Method IncreaseScaleBy

cpp/src/arrow/util/basic_decimal.cc:115–119

}

BasicDecimal32 BasicDecimal32::IncreaseScaleBy(int32_t increase_by) const {
  DCHECK_GE(increase_by, 0);
  DCHECK_LE(increase_by, kMaxScale);
  return (*this) * DecimalTraits<BasicDecimal32>::powers_of_ten()[increase_by];
}

BasicDecimal32 BasicDecimal32::ReduceScaleBy(int32_t reduce_by, bool round) const {
  DCHECK_GE(reduce_by, 0);