How to use Float64 method of main Package

Best Syzkaller code snippet using main.Float64

main.go

Source:main.go Github

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1package main2import (3 "fmt"4 "github.com/aclements/go-moremath/mathx"5 "math"6 "sort"7)8type sort2 struct {9 x []float6410 y []float6411}12func (s sort2) Len() int { return len(s.x) }13func (s sort2) Less(i, j int) bool { return s.x[i] < s.x[j] }14func (s sort2) Swap(i, j int) {15 s.x[i], s.x[j] = s.x[j], s.x[i]16 s.y[i], s.y[j] = s.y[j], s.y[i]17}18// crank overwrites the entries in with their ranks19func crank(w []float64) float64 {20 j, ji, jt, n := 1, 0, 0, len(w)21 var rank float6422 var s float6423 for j < n {24 if w[j] != w[j-1] {25 w[j-1] = float64(j)26 j++27 } else {28 for jt = j + 1; jt <= n && w[jt-1] == w[j-1]; jt++ {29 // empty30 }31 rank = 0.5 * (float64(j) + float64(jt) - 1)32 for ji = j; ji <= (jt - 1); ji++ {33 w[ji-1] = rank34 }35 t := float64(jt - j)36 s += (t*t*t - t)37 j = jt38 }39 }40 if j == n {41 w[n-1] = float64(n)42 }43 return s44}45// Spearman returns the rank correlation coefficient between data1 and data2, and the associated p-value46func Spearman(data1, data2 []float64) (rs float64, p float64) {47 n := len(data1)48 wksp1, wksp2 := make([]float64, n), make([]float64, n)49 copy(wksp1, data1)50 copy(wksp2, data2)51 sort.Sort(sort2{wksp1, wksp2})52 sf := crank(wksp1)53 sort.Sort(sort2{wksp2, wksp1})54 sg := crank(wksp2)55 d := 0.056 for j := 0; j < n; j++ {57 sq := wksp1[j] - wksp2[j]58 d += (sq * sq)59 }60 en := float64(n)61 en3n := en*en*en - en62 fac := (1.0 - sf/en3n) * (1.0 - sg/en3n)63 // без math.Sqrt(fac) работает аналогично ходашинской формуле64 rs = (1.0 - (6.0/en3n)*(d+(sf+sg)/12.0)) / math.Sqrt(fac)65 if fac = (rs + 1.0) * (1.0 - rs); fac > 0 {66 t := rs * math.Sqrt((en-2.0)/fac)67 df := en - 2.068 p = mathx.BetaInc(df/(df+t*t), 0.5*df, 0.5)69 }70 return rs, p71}72func sqr(x float64) float64 { return x * x }73func KendallW(mainMatrix [][]float64) (kendallw float64, s float64) {74 numExp := len(mainMatrix)75 numAlt := len(mainMatrix[0])76 var sumCRank float6477 sumRank := make([]float64, numAlt)78 wksp1, wksp2 := make([]float64, numExp), make([]float64, numExp)79 for i := 0; i < numExp; i++ {80 copy(wksp1, mainMatrix[i])81 copy(wksp2, mainMatrix[i])82 sort.Sort(sort2{wksp1, wksp2})83 sf := crank(wksp1)84 //fmt.Println(mainMatrix[i])85 sumCRank += sf86 }87 rankMatrix := rankingTwoDimensional(mainMatrix)88 for i := 0; i < len(rankMatrix[0]); i++ {89 for j := 0; j < len(rankMatrix); j++ {90 sumRank[i] += rankMatrix[j][i]91 }92 }93 for i := 0; i < len(sumRank); i++ {94 s += math.Pow(sumRank[i]-0.5*float64(numExp)*(float64(numAlt)+1), 2)95 }96 //math.Pow(rankMatrix[i][j]-0.5*float64(numExp)*(float64(numAlt)+1), 2)97 down := math.Pow(float64(numExp), 2)*(math.Pow(float64(numAlt), 3)-float64(numAlt)) - float64(numExp)*sumCRank98 return 12 * s / down, s99}100func rankingTwoDimensional(mainMatrix [][]float64) [][]float64 {101 n := len(mainMatrix) //4102 m := len(mainMatrix[1]) //6103 rankMatrix := make([][]float64, n)104 for i := 0; i < n; i++ {105 rankMatrix[i] = make([]float64, m)106 }107 for i := range mainMatrix {108 for p := 0; p < len(mainMatrix[1]); p++ {109 r := 1110 s := 1111 for j := 0; j < len(mainMatrix[1]); j++ {112 if j != p && mainMatrix[i][j] < mainMatrix[i][p] {113 r += 1114 }115 if j != p && mainMatrix[i][p] == mainMatrix[i][j] {116 s += 1117 }118 }119 rankMatrix[i][p] = float64(r) + float64(s-1)/2.0120 //rankMatrix[i][p] = float64(r) + float64(s-1)/2.0 запасной вариант121 }122 }123 /* для одной строки124 for i := 0; i < len(mainMat); i++ {125 r := 1126 s := 1127 for j := 0; j < len(mainMat); j++ {128 if j != i && mainMat[j] < mainMat[i] {129 r += 1130 }131 if j != i && mainMat[j] == mainMat[i] {132 s += 1133 }134 }135 rankMatrix = append(rankMatrix, float64(r)+float64(s-1)/2.0)136 }137 */138 return