etl

2beceddf - [bug] Special case check for hashing -0.0 (#605)

[bug] Special case check for hashing -0.0 (#605) * Special case check for hashing 0 floating point numbers * Update test_hash.cpp Co-authored-by: Jesse <jli@planarmotor.com> Co-authored-by: John Wellbelove <jwellbelove@users.noreply.github.com>