@hyperlane-xyz/utils/dist/math.js

General utilities and types for the Hyperlane network

export function median(a) {
    const sorted = a.slice().sort();
    const mid = Math.floor(sorted.length / 2);
    const median = sorted.length % 2 == 0 ? (sorted[mid - 1] + sorted[mid]) / 2 : sorted[mid];
    return median;
}
export function sum(a) {
    return a.reduce((acc, i) => acc + i);
}
export function mean(a) {
    return sum(a) / a.length;
}
export function stdDev(a) {
    const xbar = mean(a);
    const squaredDifferences = a.map((x) => Math.pow(x - xbar, 2));
    return Math.sqrt(mean(squaredDifferences));
}
export function randomInt(max, min = 0) {
    return Math.floor(Math.random() * (max - min)) + min;
}
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