Function GetScaleMultiplier

cpp/src/gandiva/decimal_xlarge.cc:159–164

    })();

static int256_t GetScaleMultiplier(int scale) {
  DCHECK_GE(scale, 0);
  DCHECK_LE(scale, kMaxLargeScale);

  return kLargeScaleMultipliers[scale];
}

// divide input by 10^reduce_by, and round up the fractional part.
static int256_t ReduceScaleBy(int256_t in, int32_t reduce_by) {