rankMatrix139}140func commonMatrix(mainMatrix [][]float64) [][][]int {141 n := len(mainMatrix) //4142 m := len(mainMatrix[1]) //6143 compMatrix := make([][][]int, n)144 for i := 0; i < n; i++ {145 compMatrix[i] = make([][]int, m)146 for j := 0; j < m; j++ {147 compMatrix[i][j] = make([]int, m)148 }149 }150 for p := 0; p < n; p++ {151 //fmt.Println("----------")152 for i := 0; i < m; i++ {153 //fmt.Println("/////////")154 for j := 0; j < m; j++ {155 if mainMatrix[p][i] > mainMatrix[p][j] {156 compMatrix[p][i][j] = 1157 //fmt.Println(1)158 }159 if mainMatrix[p][i] < mainMatrix[p][j] {160 compMatrix[p][i][j] = -1161 //fmt.Println(-1)162 }163 if mainMatrix[p][i] == mainMatrix[p][j] {164 compMatrix[p][i][j] = 0165 //fmt.Println(0)166 }167 }168 }169 }170 return compMatrix171}172func pairComparison(commonMatrix [][][]int, numberExpert int) []float64 {173 //comparisonNumber := ((len(commonMatrix) * len(commonMatrix)) - len(commonMatrix)) / 2174 matrixNumber := len(commonMatrix)175 matrixRows := len(commonMatrix[0])176 matrixNumberInRows := len(commonMatrix[0][0])177 var (178 elemsPairComparison []float64 //для сохранение элементов матриц после выполнения сравнения179 sum float64 //для сложения элементов матриц после сравнения для добавления в массив180 sum1 float64 //для сложения строк суммированных элементов181 sumOfElemsPairComparison []float64 //массив из сумм строк элементов после сравнения182 k0 int //счётчик для получения суммированных строк183 k1 int //счётчик для получения итоговых значений попарных сравнений184 result []float64 //итоговые значения попарных сравнений185 //mean []float64 //медиана186 )187 for p := 0; p < matrixNumber; p++ {188 for q := p + 1; q < matrixNumber; q++ {189 for i := 0; i < matrixRows; i++ {190 for j := 0; j < matrixNumberInRows; j++ {191 k := math.Abs(float64(commonMatrix[p][i][j] - commonMatrix[q][i][j]))192 elemsPairComparison = append(elemsPairComparison, k)193 }194 }195 }196 }197 for j := 0; j < len(elemsPairComparison); j++ {198 k0++199 sum += elemsPairComparison[j]200 if k0 == matrixRows {201 k0 = 0202 sumOfElemsPairComparison = append(sumOfElemsPairComparison, sum)203 sum = 0204 }205 }206 for i := 0; i < len(sumOfElemsPairComparison); i++ {207 k1++208 sum1 += sumOfElemsPairComparison[i]209 if k1 == matrixRows {210 k1 = 0211 result = append(result, 0.5*sum1)212 sum1 = 0213 }214 }215 for p := 0; p < numberExpert; p++ {216 for i := 0; i < len(sumOfElemsPairComparison)-numberExpert-1; i++ {217 }218 }219 return result220}221func matrixSpearman(mainMatrix [][]float64) {222 for i := 0; i < len(mainMatrix); i++ {223 for j := i + 1; j < len(mainMatrix); j++ {224 value, pValue := Spearman(mainMatrix[i], mainMatrix[j])225 if pValue < 0.05 {226 fmt.Println(value, " | отвергается гипотеза об отсутсвуии корр. связи")227 } else {228 fmt.Println(value, " | подтверждается гипотеза об отсутсвуии корр. связи")229 }230 }231 }232}233func main() {234 /*235 {2, 1, 1, 1},236 {1, 2, 1, 1},237 {3, 2, 1, 2},238 {4, 3, 3, 3},239 {4, 4, 2, 3},240 {5, 5, 4, 4},241 */242 mainMatrix := [][]float64{243 {2, 1, 3, 4, 4, 5},244 {1, 2, 2, 3, 4, 5},245 {1, 1, 1, 3, 2, 4},246 {1, 1, 2, 3, 3, 4},247 {3, 1, 3, 4, 3, 2},248 }249 //fmt.Println(rankingTwoDimensional(mainMatrix))250 resultRanking := rankingTwoDimensional(mainMatrix)251 result := commonMatrix(mainMatrix)252 fmt.Println("Ранжировка (1 критерий):\n")253 for i := range result {254 fmt.Println("Эксперт №", i+1, ":", resultRanking[i])255 }256 fmt.Println("\nОбобщённые ранжировки:\n")257 for i := range result {258 fmt.Println("Эксперт №", i+1, ":", result[i])259 }260 fmt.Println("\nЗначения для расчёта медианы: ", pairComparison(result, 4), "\n")261 fmt.Println("Гипотезы наличия корреляционной связи: \n")262 matrixSpearman(mainMatrix)263 kendalW, s := KendallW(mainMatrix)264 fmt.Println("\nОценка согласованности экспертов:\nW: ", kendalW, "\nS: ", s, "\n")265}...

