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Xoroshiro pseudo-random number generator.

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This is a version of the xoroshiro PRN generator with 36-bit output.
The 2⁷²-1 period coefficients in prim.txt were graciously provided by
Sebastiano Vigna.

https://vigna.di.unimi.it/ftp/papers/ScrambledLinear.pdf
This commit is contained in:
Lars Brinkhoff 2024-05-15 11:30:33 +02:00
parent 849ed5ec92
commit f8c728bf33
1 changed files with 30 additions and 0 deletions
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.begin xoroshiro
xstate: -1,, ? 1
parm.a==2
parm.b==9
parm.c==5
parm.r==11.
xoroshiro:
push p,t
move t,xstate
xorm t,xstate+1
rot t,parm.a
xor t,xstate+1
movem t,xstate
move t,xstate+1
lsh t,parm.b
xorm t,xstate
move t,xstate+1
rot t,parm.c
movem t,xstate+1
pop p,t
move a,xstate
add a,xstate+1
rot a,parm.r
add a,xstate
popj p,
.end