func main() { rand.Seed(time.Nanoseconds()) m := ga.NewGAGaussianMutator(0.4, 0) b := new(ga.GA2PointBreeder) s := ga.NewGATournamentSelector(0.2, 5) i := new(ga.GARandomInitializer) gao := ga.NewGA(i, s, m, b) gao.PMutate = 0.5 //Chance of mutation gao.PBreed = 0.2 //Chance of breeding fmt.Printf("%s\n", gao) genome := ga.NewFloatGenome(make([]float64, 20), rosenbrock, 1, -1) gao.Init(100, genome) //Total population stopFunc := func(bestGenome ga.GAGenome) bool { return bestGenome.Score() <= 1e-2 } generations := ga.OptimizeBest(gao, stopFunc, 1000) // Run genetic algorithm for 20 generations. /** for { ga.OptimizeNgenerations(gao, 100) // Run genetic algorithm for 20 generations. best := gao.Best().(*ga.GAFloatGenome) fmt.Printf("%s = %f\n", best, best.Score()) } */ fmt.Printf("%s = %f\n", gao.Best(), gao.Best().Score()) fmt.Printf("Number of generations = %d\n", generations) fmt.Printf("Calls to score = %d\n", scores) }
func main() { context, _ := zmq.NewContext() socket, _ := context.NewSocket(zmq.PUB) defer context.Close() defer socket.Close() socket.Bind("tcp://*:5556") socket.Bind("ipc://weather.ipc") // Seed the random number generator rand.Seed(time.Nanoseconds()) // loop for a while aparently for { // make values that will fool the boss zipcode := rand.Intn(100000) temperature := rand.Intn(215) - 80 relhumidity := rand.Intn(50) + 10 msg := fmt.Sprintf("%d %d %d", zipcode, temperature, relhumidity) // Send message to all subscribers socket.Send([]byte(msg), 0) } }
func main() { rand.Seed(time.Nanoseconds()) param := ga.GAParameter{ Initializer: new(ga.GARandomInitializer), Selector: ga.NewGATournamentSelector(0.2, 5), Breeder: new(ga.GA2PointBreeder), Mutator: ga.NewGAGaussianMutator(0.4, 0), PMutate: 0.5, PBreed: 0.2} // Second parameter is the number of Optimize Processes. gao := ga.NewGAParallel(param, 4) genome := ga.NewFloatGenome(make([]float64, 20), rosenbrock, 1, -1) gao.Init(100, genome) //Total population gao.OptimizeUntil(func(best ga.GAGenome) bool { return best.Score() < 1e-3 }) best := gao.Best().(*ga.GAFloatGenome) fmt.Printf("%s = %f\n", best, best.Score()) fmt.Printf("Calls to score = %d\n", scores) }
func main() { rand.Seed(time.Seconds()) nums := rand.Perm(MAX)[:COUNT] for _, val := range nums { fmt.Println(val) } }
func main() { rand.Seed(time.Nanoseconds()) m := ga.NewMultiMutator() msh := new(ga.GAShiftMutator) msw := new(ga.GASwitchMutator) m.Add(msh) m.Add(msw) param := ga.GAParameter{ Initializer: new(ga.GARandomInitializer), Selector: ga.NewGATournamentSelector(0.7, 5), Breeder: new(ga.GA2PointBreeder), Mutator: m, PMutate: 0.2, PBreed: 0.7} gao := ga.NewGA(param) genome := ga.NewOrderedIntGenome([]int{10, 11, 12, 13, 14, 15, 16, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0}, score) gao.Init(200, genome) //Total population gao.Optimize(20) // Run genetic algorithm for 20 generations. gao.PrintTop(10) fmt.Printf("Calls to score = %d\n", scores) fmt.Printf("%s\n", m.Stats()) }
func main() { duplicate := 0 unknown := 0 rand.Seed(time.Nanoseconds()) m := hashmap.New() for i := 0; i < N; i++ { r := rand.Intn(S) if m.Has(Integer(r)) { duplicate++ } else { m.Insert(Integer(r), true) } } for i := 0; i < N; i++ { r := rand.Intn(S) if m.Has(Integer(r)) { m.Remove(Integer(r)) } else { unknown++ } } fmt.Printf("%d insertions, %d duplicates\n", N, duplicate) fmt.Printf("%d removals, %d unknown\n", N, unknown) fmt.Printf("%d left\n", m.Len()) }
