static final BigIntegerToDoubleRounder INSTANCE = new BigIntegerToDoubleRounder();

    private BigIntegerToDoubleRounder() {}

    @Override
    double roundToDoubleArbitrarily(BigInteger bigInteger) {
      return DoubleUtils.bigToDouble(bigInteger);
    }

    @Override
    int sign(BigInteger bigInteger) {
      return bigInteger.signum();
    }

    @Override