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better random float generation #164

Open moon-chilled opened 2 years ago

moon-chilled commented 2 years ago

https://allendowney.com/research/rand/downey07randfloat.pdf

moon-chilled commented 1 year ago

also https://outerproduct.net/trivial/2023-06-24_number-whose-point-floats.html (avx512 version is actually viable; others not)