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queviva/cryptoFloats.js

Last active July 9, 2022 23:32
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random floats from zero-to-one using crypto.getRandomValues()
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cryptoFloats.js
const crandomValue = () => [...crypto.getRandomValues(new Uint32Array(1))].map(v => v / 4294967296.5)[0];
const crandomArray = (n=1) => [...crypto.getRandomValues(new Uint32Array(n))].map(v => v / 4294967296.5);
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queviva commented Jul 9, 2022

this uses the crypto method of generating random values to return floating point values between zero and one; it functions like Math.random() but uses the crypto's values - this can be done faster with bit shifts, if you know how to do that

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