func main() { rand.Seed(time.Nanoseconds()) //m := new(ga.GASwitchMutator); m := ga.NewMultiMutator() msh := new(ga.GAShiftMutator) msw := new(ga.GASwitchMutator) m.Add(msh) m.Add(msw) b := new(ga.GA2PointBreeder) s := new(ga.GATournamentSelector) s.Contestants = 5 //Contestants in Tournament s.PElite = 0.7 //Chance of best contestant winning, chance of next is PElite^2 and so on. i := new(ga.GARandomInitializer) gao := ga.NewGA(i, s, m, b) gao.PMutate = 0.2 //Chance of mutation gao.PBreed = 0.2 //Chance of breeding fmt.Printf("%s\n", gao) genome := ga.NewOrderedIntGenome([]int{10, 11, 12, 13, 14, 15, 16, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0}, score) gao.Init(200, genome) //Total population ga.OptimizeNgenerations(gao, 20) // Run genetic algorithm for 20 generations. gao.PrintTop(10) fmt.Printf("Calls to score = %d\n", scores) fmt.Printf("%s\n", m.Stats()) }
func Generate(m *Mchain, count int) string { rand.Seed(time.Nanoseconds()) t := m.Beginnings[rand.Intn(len(m.Beginnings)-1)] first, second := t.First, t.Second ret := make([]string, count, count) ret[0] = t.First ret[1] = t.Second var word string for i := 2; i < count; i++ { t := &triple{first, second, "", nil} word = m.getThird(t) first, second = second, word ret[i] = word if word == "" { return strings.Join(ret, " ") } if char := word[len(word)-1]; char == '.' { if i+WORDS_IN_SENTANCE >= count { break } } } return strings.Join(ret, " ") }
func setEpidemic(index int) { for i := 0; i < 4; i++ { for { rand.Seed(time.Nanoseconds()) diseasenum := rand.Intn(len(diseases)) curnum := 0 found := false var diseasename string for diseasename, _ = range diseases { if curnum == diseasenum { for _, dname := range epidemics { if diseasename == dname { found = true } } break } curnum++ } if !found { epidemics[index] = diseasename return } } } }
func main() { flag.Parse() if !CheckFlagsValid() { fmt.Printf("Stop training due to invalid flag setting.\n") return } rand.Seed(time.Nanoseconds()) corpus, err := lda.LoadCorpus(*corpus_file, 2) if err != nil { fmt.Printf("Error in loading: " + *corpus_file + ", due to " + err.String()) return } model := lda.CreateModel(*num_topics, corpus) accum_model := lda.NewModel(*num_topics) sampler := lda.NewSampler(*topic_prior, *word_prior, model, accum_model) for iter := 0; iter < *burn_in_iterations+*accumulate_iterations; iter++ { fmt.Printf("Iteration %d ... ", iter) if *compute_loglikelihood { fmt.Printf("log-likelihood: %f\n", sampler.CorpusLogLikelihood(corpus)) } else { fmt.Printf("\n") } sampler.CorpusGibbsSampling(corpus, true, iter < *burn_in_iterations) } if err := accum_model.SaveModel(*model_file); err != nil { fmt.Printf("Cannot save model due to " + err.String()) } return }
func makeVector(size int, shape string) vector.Vector { var v vector.Vector switch shape { case "xor": for i := 0; i < size; i++ { v.Push(&record{0xff & (i ^ 0xab), i}) } case "sorted": for i := 0; i < size; i++ { v.Push(&record{i, i}) } case "revsorted": for i := 0; i < size; i++ { v.Push(&record{size - i, i}) } case "random": rand.Seed(1) for i := 0; i < size; i++ { v.Push(&record{rand.Int(), i}) } default: panic(shape) } return v }
func main() { var ret int rand.Seed(12345) master := flag.String("m", "", "specify a master!") flag.Parse() client.Initialize(*master) //create file fd := client.Open("/newfile.txt", client.O_RDWR|client.O_CREATE) if fd < 0 { panic("could not create new file") } //close ret = client.Close(fd) if ret != client.WIN { panic("close failed") } if client.Delete("/newfile.txt") != 0 { panic("Delete failed") } fd = client.Open("/newfile.txt", client.O_RDWR) if fd != -1 { panic("open succeeded on deleted file") } fmt.Printf("\n{{{{{pass}}}}}\n") os.Exit(0) }
