UNPKG

round-decimal

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22 lines (21 loc) 470 B
function o(t) { return Math.pow(2, Math.ceil(Math.log2(Math.abs(t))) - 52); } function r(t) { return Math.trunc(Math.abs(Math.log10(o(t)))); } const c = 3; function s(t, a = c) { const i = r(t); if (i < a) return t; const n = t < 0 ? -Math.pow(10, i) : Math.pow(10, i); return Math.round(t * n) / n; } export { o as approximateUlp, s as default, c as defaultMinSignificantFractionDigits, r as getSignificantFractionDigits, s as roundDecimal };