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values.go

Source:values.go Github

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...75 }76 panic(fmt.Sprintf("wrong point: %v: %v", t, c))77}78func (s *Product) SetCurrent(t Temperature, c ScaleType, value float64) {79 v := sql.NullFloat64{Float64: value, Valid: true}80 switch c {81 case Fon:82 switch t {83 case -20:84 s.IFMinus20 = v85 return86 case 20:87 s.IFPlus20 = v88 return89 case 50:90 s.IFPlus50 = v91 return92 }93 case Sens:94 switch t {95 case -20:96 s.ISMinus20 = v97 return98 case 20:99 s.ISPlus20 = v100 return101 case 50:102 s.ISPlus50 = v103 return104 }105 }106 panic(fmt.Sprintf("wrong point: %v: %v", t, c))107}108func (s *Product) SetMainErrorCurrent(pt MainErrorPt, value float64) {109 v := sql.NullFloat64{Float64: value, Valid: true}110 switch pt {111 case MainError17:112 s.I17 = v113 return114 case MainError24:115 s.I24 = v116 return117 case MainError26:118 s.I26 = v119 return120 case MainError35:121 s.I35 = v122 return123 }124 log.Panicf("wrong point: %v", pt)125}126func (s ProductInfo) Current(t Temperature, c ScaleType) sql.NullFloat64 {127 switch c {128 case Fon:129 switch t {130 case -20:131 return s.IFMinus20132 case 20:133 return s.IFPlus20134 case 50:135 return s.IFPlus50136 }137 case Sens:138 switch t {139 case -20:140 return s.ISMinus20141 case 20:142 return s.ISPlus20143 case 50:144 return s.ISPlus50145 }146 }147 log.Panicf("wrong point: %v: %v", t, c)148 return sql.NullFloat64{}149}150func (s ProductInfo) CurrentValue(t Temperature, c ScaleType) (float64, error) {151 v := s.Current(t, c)152 if !v.Valid {153 str := "фонового тока"154 if c == Sens {155 str = "тока чувствительности"156 }157 return 0, merry.Errorf("нет значения %s при %g⁰С", str, t)158 }159 return v.Float64, nil160}161func (s ProductInfo) KSensPercentValues(includeMinus20 bool) (map[float64]float64, error) {162 if _, err := s.CurrentValue(20, Fon); err != nil {163 return nil, err164 }165 if _, err := s.CurrentValue(20, Sens); err != nil {166 return nil, err167 }168 if !s.KSens50.Valid {169 return nil, merry.New("нет значения к-та чувствительности при 50⁰С")170 }171 r := map[float64]float64{172 20: 100,173 50: s.KSens50.Float64,174 }175 if s.KSensMinus20.Valid {176 r[-20] = s.KSensMinus20.Float64177 } else {178 if includeMinus20 {179 return nil, merry.New("нет значения к-та чувствительности при -20⁰С")180 }181 }182 return r, nil183}...

