Charles Korn
fd6bdf5230
Fix issue where summation of +/- infinity returns NaN instead of infinity
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Signed-off-by: Charles Korn <charles.korn@grafana.com>
2024-06-28 11:26:54 +10:00
Bryan Boreham
b6aba4ff14
Merge pull request #14074 from bboreham/kahan-sum-sum
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[ENHANCEMENT] PromQL: use Kahan summation for sum()
2024-06-24 11:13:26 +01:00
Charles Korn
aeec30f082
Convert TestTimestampFunction_StepsMoreOftenThanSamples
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Signed-off-by: Charles Korn <charles.korn@grafana.com>
2024-06-17 16:56:56 +10:00
Charles Korn
987fa5c6a2
Convert range query test cases to test scripting language
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Signed-off-by: Charles Korn <charles.korn@grafana.com>
2024-06-17 16:43:01 +10:00
beorn7
c7fdfe8004
promql: Add tests for histogram counter reset only in bucket
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This also exercises the "fast path" (only decoding count and sum),
i.e. where the counter reset isn't visible at all in the decoded data.
Signed-off-by: beorn7 <beorn@grafana.com>
2024-06-06 17:47:38 +02:00
Neeraj Gartia
661856cb65
removes the added tests from engine_test.go
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Signed-off-by: Neeraj Gartia <neerajgartia211002@gmail.com>
2024-05-13 22:58:25 +05:30
Neeraj Gartia
6119124d0e
some nits
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Signed-off-by: Neeraj Gartia <neerajgartia211002@gmail.com>
2024-05-13 22:55:38 +05:30
Neeraj Gartia
adf5a36c1e
adds test for sum, count, stddev, stdvar, quantile and fraction func to promql testing framework
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Signed-off-by: Neeraj Gartia <neerajgartia211002@gmail.com>
2024-05-13 22:55:38 +05:30
Neeraj Gartia
8b838a05d9
adds test for native histogram rate func in promql testing framework
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Signed-off-by: Neeraj Gartia <neerajgartia211002@gmail.com>
2024-05-13 22:55:38 +05:30
Neeraj Gartia
548bd9d6fb
adds TestNativeHistogramRate func to promql test framework
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Signed-off-by: Neeraj Gartia <neerajgartia211002@gmail.com>
2024-05-13 22:55:38 +05:30
Bryan Boreham
ea82b49c33
[ENHANCEMENT] PromQL: use Kahan summation for sum()
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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
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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