func main() { q, q2 := new(queue), new(queue) q.qs, q2.qs = new(stat), new(stat) // q.in, q.out = make(chan float), make(chan float); repeat := 10000 rand.Seed(2) in1, in2, in3, out := make(chan float), make(chan float), make(chan float), make(chan float) // middle1 := make(chan float); middle2 := make(chan float) middle3 := make(chan float) out2 := make(chan float, 100) out3, out4 := make(chan float, 100), make(chan float) end := make(chan bool) generate(in1, repeat) generate(in2, repeat) generate(in3, repeat) combine2(middle3, []<-chan float{in1, in2, in3}, repeat) double([]chan<- float{middle2, out2}, middle3, 3*repeat) go q.pass(out, middle2, 3*repeat) double([]chan<- float{out3, out4}, out, 3*repeat) go q2.qs.delay_count(end, out2, out3, 3*repeat) for j := 0; j < 3*repeat; j++ { <-out4 /* <-out; fmt.Printf("%f\n", <- out)*/ } <-end ave := q.qs.interval_sum / float(q.qs.out_num) fmt.Printf("Ave %f\nVar %f\n", ave, q.qs.interval_sqsum/float(q.qs.out_num)-ave*ave) fmt.Printf("Queued Num Ave %d\n", float(q2.qs.queued_num)/float(q2.qs.out_num)) }
func main() { deposit := []Element{ {10, 5}, {9, 7}, {8, 3}, {7, 1}, {6, 5}, {5, 2}, {6, 3}, {11, 9}} args := flag.Args() rand.Seed(time.Nanoseconds() % 1e9) if len(args) != 1 { fmt.Println("Do you miss to specify value for the space in the sack?") return } for _, x := range deposit { fmt.Println(x) } fmt.Println("============================") target, _ := strconv.Atoi(args[0]) tmp := genetic_choose(deposit[0:], target) fmt.Println(len(tmp)) for _, x := range tmp { fmt.Println(x) } }
func main() { if len(os.Args) <= 3 { log.Fatal("usage: portforward local remote1 remote2 remote3 ...") } localAddrString := os.Args[1] remoteAddrStrings := os.Args[2:] localAddr, err := net.ResolveTCPAddr("tcp", localAddrString) if localAddr == nil { log.Fatalf("net.ResolveTCPAddr failed: %s", err) } local, err := net.ListenTCP("tcp", localAddr) if local == nil { log.Fatalf("portforward: %s", err) } log.Printf("portforward listen on %s", localAddr) rand.Seed(time.Nanoseconds()) for { conn, err := local.Accept() if conn == nil { log.Fatalf("accept failed: %s", err) } go forward(conn, remoteAddrStrings) } }
func main() { chunkCount := 3 rand.Seed(12345) master := flag.String("m", "", "specify a master!") flag.Parse() client.Initialize(*master) fd := client.Open("/newfile.txt", client.O_RDWR|client.O_CREATE) if fd < 0 { panic("could not create new file") } s := "" for i := 0; i < chunkCount*sfs.CHUNK_SIZE; i++ { var c [1]byte c[0] = uint8(65 + rand.Intn(25)) s = s + string(c[:]) } fmt.Printf("String: %s\n", s) buf := []byte(s) ret := client.Write(fd, buf) if ret != 0 { panic("write failed") } //read data for i := 0; i < chunkCount; i++ { ret = client.Seek(fd, i*sfs.CHUNK_SIZE, client.SEEK_SET) if ret != i*sfs.CHUNK_SIZE { panic("seek failed") } data, err := client.Read(fd, sfs.CHUNK_SIZE) if err != 0 { panic("read failed") } s_ret := string(data) fmt.Printf("Got back: '%s'\n", s_ret) if s_ret != s[i*sfs.CHUNK_SIZE:(i+1)*sfs.CHUNK_SIZE] { fmt.Printf("Got %s but expected %s\n", s_ret, s[i*sfs.CHUNK_SIZE:(i+1)*sfs.CHUNK_SIZE]) panic("strings differ") } } //close ret = client.Close(fd) if ret != client.WIN { panic("close failed") } fmt.Printf("\n{{{{{pass}}}}}\n") os.Exit(0) }
