Roland Reichwein 165674cb23 Fix etl::pearson::reset() not resetting the first-byte flag (#1487) ... reset() cleared the hash array but left the `first` flag false, so a calculator reused after reset() took the XOR update path on its next add() instead of the initialisation path. This produced an incorrect hash for any pearson object that was reset and reused. Reset `first` to true in reset() so a reset calculator behaves like a freshly constructed one. Add test_pearson_reset regression test. Co-authored-by: John Wellbelove <jwellbelove@users.noreply.github.com>		2026-07-07 16:41:50 +02:00
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etl	Fix etl::pearson::reset() not resetting the first-byte flag (#1487)	2026-07-07 16:41:50 +02:00