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export.go
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export.go
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package main
import (
"encoding/csv"
"fmt"
"io/ioutil"
"log"
"math"
"os"
"strconv"
)
// write state values of the player to a csv file
func exportValues(name string, values stateValues) {
filename := name + ".values.csv"
file, err := os.Create(filename)
if err != nil {
log.Fatal("Cannot create file", err)
}
defer file.Close()
writer := csv.NewWriter(file)
defer writer.Flush()
for state, value := range values {
row := []string{strconv.FormatInt(state, 10), strconv.FormatFloat(value, 'g', 5, 64)}
err := writer.Write(row)
if err != nil {
log.Fatal("Cannot write to file", err)
}
}
fmt.Printf("%v has %v state-values, saved into %v \n", name, len(values), filename)
return
}
// write state values of the player to a csv file
func exportValueHistory(name string, vhist stateValueHistory) {
filename := name + ".demo_states_hist.csv"
file, err := os.Create(filename)
if err != nil {
log.Fatal("Cannot create file", err)
}
defer file.Close()
writer := csv.NewWriter(file)
defer writer.Flush()
filename2 := name + ".demo_states.txt"
var s string // the "print out" of the board
for state, valueHistory := range vhist {
b, sym := stateToBoard(state)
s = s + strconv.FormatInt(state, 10) + "\n" + "player plays " + sym + "\n" + printBoard(&b, false) + "\n"
for time, value := range valueHistory {
if math.Mod(float64(time), float64(nPrintHistory)) == 0.0 {
row := []string{
strconv.FormatInt(state, 10),
strconv.Itoa(time),
strconv.FormatFloat(value, 'g', 5, 64)}
err := writer.Write(row)
if err != nil {
log.Fatal("Cannot write to file", err)
}
}
}
}
d := []byte(s)
ioutil.WriteFile(filename2, d, 0644)
fmt.Printf("%v's value histories of the %v demo states saved into %v \n", name, len(vhist), filename)
return
}