10 lines
323 B
TypeScript
10 lines
323 B
TypeScript
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// https://stackoverflow.com/a/47593316
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// this is good enough (and fast enough) for what i need
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export default function mulberry32(a:number) {
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return function() {
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let t = a += 0x6D2B79F5;
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t = Math.imul(t ^ t >>> 15, t | 1);
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t ^= t + Math.imul(t ^ t >>> 7, t | 61);
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return ((t ^ t >>> 14) >>> 0) / 4294967296;
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}
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}
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