[i] - old_pageranks[i])))58	}59	return diff / float32(len(pageranks))60}61func main() {62	runtime.GOMAXPROCS(runtime.NumCPU())63	backlinks, err := util.ReadArray("backlinks.out")64	if err != nil {65		log.Fatal(err)66	}67	backlinks_count, err := util.ReadArray("backlinks_count.out")68	if err != nil {69		log.Fatal(err)70	}71	backlinks_cumsum, err := util.ReadArray("backlinks_cumsum.out")72	if err != nil {73		log.Fatal(err)74	}75	outlinks_count, err := util.ReadArray("outlinks_count.out")76	if err != nil {77		log.Fatal(err)78	}79	var num_pages uint3280	for _, v := range outlinks_count {81		if v > 0 {82			num_pages++83		}84	}85	old_pageranks := make([]uint32, len(backlinks_count))86	pageranks := make([]uint32, len(backlinks_count))87	// Initialize each page rank to 188	for i := range pageranks {89		old_pageranks[i] = math.Float32bits(1.0 / float32(len(backlinks_count)))90	}91	copy(pageranks, old_pageranks)92	// We iteratively run page rank until the difference between iterations93	// drops below some threshold94	for {95		var wg sync.WaitGroup96		for i := 0; i < 10; i++ {97			wg.Add(1)98			go func() {99				defer wg.Done()100				pagerank_iter(pageranks, backlinks, backlinks_count, backlinks_cumsum,101					outlinks_count, num_pages, DAMPING)102			}()103		}104		wg.Wait()105		diff := compute_difference(pageranks, old_pageranks)106		if diff < CHANGE_THRESHOLD {107			break108		}109		copy(old_pageranks, pageranks)110	}111	// Write the pageranks112	fmt.Println("Writing pageranks")113	util.WriteArray("pageranks.out", pageranks)114}...

main.go

Source:main.go

...9	"gonum.org/v1/gonum/floats"10	"gonum.org/v1/gonum/mat"11	"algebra-num-methods/lab1/entities"12)13func readArray(n int, reader *bufio.Reader) []float64 {14	str, _ := reader.ReadString('\n')15	nums := strings.Split(str, " ")16	log.Println(nums)17	result := make([]float64, n)18	i := 019	for _, num := range nums {20		numF, err := strconv.ParseFloat(num, 64)21		if err == nil {22			result[i] = numF23			i++24		}25	}26	return result27}28// func readMatrix() *entities.Matrix {29//30// }31func testVector() {32	n := 533	lVec := []float64{1, 2, 3, 4, 5}34	rVec := []float64{5, 4, 3, 2, 1}35	vector := entities.NewVector(n, lVec)36	result := vector.DotProduct(entities.NewVector(n, rVec))37	libResult := floats.Dot(lVec, rVec)38	if result != libResult {39		log.Println(fmt.Sprintf("my: %v, lib: %v", result, libResult))40	}41}42func Flat(x [][]float64) []float64 {43	result := []float64{}44	for _, r := range x {45		for _, c := range r {46			result = append(result, c)47		}48	}49	return result50}51func testMatrix() {52	n := 553	m := 554	lMat := [][]float64{55		{1, 2, 3, 4, 5},56		{1, 2, 3, 4, 5},57		{1, 2, 3, 4, 5},58		{1, 2, 3, 4, 5},59		{1, 2, 3, 4, 5},60	}61	rMat := [][]float64{62		{5, 4, 3, 2, 1},63		{5, 4, 3, 2, 1},64		{5, 4, 3, 2, 1},65		{5, 4, 3, 2, 1},66		{5, 4, 3, 2, 1},67	}68	myMatrix := entities.NewMatrix(m, n, lMat)69	result := myMatrix.MultiplyMatrix(entities.NewMatrix(m, n, rMat))70	libResult := mat.NewDense(n, m, Flat(lMat))71	libResult.Mul(libResult, mat.NewDense(n, m, Flat(rMat)))72	fmt.Println("my:", result, "lib:", libResult)73}74func readInt(reader *bufio.Reader) int {75	n, _ := reader.ReadString('\n')76	nInt, _ := strconv.ParseInt(n, 10, 64)77	return int(nInt)78}79func Main() {80	f, err := os.Open("lab1/test/1")81	if err != nil {82		log.Fatal(err)83	}84	defer f.Close()85	reader := bufio.NewReader(f)86	vecL := readArray(readInt(reader), reader)87	vecR := readArray(readInt(reader), reader)88	fmt.Println(vecL, vecR)89	// testVector()90	// testMatrix()91}...

