sunchao commented on PR #5376:
URL: 
https://github.com/apache/datafusion-comet/pull/5376#issuecomment-5337982345

   Thanks @comphead! Moved the behavioral cases into the existing 
`arrays_overlap.sql` in 247e0b173. The SQL suite now compares against the 
running Spark version and covers runtime-generated NaNs, signed zeros, nulls, 
reversed operands, and both the short-array and hash-lookup paths for `FLOAT` 
and `DOUBLE`.
   
   I kept a small Scala raw-bit test because SQL equality cannot distinguish 
NaN representations. It verifies that runtime negation produces noncanonical 
NaNs after Parquet has canonicalized the stored values.
   
   Both focused integration tests pass locally on Spark 3.5, 4.0, and 4.2, and 
all 23 targeted Rust tests pass.
   


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