Function AddNoOverflow

cpp/src/gandiva/precompiled/decimal_ops.cc:60–65

Add x and y, caller has ensured there can be no overflow.

/// Add x and y, caller has ensured there can be no overflow.
static BasicDecimal128 AddNoOverflow(const BasicDecimalScalar128& x,
                                     const BasicDecimalScalar128& y, int32_t out_scale) {
  auto higher_scale = std::max(x.scale(), y.scale());
  auto sum = AddFastPath(x, y, out_scale);
  return CheckAndReduceScale(sum, higher_scale - out_scale);
}

/// Both x_value and y_value must be >= 0
static BasicDecimal128 AddLargePositive(const BasicDecimalScalar128& x,