functional.sqlancer.tidb_16028_test. Incorrect result when comparing a FLOAT/DOUBLE UNSIGNED with a negative number

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Full history of outcomes and elapsed time, ms:
NN SNAP_INFO CS_outcome SS_outcome CS_run_time SS_run_time CS_run_beg CS_run_end SS_run_beg SS_run_end
1 4.0.6.3215 2025.06.25 6461d P P 631 404 2025.06.30 07:56:58.660 2025.06.30 07:56:59.291 2025.06.30 06:55:13.737 2025.06.30 06:55:14.141
2 4.0.6.3214 2025.06.21 e11f6 P P 639 426 2025.06.25 12:50:07.007 2025.06.25 12:50:07.646 2025.06.25 11:48:02.072 2025.06.25 11:48:02.498
3 4.0.6.3213 2025.06.14 f015c P P 643 426 2025.06.21 07:50:43.336 2025.06.21 07:50:43.979 2025.06.21 06:48:22.043 2025.06.21 06:48:22.469
4 4.0.6.3212 2025.06.11 bc50d P P 608 408 2025.06.14 08:18:23.492 2025.06.14 08:18:24.100 2025.06.14 07:15:27.116 2025.06.14 07:15:27.524
5 4.0.6.3208 2025.06.10 19fe3 P P 601 442 2025.06.11 06:45:18.555 2025.06.11 06:45:19.156 2025.06.11 05:43:23.294 2025.06.11 05:43:23.736
6 4.0.6.3207 2025.06.07 205ff P P 602 431 2025.06.10 06:46:44.111 2025.06.10 06:46:44.713 2025.06.10 05:44:00.914 2025.06.10 05:44:01.345
7 4.0.6.3206 2025.05.22 d7d10 P P 601 405 2025.06.06 06:40:19.196 2025.06.06 06:40:19.797 2025.06.06 05:39:04.078 2025.06.06 05:39:04.483

Elapsed time, ms. Chart for last 7 runs:

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