jorisvandenbossche commented on code in PR #14696:
URL: https://github.com/apache/arrow/pull/14696#discussion_r1037892212


##########
cpp/src/arrow/compute/kernels/scalar_nested.cc:
##########
@@ -96,6 +97,16 @@ std::string ToString(const std::optional<T>& o) {
   return o.has_value() ? ToChars(*o) : "(nullopt)";
 }
 
+int64_t MaxSliceLength(const int64_t start, const int64_t stop, const int64_t 
step) {
+  const auto startf = static_cast<float>(start);
+  const auto stopf = static_cast<float>(stop);
+  const auto stepf = static_cast<float>(step);
+
+  // Get the raw length with any remainder after dividing by step

Review Comment:
   I think this comment was from before ceiling, and is now a bit confusing?



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