Constants are bit-masks

[dhardy]

simd_prngs/src/prngs/lfsr.rs

Line 21 in 271894d

self.z2 = ((self.z2 & 4294967288) << 2) ^ b;

These constants are simple bit masks; it's clearer with hex:

>>> hex(4294967168)
'0xffffff80'
>>> hex(4294967294)
'0xfffffffe'
>>> 

[TheIronBorn]

Oh huh. Yeah I suppose that is nicer. Though changing the appearance of such a widely used PRNG might confuse some people