Re: A strongly pure PRNG

[Kagamin]

On Tuesday, 7 January 2014 at 12:37:39 UTC, qznc wrote:

On Tuesday, 7 January 2014 at 12:32:23 UTC, Kagamin wrote:

I believe, bearophile was interested in this - a strongly pure immutable Xorshift32(1) PRNG: http://dpaste.dzfl.pl/5f710daf

I would consider this weakly pure, because the implicit parameter "this" is not immutable. A strongly pure PRNG cannot change internal state.

Formally it is immutable, see line 36.