Function findN2R2

packages/ecma402-abstract/NumberFormat/ToRawFixed.ts:27–35

(x: Decimal, f: number, roundingIncrement: number)

//IMPL: Helper function to find n2 and r2
function findN2R2(x: Decimal, f: number, roundingIncrement: number) {
  const nx = x.times(getPowerOf10(f)).ceil()
  const n2 = nx.div(roundingIncrement).ceil().times(roundingIncrement)
  const r2 = ToRawFixedFn(n2, f)
  return {
    n2,
    r2,
  }
}

/**
 * https://tc39.es/ecma402/#sec-torawfixed