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Float64

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1import (2func main() {3 fmt.Println(math.Float64frombits(0x7FF0000000000001))4 fmt.Println(math.Float64frombits(0x7FF0000000000000))5 fmt.Println(math.Float64frombits(0x7FEFFFFFFFFFFFFF))6 fmt.Println(math.Float64frombits(0x0010000000000000))7 fmt.Println(math.Float64frombits(0x000FFFFFFFFFFFFF))8 fmt.Println(math.Float64frombits(0x0000000000000001))9 fmt.Println(math.Float64frombits(0x0000000000000000))10 fmt.Println(math.Float64frombits(0x8000000000000001))11 fmt.Println(math.Float64frombits(0x8000000000000000))12 fmt.Println(math.Float64frombits(0x800FFFFFFFFFFFFF))13}

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Float64

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1import (2func main() {3 fmt.Println(math.Floor(2.75))4 fmt.Println(math.Ceil(2.75))5 fmt.Println(math.Sqrt(16))6}

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Float64

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1import (2func main() {3 fmt.Println(math.Float64frombits(0x7FF8000000000000))4 fmt.Println(math.Float64frombits(0x7FF0000000000001))5 fmt.Println(math.Float64frombits(0xFFF0000000000001))6}7Related Posts: Golang | math.Float32bits() method8Golang | math.Float32frombits() method9Golang | math.Float64bits() method10Golang | math.Float64frombits() method11Golang | math.Copysign() method12Golang | math.Max() method13Golang | math.Min() method14Golang | math.Mod() method15Golang | math.Modf() method16Golang | math.Remainder() method17Golang | math.Round() method18Golang | math.RoundToEven() method19Golang | math.Sqrt() method20Golang | math.Trunc() method21Golang | math.Abs() method22Golang | math.Ceil() method23Golang | math.Floor() method24Golang | math.Pow() method25Golang | math.Exp() method26Golang | math.Exp2() method27Golang | math.Log() method28Golang | math.Log2() method29Golang | math.Log10() method30Golang | math.Log1p() method31Golang | math.Hypot() method32Golang | math.Sin() method33Golang | math.Cos() method34Golang | math.Tan() method35Golang | math.Asin() method36Golang | math.Acos() method37Golang | math.Atan() method38Golang | math.Atan2() method39Golang | math.SinH() method40Golang | math.CosH() method41Golang | math.TanH() method42Golang | math.AsinH() method43Golang | math.AcosH() method44Golang | math.AtanH() method45Golang | math.AsinH() method46Golang | math.AcosH() method47Golang | math.AtanH() method48Golang | math.Dim() method49Golang | math.Signbit() method50Golang | math.Frexp() method

