Seven-sided dice from five-sided dice: Difference between revisions
Seven-sided dice from five-sided dice en FreeBASIC
(Updated the messages displayed by the checker.) |
(Seven-sided dice from five-sided dice en FreeBASIC) |
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Distribution potentially skewed for bucket 6 Expected: 142857 Actual: 142163
Distribution potentially skewed for bucket 7 Expected: 142857 Actual: 142513</pre>
=={{header|FreeBASIC}}==
{{trans|Liberty BASIC}}
<lang freebasic>
Function dice5() As Integer
Return Int(Rnd * 5) + 1
End Function
Function dice7() As Integer
Dim As Integer temp
Do
temp = dice5() * 5 + dice5() -6
Loop Until temp < 21
Return (temp Mod 7) +1
End Function
Function distCheck(n As Ulongint, delta As Double) As Ulongint
Dim As Ulongint a(n)
Dim As Ulongint maxBucket = 0
Dim As Ulongint minBucket = 1000000
For i As Ulongint = 1 To n
a(i) = dice5()
If a(i) > maxBucket Then maxBucket = a(i)
If a(i) < minBucket Then minBucket = a(i)
Next i
Dim As Ulongint nBuckets = maxBucket + 1
Dim As Ulongint buckets(maxBucket)
For i As Ulongint = 1 To n
buckets(a(i)) += 1
Next i
Dim As Ulongint expected = n / (maxBucket-minBucket+1)
Dim As Ulongint minVal = Int(expected*(1-delta))
Dim As Ulongint maxVal = Int(expected*(1+delta))
expected = Int(expected)
Print "minVal", "Expected", "maxVal"
Print minVal, expected, maxVal
Print "Bucket", "Counter", "pass/fail"
distCheck = true
For i As Ulongint = minBucket To maxBucket
Print i, buckets(i), Iif((minVal > buckets(i)) Or (buckets(i) > maxVal),"fail","")
If (minVal > buckets(i)) Or (buckets(i) > maxVal) Then Return false ''Else Return True
Next i
End Function
Dim Shared As Ulongint n = 1000000
Print "Testing "; n; " times"
If Not(distCheck(n, 0.05)) Then Print "Test failed" Else Print "Test passed"
Sleep
</lang>
{{out}}
<pre>
Igual que la entrada de Liberty BASIC.
</pre>
=={{header|Go}}==
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