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[REBOL] Re: Using 'random and 'random/seed

From: joel::neely::fedex::com at: 22-Aug-2002 16:56

Hi, Alan, alan parman wrote:
> Could someone expound on 'random, please? > > I would expect that if I entered ... > > random/seed "qwert" >
The documentation should state what types of values are acceptable as seeds. I believe that you need to restrict yourself to date!, time!, or integer! values for legitimate seeds.
> ... that I would nothing back from the console, since I am just > providing a seed to the PRNG. >
The fact that you get a value returned appears to indicate that REBOL ignored your attempt to reseed the generator and used your value as an argument to RANDOM instead.
> I would also expect that if I entered... > > random/seed "qwert" > r1: random "asdfg" > random/seed "qwert" > r2: random "asdfg" > > ... that r1 would equal r2. > > Is there a way to get 'random to produce identical "random" > sequences on demand? >
Seed it with a legal seed.
>> random/seed 1 >> r1: random "asdfg"
== "gafsd"
>> random/seed 1 >> r2: random "asdfg"
== "gafsd"
>> equal? r1 r2
== true -jn-