latest

examples/montecarlo/main.go

@@ -4,9 +4,9 @@ import (
 	"fmt"
 	"time"
 
-	"git.eeqj.de/sneak/pokercore"
 	"github.com/rcrowley/go-metrics"
 	"github.com/schollz/progressbar/v3"
+	"sneak.berlin/go/pokercore"
 )
 
 var gameCount = 50_000
@@ -101,13 +101,16 @@ func main() {
 	timer := metrics.NewTimer()
 	registry.Register("pokerGame", timer)
 
-	bar := progressbar.NewOptions(gameCount,
+	bar := progressbar.NewOptions(
+		gameCount,
 		progressbar.OptionSetDescription("Gambling..."),
 		progressbar.OptionShowCount(),
 		progressbar.OptionShowIts(),
 		progressbar.OptionSetPredictTime(true),
 		progressbar.OptionClearOnFinish(),
-		progressbar.OptionThrottle(100*time.Millisecond), // Update every 100ms
+		progressbar.OptionThrottle(
+			100*time.Millisecond,
+		), // Update every 100ms
 	)
 
 	for i := 0; i < gameCount; i++ {
@@ -128,11 +131,13 @@ func main() {
 	fmt.Printf("Max: %d ns\n", timer.Max())
 	fmt.Printf("Mean: %0.2f ns\n", timer.Mean())
 	fmt.Printf("StdDev: %0.2f ns\n", timer.StdDev())
-	fmt.Printf("Percentiles: 50%%: %0.2f ns, 75%%: %0.2f ns, 95%%: %0.2f ns, 99%%: %0.2f ns\n",
+	fmt.Printf(
+		"Percentiles: 50%%: %0.2f ns, 75%%: %0.2f ns, 95%%: %0.2f ns, 99%%: %0.2f ns\n",
 		timer.Percentile(0.50),
 		timer.Percentile(0.75),
 		timer.Percentile(0.95),
-		timer.Percentile(0.99))
+		timer.Percentile(0.99),
+	)
 	oneWinPercentage := float64(oneWins) / float64(gameCount) * 100
 	twoWinPercentage := float64(twoWins) / float64(gameCount) * 100
 	fmt.Printf("Player 1 won: %d (%0.2f%%)\n", oneWins, oneWinPercentage)

examples/sf/main.go

@@ -0,0 +1,56 @@
+package main
+
+import (
+	"fmt"
+
+	"sneak.berlin/go/pokercore"
+)
+
+func main() {
+	var sfp bool
+	var tries int
+	var found int
+
+	const maxTries = 100_000_000
+
+	for i := 0; i < maxTries; i++ {
+		sfp = searchStraightFlush()
+		if sfp {
+			found++
+		}
+		tries++
+		if tries%1000 == 0 {
+			fmt.Printf("Tries: %d, Found: %d\n", tries, found)
+		}
+	}
+	fmt.Printf("Tries: %d, Found: %d\n", tries, found)
+}
+
+func searchStraightFlush() bool {
+
+	d := pokercore.NewDeck()
+
+	d.ShuffleRandomly()
+
+	var hand pokercore.Cards
+
+	hand = d.Deal(7)
+
+	ph, err := hand.PokerHand()
+
+	if err != nil {
+		fmt.Println("Error: ", err)
+		return false
+	}
+
+	if ph.Type == pokercore.StraightFlush ||
+		ph.Type == pokercore.RoyalFlush {
+		fmt.Println("straight flush found")
+		fmt.Println("Hand: ", hand.FormatForTerminal())
+		fmt.Println("PokerHand: ", ph)
+		return true
+	}
+
+	return false
+
+}