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Make sure random numbers are positive

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alex 2022-04-16 18:32:17 +01:00
parent bb147abb7f
commit c751d4eb79
1 changed files with 2 additions and 3 deletions
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5
packages/core/signal.mjs
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@ -47,7 +47,7 @@ const timeToIntSeed = (x) => xorwise(Math.trunc(_frac(x / 300) * 536870912));
const intSeedToRand = (x) => (x % 536870912) / 536870912;
const timeToRand = (x) => intSeedToRand(timeToIntSeed(x));
const timeToRand = (x) => Math.abs(intSeedToRand(timeToIntSeed(x)));
const timeToRandsPrime = (seed, n) => {
const result = [];
@ -60,8 +60,7 @@ const timeToRandsPrime = (seed, n) => {
const timeToRands = (t, n) => timeToRandsPrime(timeToIntSeed(t), n);
export const rand2 = signal(timeToRand);
export const rand = rand2.fmap(Math.abs);
export const rand = signal(timeToRand);
export const _brandBy = (p) => rand.fmap((x) => x < p);
export const brandBy = (pPat) => reify(pPat).fmap(_brandBy).innerJoin();