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Float64

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1import (2func main() {3 f := MyFloat(-math.Sqrt2)4 fmt.Println(f.Float64())5}6import (7func (f *MyFloat) Abs() float64 {8 if *f < 0 {9 return float64(-*f)10 }11 return float64(*f)12}13func main() {14 f := MyFloat(-math.Sqrt2)15 fmt.Println(f.Abs())16}17import (18func (f *MyFloat) Abs() float64 {19 if *f < 0 {20 return float64(-*f)21 }22 return float64(*f)23}24func main() {25 f := MyFloat(-math.Sqrt2)26 fmt.Println(f.Abs())27}28import (29func (f *MyFloat) Abs() float64 {30 if *f < 0 {31 return float64(-*f)32 }33 return float64(*f)34}35func main() {36 f := MyFloat(-math.Sqrt2)37 fmt.Println(f.Abs())38}39import (40func (f *MyFloat) Abs() float64 {41 if *f < 0 {42 return float64(-*f)43 }44 return float64(*f)45}46func main() {47 f := MyFloat(-math.Sqrt2)48 fmt.Println(f.Abs())49}50import (51func (f *MyFloat) Abs() float64 {52 if *f < 0 {53 return float64(-*f)54 }55 return float64(*f)56}

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Float64

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1import (2func main() {3 f := MyFloat(-math.Sqrt2)4 fmt.Println(f.Abs())5}6import (7func main() {8 f := MyFloat(-math.Sqrt2)9 fmt.Println(f.Abs())10}11import (12func main() {13 f := MyFloat(-math.Sqrt2)14 fmt.Println(f.Abs())15}16import (17func main() {18 f := MyFloat(-math.Sqrt2)19 fmt.Println(f.Abs())20}21import (22func main() {23 f := MyFloat(-math.Sqrt2)24 fmt.Println(f.Abs())25}26import (27func main() {28 f := MyFloat(-math.Sqrt2)29 fmt.Println(f.Abs())30}31import (32func main() {33 f := MyFloat(-math.Sqrt2)34 fmt.Println(f.Abs())35}36import (37func main() {38 f := MyFloat(-math.Sqrt2)39 fmt.Println(f.Abs())40}41import (42func main() {43 f := MyFloat(-math.Sqrt2)44 fmt.Println(f.Abs())45}46import (47func main() {48 f := MyFloat(-math.Sqrt2)49 fmt.Println(f.Abs())50}51import (

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Float64

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1import "fmt"2func main() {3 fmt.Println(f)4}5import "fmt"6func main() {7 fmt.Println(f)8}9import "fmt"10func main() {11 fmt.Println(f)12}13import "fmt"14func main() {15 fmt.Println(f)16}17import "fmt"18func main() {19 fmt.Println(f)20}21import "fmt"22func main() {23 fmt.Println(f)24}25import "fmt"26func main() {27 fmt.Println(f)28}29import "fmt"30func main() {31 fmt.Println(f)32}33import "fmt"34func main() {35 fmt.Println(f)36}

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Float64

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1func main() {2 fmt.Println(f)3 fmt.Println(math.Floor(f))4 fmt.Println(math.Ceil(f))5 fmt.Println(math.Sqrt(f))6 fmt.Println(math.Sin(f))7 fmt.Println(math.Cos(f))8 fmt.Println(math.Tan(f))9 fmt.Println(math.Log(f))10}11const (

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Float64

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1func main() {2 fmt.Println("Hello, playground")3 fmt.Println(math.Float64frombits(1))4 fmt.Println(math.Float64frombits(2))5}6import (7func main() {8 fmt.Println("Hello, playground")9 fmt.Println(math.Float64frombits(1))10 fmt.Println(math.Float64frombits(2))11}12import (13func main() {14 fmt.Println("Hello, playground")15 fmt.Println(math.Float64frombits(1))16 fmt.Println(math.Float64frombits(2))17}18import (19func main() {20 fmt.Println("Hello, playground")21 fmt.Println(math.Float64frombits(1))22 fmt.Println(math.Float64frombits(2))23}24import (25func main() {26 fmt.Println("Hello, playground")27 fmt.Println(math.Float64frombits(1))28 fmt.Println(math.Float64frombits(2))29}30import (31func main() {32 fmt.Println("Hello, playground")33 fmt.Println(math.Float64frombits(1))34 fmt.Println(math.Float64frombits(2))35}36import (37func main() {38 fmt.Println("Hello, playground")39 fmt.Println(math.Float64from

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