Tom Lane <t...@sss.pgh.pa.us> writes: > =?utf-8?Q?Dagfinn_Ilmari_Manns=C3=A5ker?= <ilm...@ilmari.org> writes: >> I just noticed that the since the random() rewrite¹, the documentation's >> claim² that it "uses a simple linear congruential algorithm" is no >> longer accurate (xoroshiro128** is an xorshift variant, which is a >> linear-feedback shift register algorithm). > >> I don't have a suggestion for the exact wording, since I don't know >> whether xoroshiro128** qualifies as "simple", or to what level of >> specificity we want to document the algorithm. > > How about we just say "uses a linear-feedback shift register algorithm"?
That works for me. Nice and simple, and not overly specific. Should we perhaps also add a warning that the same seed is not guaranteed to produce the same sequence across different (major?) versions? > "Simple" is in the eye of the beholder anyway. Indeed. > regards, tom lane - ilmari