Rnd Function

Vráti náhodné číslo medzi 0 a 1.

Syntax:

Rnd [(Výraz)]

Návratová hodnota:

Dvojitá presnosť (Double)

Paremetre:

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.

Error codes:

5 Neplatné volanie procedúry

Príklad:

Sub ExampleRandomSelect

Dim iVar As Integer

    iVar = Int((15 * Rnd) -2)

    Select Case iVar

        Case 1 To 5

            Print "Číslo je od 1 do 5"

        Case 6, 7, 8

            Print "Číslo je od 6 do 8"

        Case Is > 8 And iVar < 11

            Print "Väčšie ako 8"

        Case Else

            Print "Mimo rozsahu 1 až 10"

    End Select

End Sub