Epoch time + msecs

Ola Fosheim Grøstad via Digitalmars-d-learn digitalmars-d-learn at puremagic.com
Mon Nov 16 06:21:00 PST 2015


On Monday, 16 November 2015 at 13:34:41 UTC, Kagamin wrote:
> On Monday, 16 November 2015 at 10:47:36 UTC, Marc Schütz wrote:
>> Hmmm... why is `unpredictableSeed` only a `uint`? Surely most 
>> PRNGs have more than 32 bits of internal state?
>
> Maybe it's only worth 32 random bits? There's a rangified 
> example too: 
> http://dlang.org/phobos/std_random.html#.MersenneTwisterEngine.seed.2

No, to get a period of 2^19937 you need 19937 bits or 2-3 KiB… ;)


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