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20 lines
351 B
JavaScript
20 lines
351 B
JavaScript
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// Super quick and dirty LCG PRNG
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const m = 0xffffffff
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let X = Math.floor(Math.random() * (m - 1))
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const a = 16807
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const c = 0
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// Should probably be a large-ish number
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export function seed(i) {
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if (i < 0) {
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throw new Error('Seed must be a positive integer')
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}
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X = i & m
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}
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export function random() {
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X = (a * X + c) % m
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return X / m
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}
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