readArray

Using AI Code Generation

1import (2func main() {3	log.ReadArray()4}5import (6func main() {7	log.WriteArray()8}9import (10func main() {11	log.ReadArray()12}13import (14func main() {15	log.WriteArray()16}17import (18func main() {19	log.ReadArray()20}21import (22func main() {23	log.WriteArray()24}25import (26func main() {27	log.ReadArray()28}29import (30func main() {31	log.WriteArray()32}33import (34func main() {35	log.ReadArray()36}37import (38func main() {39	log.WriteArray()40}41import (42func main() {43	log.ReadArray()44}45import (46func main() {47	log.WriteArray()48}49import (50func main() {51	log.ReadArray()52}

readArray

Using AI Code Generation

1import (2type Log struct {3}4func (l *Log) Add(s string) {5}6func (l *Log) String() string {7}8func readArray(a interface{}) {9	t := reflect.TypeOf(a)10	if t.Kind() != reflect.Array && t.Kind() != reflect.Slice {11		fmt.Println("readArray() not an array/slice")12	}13	v := reflect.ValueOf(a)14	for i := 0; i < v.Len(); i++ {15		fmt.Println(v.Index(i))16	}17}18func main() {19	var x [3]int = [3]int{1, 2, 3}20	readArray(x)21}22import (23type Log struct {24}25func (l *Log) Add(s string) {26}27func (l *Log) String() string {28}29func readArray(a interface{}) {30	t := reflect.TypeOf(a)31	if t.Kind() != reflect.Array && t.Kind() != reflect.Slice {32		fmt.Println("readArray() not an array/slice")33	}34	v := reflect.ValueOf(a)35	for i := 0; i < v.Len(); i++ {36		fmt.Println(v.Index(i))37	}38}39func main() {40	var x []int = []int{1, 2, 3}41	readArray(x)42}43import (44type Log struct {45}46func (l *Log) Add(s string) {47}48func (l *Log) String() string {49}50func readArray(a interface{}) {51	t := reflect.TypeOf(a)52	if t.Kind() != reflect.Array && t.Kind() != reflect.Slice {53		fmt.Println("readArray() not an array/slice")54	}55	v := reflect.ValueOf(a)56	for i := 0; i < v.Len(); i++ {

readArray

Using AI Code Generation

1import (2func main() {3	log1.ReadArray()4	fmt.Println(log1)5}6import (7func main() {8	log1.ReadArray()9	fmt.Println(log1)10}11import (12func main() {13	log1.ReadArray()14	fmt.Println(log1)15}16import (17func main() {18	log1.ReadArray()19	fmt.Println(log1)20}21import (22func main() {23	log1.ReadArray()24	fmt.Println(log1)25}26import (27func main() {28	log1.ReadArray()29	fmt.Println(log1)30}31import (32func main() {33	log1.ReadArray()34	fmt.Println(log1)35}36import (37func main() {38	log1.ReadArray()39	fmt.Println(log1)40}41import (42func main() {43	log1.ReadArray()44	fmt.Println(log1)45}46import (47func main() {48	log1.ReadArray()49	fmt.Println(log1)50}

readArray

Using AI Code Generation

1import (2func main() {3	fmt.Println("Enter the number of elements in array:")4	fmt.Scanln(&n)5	fmt.Println("Enter the elements of the array:")6	for i := 0; i < n; i++ {7		fmt.Scanln(&temp)8		arr = append(arr, temp)9	}10	fmt.Println("The array is:")11	log.ReadArray(arr)12}13import (14func main() {15	fmt.Println("Enter the number of elements in array:")16	fmt.Scanln(&n)17	fmt.Println("Enter the elements of the array:")18	for i := 0; i < n; i++ {19		fmt.Scanln(&temp)20		arr = append(arr, temp)21	}22	fmt.Println("The array is:")23	log.WriteArray(arr)24}25import (26func main() {27	fmt.Println("Enter the number of rows in matrix:")28	fmt.Scanln(&n)29	fmt.Println("Enter the number of columns in matrix:")30	fmt.Scanln(&m)31	fmt.Println("Enter the elements of the matrix:")32	for i := 0; i < n; i++ {33		for j := 0; j < m; j++ {34			fmt.Scanln(&temp)35			arr = append(arr, temp)36		}37		mat = append(mat, arr)38	}39	fmt.Println("The matrix is:")40	log.ReadMatrix(mat)41}42import (43func main() {44	fmt.Println("Enter the number of rows in matrix:")45	fmt.Scanln(&n)46	fmt.Println("Enter the number of columns in matrix:")47	fmt.Scanln(&m)48	fmt.Println("Enter the elements of the matrix:")49	for i := 0; i < n; i++ {

