Function roundTerminal

packages/effect/src/BigDecimal.ts:526–529

(n: bigint)

 * @internal
 */
export const roundTerminal = (n: bigint): bigint => {
  const pos = n >= bigint0 ? 0 : 1
  return Number(`${n}`[pos]) < 5 ? bigint0 : bigint1
}

/**
 * Divides `BigDecimal`s safely.