random/dist/esm/distributions/geometric.js

Seedable random number generator supporting many common distributions.

import { numberValidator } from '../validation';
export default (random, p = 0.5) => {
    numberValidator(p).greaterThan(0).lessThan(1);
    const invLogP = 1.0 / Math.log(1.0 - p);
    return () => {
        return (1 + Math.log(random.next()) * invLogP) | 0;
    };
};
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