func init() { rand.Seed(time.Nanoseconds()) // TODO: This should end up in a configuration file schema = &grapher.Schema{FileSchemas: map[string]*grapher.FileSchema{ "application/x-lightwave-book": &grapher.FileSchema{EntitySchemas: map[string]*grapher.EntitySchema{ "application/x-lightwave-entity-chapter": &grapher.EntitySchema{FieldSchemas: map[string]*grapher.FieldSchema{ "after": &grapher.FieldSchema{Type: grapher.TypeEntityBlobRef, ElementType: grapher.TypeNone, Transformation: grapher.TransformationNone}, "title": &grapher.FieldSchema{Type: grapher.TypeString, ElementType: grapher.TypeNone, Transformation: grapher.TransformationLatest}, "color": &grapher.FieldSchema{Type: grapher.TypeInt64, ElementType: grapher.TypeNone, Transformation: grapher.TransformationLatest}}}, "application/x-lightwave-entity-page": &grapher.EntitySchema{FieldSchemas: map[string]*grapher.FieldSchema{ "after": &grapher.FieldSchema{Type: grapher.TypeEntityBlobRef, ElementType: grapher.TypeNone, Transformation: grapher.TransformationNone}, "title": &grapher.FieldSchema{Type: grapher.TypeString, ElementType: grapher.TypeNone, Transformation: grapher.TransformationLatest}, "chapter": &grapher.FieldSchema{Type: grapher.TypeEntityBlobRef, ElementType: grapher.TypeNone, Transformation: grapher.TransformationNone}, "page": &grapher.FieldSchema{Type: grapher.TypePermaBlobRef, ElementType: grapher.TypeNone, Transformation: grapher.TransformationNone}}}}}, "application/x-lightwave-page": &grapher.FileSchema{EntitySchemas: map[string]*grapher.EntitySchema{ "application/x-lightwave-entity-content": &grapher.EntitySchema{FieldSchemas: map[string]*grapher.FieldSchema{ "layout": &grapher.FieldSchema{Type: grapher.TypeString, ElementType: grapher.TypeNone, Transformation: grapher.TransformationNone}, "style": &grapher.FieldSchema{Type: grapher.TypeMap, ElementType: grapher.TypeNone, Transformation: grapher.TransformationMerge}, "cssclass": &grapher.FieldSchema{Type: grapher.TypeString, ElementType: grapher.TypeNone, Transformation: grapher.TransformationLatest}, "text": &grapher.FieldSchema{Type: grapher.TypeString, ElementType: grapher.TypeNone, Transformation: grapher.TransformationMerge}}}}}}} frontPageTmpl = template.New(nil) frontPageTmpl.SetDelims("{{", "}}") if err := frontPageTmpl.ParseFile("notebook.html"); err != nil { frontPageTmplErr = fmt.Errorf("tmpl.ParseFile failed: %v", err) return } appLoginPageTmpl = template.New(nil) appLoginPageTmpl.SetDelims("{{", "}}") if err := appLoginPageTmpl.ParseFile("applogin.html"); err != nil { appLoginPageTmplErr = fmt.Errorf("tmpl.ParseFile failed: %v", err) return } http.HandleFunc("/", handleFrontPage) http.HandleFunc("/private/submit", handleSubmit) http.HandleFunc("/private/open", handleOpen) http.HandleFunc("/private/close", handleClose) http.HandleFunc("/private/listpermas", handleListPermas) http.HandleFunc("/private/listinbox", handleListInbox) http.HandleFunc("/private/listunread", handleListUnread) http.HandleFunc("/private/invitebymail", handleInviteByMail) http.HandleFunc("/private/inboxitem", handleInboxItem) http.HandleFunc("/private/markasread", handleMarkAsRead) http.HandleFunc("/private/markasarchived", handleMarkAsArchived) http.HandleFunc("/signup", handleSignup) http.HandleFunc("/logout", handleLogout) http.HandleFunc("/login", handleLogin) http.HandleFunc("/applogin", handleAppLogin) http.HandleFunc("/internal/notify", handleDelayedNotify) http.HandleFunc("/_ah/channel/connected/", handleConnect) http.HandleFunc("/_ah/channel/disconnected/", handleDisconnect) // http.HandleFunc("/import", handleImport) }
