Drand48 Erand48 Jrand48 Lcong48 Lrand48 Mrand48 Nrand48 Seed48 Srand48

Drand48() Function Drand48 ( ) 48 bit real random number in [0,1) (Linear congruential method) Purpose Generates 48 bit real random number in [0,1) by linear congruential method. Returns Double Generated 48 bit real random number in [0,1). Example Program Generate 10 real pseudo random numbers in [0, 1). Same random number series are generated by using Srand48() and Seed48() when equivalent seed values are used. Sub Ex_Drand48() Dim XSeed(2) As Integer, Seed As Long, I As Integer Seed = 13 Call Srand48(Seed) Debug.Print "Initialized by Srand48" For I = 1 To 10 Debug.Print Drand48() Next Seed = 13 XSeed(0) = &H330E: XSeed(1) = Seed Mod (2 ^ 16): XSeed(2) = Seed / (2 ^ 16) Call Seed48(XSeed()) Debug.Print "Initialized by Seed48" For I = 1 To 10 Debug.Print Drand48() Next End Sub Example Results Initialized by Srand48 0.49125804875894 0.909578015652613 0.696163968687085 0.922235667562695 0.42372016481848 0.593378755016587 0.1323338794958 0.45044780014458 0.269613809642042 0.820416114584759 Initialized by Seed48 0.49125804875894 0.909578015652613 0.696163968687085 0.922235667562695 0.42372016481848 0.593378755016587 0.1323338794958 0.45044780014458 0.269613809642042 0.820416114584759