Function UpcastInts

cpp/src/arrow/util/int_util.cc:418–420

}

void UpcastInts(const int32_t* source, int64_t* dest, int64_t length) {
  CastIntsInternal(source, dest, length);
}

template <typename InputInt, typename OutputInt>
void TransposeInts(const InputInt* src, OutputInt* dest, int64_t length,