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2 commits

Author SHA1 Message Date
Bryan Boreham ea82b49c33 [ENHANCEMENT] PromQL: use Kahan summation for sum()
This can give a more precise result, by keeping a separate running
compensation value to accumulate small errors.

See https://en.wikipedia.org/wiki/Kahan_summation_algorithm

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
2024-05-09 14:29:38 +01:00
Bryan Boreham 11b27d5d22 test: move test files into new promqltest package
So that promql package does not bring in test-only dependencies.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
2024-05-08 13:42:55 +01:00
Renamed from promql/testdata/aggregators.test (Browse further)