tree 562c4212e5116cdde88a6a81bbed281c40d0774d
parent c5e3b2f81402773466f2afc8e87839509f65facc
author Roberto Ierusalimschy <roberto@inf.puc-rio.br> 1522093726 -0300
committer Roberto Ierusalimschy <roberto@inf.puc-rio.br> 1522093726 -0300

in 'random', uses high-order bits instead of low-order
(better statistical properties)