FlexMeasures / flexmeasures / 29741403016

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main: 83%

Pull #2332

github

Compare beliefs at float4 precision when detecting unchanged data

Now that timed_belief stores cumulative_probability and event_value as
single-precision floats (float4), values read back from the database are
rounded, while an incoming candidate belief still carries full double
precision. The exact-equality check in _drop_unchanged_beliefs_compared_to_db
therefore saw a re-submission of already-stored data as a value change,
which surfaced as a rejected replacement (403) instead of an idempotent
"data has already been received" (200).

Round the candidate (and, symmetrically, the DB) values to float4 before the
comparison so re-ingesting identical data is correctly recognised as
unchanged. Fixes test_post_sensor_data_twice.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

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