Rnd Function

Rnd palauttaa jonkin satunnaisluvun 0 - 1.

Syntaksi:


Rnd [(lauseke1)]

Palautusarvo:

Double

Parametrit:

Expression: Has no effect, is ignored if provided.

The Rnd function returns decimal fractions ranging from 0 (included) to 1 (excluded) according to a uniform distribution. It uses the Mersenne Twister 19937 random-number generator. To generate random integers in a given range, use a formula like in the example below. A Randomize statement with a defined seed value can be used beforehand, if a predictable sequence of numbers is desired.

Virhekoodit:

5 Virheellinen proseduurikutsu

Esimerkki:


Sub ExampleRandomSelect
Dim iVar As Integer
    iVar = Int((15 * Rnd) -2)
    Select Case iVar
        Case 1 To 5
            Print "Luvut 1:stä 5:een"
        Case 6, 7, 8
            Print "luvut 6:sta 8:aan"
        Case Is > 8 And iVar < 11
            Print "suurempi kuin 8"
        Case Else
            Print "Välin 1...10 ulkopuolella"
    End Select
End Sub

Randomize Statement