Rnd Function

Returnerar ett slumptal mellan 0 och 1.

Syntax:


Rnd [(Uttryck)]

Returvärde:

Double

Parametrar:

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.

Felkoder:

5 Felaktigt proceduranrop

Exempel:


Sub ExampleRandomSelect
Dim iVar As Integer
    iVar = Int((15 * Rnd) -2)
    Select Case iVar
        Case 1 To 5
            Print "Nummer från 1 till 5"
        Case 6, 7, 8
            Print "Nummer från 6 till 8"
        Case Is > 8 And iVar < 11
            Print "Större än 8"
        Case Else
            Print "Utanför intervallet 1 till 10"
    End Select
End Sub

Randomize Statement