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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Random-numbers/PureBasic/random-numbers.basic Normal file
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Procedure.f RandomNormal()
; This procedure can return any real number.
Protected.f x1, x2
; random numbers from the open interval ]0, 1[
x1 = (Random(999998)+1) / 1000000 ; must be > 0 because of Log(x1)
x2 = (Random(999998)+1) / 1000000
ProcedureReturn Sqr(-2*Log(x1)) * Cos(2*#PI*x2)
EndProcedure
Define i, n=1000
Dim a.q(n-1)
For i = 0 To n-1
a(i) = 1 + 0.5 * RandomNormal()
Next