readArray

Using AI Code Generation

1import (2func main() {3	fmt.Println("Enter the number of elements to be entered in the array:")4	fmt.Scanln(&n)5	fmt.Println("Enter the elements of the array:")6	var arr = readArray(n)7	fmt.Println("The entered array is:")8	for i := 0; i < n; i++ {9		fmt.Print(arr[i], " ")10	}11}12import (13func main() {14	fmt.Println("Enter the number of elements to be entered in the array:")15	fmt.Scanln(&n)16	fmt.Println("Enter the elements of the array:")17	var arr = readArray(n)18	fmt.Println("The entered array is:")19	for i := 0; i < n; i++ {20		fmt.Print(arr[i], " ")21	}22}23import (24func main() {25	fmt.Println("Enter the number of elements to be entered in the array:")26	fmt.Scanln(&n)27	fmt.Println("Enter the elements of the array:")28	var arr = readArray(n)29	fmt.Println("The entered array is:")30	for i := 0; i < n; i++ {31		fmt.Print(arr[i], " ")32	}33}34import (35func main() {36	fmt.Println("Enter the number of elements to be entered in the array:")37	fmt.Scanln(&n)38	fmt.Println("Enter the elements of the array:")39	var arr = readArray(n)40	fmt.Println("The entered array is:")41	for i := 0; i < n; i++ {42		fmt.Print(arr[i], " ")43	}44}45import (46func main() {47	fmt.Println("Enter the number of elements to be entered in the array:")48	fmt.Scanln(&n)49	fmt.Println("Enter the elements of the array:")50	var arr = readArray(n)51	fmt.Println("The entered array is:")

readArray

Using AI Code Generation

1import (2func main() {3	var arr = []int{1, 2, 3}4	fmt.Println("array is ", arr)5	log.Println("array is ", arr)6}7import (8func main() {9	var map1 = map[string]int{"one": 1, "two": 2, "three": 3}10	fmt.Println("map is ", map1)11	log.Println("map is ", map1)12}13import (14type person struct {15}16func main() {17	var p = person{"John", 20}18	fmt.Println("person is ", p)19	log.Println("person is ", p)20}21import (22type person struct {23}24func main() {25	var p = person{"John", 20}26	fmt.Println("person is ", p)27	log.Println("person is ", &p)28}29import (30type person struct {31}32type human interface {33	read()34}35func (p person) read() {36	fmt.Println("person is ", p)37}38func main() {

readArray

Using AI Code Generation

1import (2func main() {3	fmt.Println("Read the array")4	log.ReadArray()5}6import (7func main() {8	fmt.Println("Read the map")9	log.ReadMap()10}11import (12func main() {13	fmt.Println("Write the array")14	log.WriteArray()15}16import (17func main() {18	fmt.Println("Write the map")19	log.WriteMap()20}21import (22func main() {23	fmt.Println("Read the map")24	log.ReadMap()25}26import (27func main() {28	fmt.Println("Write the map")29	log.WriteMap()30}31import (32func main() {33	fmt.Println("Read the map")34	log.ReadMap()35}36import (37func main() {38	fmt.Println("Write the map")39	log.WriteMap()40}41import (42func main() {43	fmt.Println("Read the map")44	log.ReadMap()45}46import (47func main() {48	fmt.Println("Write the map")

readArray

Using AI Code Generation

1import (2type Log struct {3}4func (l *Log) ReadArray() []Log {5	file, err := os.Open("log.txt")6	if err != nil {7		log.Fatalf("failed opening file: %s", err)8	}9	defer file.Close()10	scanner := bufio.NewScanner(file)11	for scanner.Scan() {12		split := strings.Split(scanner.Text(), " ")13		logID, err := strconv.Atoi(split[0])14		if err != nil {15			fmt.Println("Error converting log id to int")16		}17		logTime, err := time.Parse("15:04:05", split[1])18		if err != nil {19			fmt.Println("Error converting log time to time")20		}21		log := Log{LogID: logID, LogTime: logTime, LogMessage: split[2]}22		logArray = append(logArray, log)23	}24}25func main() {26	logArray := log.ReadArray()27	fmt.Println(logArray)28}

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