//Start takes the initial parameters from stdin func (s *State) Start() os.Error { for { line, err := stdin.ReadString('\n') if err != nil { return err } line = line[:len(line)-1] //remove the delimiter if line == "" { continue } if line == "ready" { break } words := strings.SplitN(line, " ", 2) if len(words) != 2 { panic(`"` + line + `"`) return os.NewError("invalid command format: " + line) } param, _ := strconv.Atoi(words[1]) switch words[0] { case "loadtime": s.LoadTime = (int64)(param) case "turntime": s.TurnTime = (int64)(param) case "rows": s.Rows = param case "cols": s.Cols = param case "turns": s.Turns = param case "viewradius2": s.ViewRadius2 = param case "attackradius2": s.AttackRadius2 = param case "spawnradius2": s.SpawnRadius2 = param case "player_seed": param64, _ := strconv.Atoi64(words[1]) rand.Seed(param64) case "turn": s.Turn = param default: Log.Panicf("unknown command: %s", line) } } // TODO this init stuff should probably go elsewhere s.CreateSquares() s.Stats = new(Stats) return nil }
func (ra *RmaxFSSSAgent) AgentMessage(message string) string { tokens := strings.Split(message, " ", -1) if tokens[0] == "seed" { seed, _ := strconv.Atoi64(tokens[1]) rand.Seed(seed) } return "" }
func (this *Env) EnvMessage(message string) (reply string) { tokens := strings.Split(message, " ", -1) if tokens[0] == "seed" { seed, _ := strconv.Atoi64(tokens[1]) rand.Seed(seed) } return "" }
func main() { fmt.Printf("GoStats Demo\n\n") rand.Seed(time.Nanoseconds()) incrementalRegressionDemo() batchRegressionDemo() }
// Test rand module func TestRandModule(t *testing.T) { rand.Seed(1234567890) var p int for i := 0; i < 10; i++ { p = rand.Int() println("Rand.Int() returns ", p) } }
func main() { fmt.Printf("GoStats Demo\n\n") rand.Seed(time.Nanoseconds()) incrementalDemo() batchDemo() normalDistributionDemo() }
func main() { rand.Seed(time.Nanoseconds() % 1e9) canvas.Start(width, height) canvas.Rect(0, 0, width, height, "fill:black") canvas.Gstyle("fill:none;stroke:pink") wave() canvas.Gend() canvas.End() }
func generate() *guess { rand.Seed(time.Nanoseconds()) rnd := rand.Perm(10) tmp := new(guess) for i := range tmp.nmbr { tmp.nmbr[i] = rnd[i] } return tmp }
func (b *ConwaySim) Randomize(seed int64) { rand.Seed(seed) for i := 0; i < b.Rows; i++ { for j := 0; j < b.Cols; j++ { b.Cells[i][j] = (rand.Intn(2) == 0) } } return }
func main() { rand.Seed(time.Nanoseconds()) worldhandler := new(WorldHandler) go worldhandler.Main() BServer.Setup() go BServer.Main() server := new(Listener) server.Main() }
func main() { rand.Seed(time.Nanoseconds() % 1e9) canvas.Start(width, height) canvas.Gstyle("fill:black;fill-opacity:0.5") canvas.Gtransform(fmt.Sprintf("translate(%d,%d)", width/2, height)) seed1(12, radians(270), 0, 0) canvas.Gend() canvas.Gend() canvas.End() }
func RandStrings(N int) string { rand.Seed(time.Nanoseconds()) buf := make([]byte, N+1) for i := 0; i < N; i++ { buf[i] = chars[rand.Intn(len(chars))] } return string(buf[0:N]) }
func main() { rand.Seed(time.Nanoseconds()) coef = ReadCoef() perc := CoefPercent(coef) fmt.Printf("%0.2f\t%0.2f\t%0.2f\t=%0.2f\n", perc[0], perc[1], perc[2], Sum(perc)) init := GenPopulation(POPULATION) GenerationNext(init, 15, coef) }