KmeansOnnxConversionTest failing on NetCoreApp3.0

[Anipik]

KmeansOnnxConversionTest is failing on NetCoreApp3.0
This happened after we changed the version of netcoreapp sdk to 3.0 preview1
Associated PR #2082

This is not caused due to any change in cpumath library as it is even reproducable by using the software implementation of the functions.

2019-01-09T01:44:33.0500908Z [xUnit.net 00:01:21.86]     Microsoft.ML.Tests.OnnxConversionTest.KmeansOnnxConversionTest [FAIL]
2019-01-09T01:44:33.3587704Z Failed   Microsoft.ML.Tests.OnnxConversionTest.KmeansOnnxConversionTest
2019-01-09T01:44:33.3591191Z Error Message:
2019-01-09T01:44:33.3644424Z  Assert.Equal() Failure
2019-01-09T01:44:33.3644561Z Expected: 0 (rounded from 0)
2019-01-09T01:44:33.3648151Z Actual:   NaN (rounded from NaN)
2019-01-09T01:44:33.3648305Z Stack Trace:
2019-01-09T01:44:33.3648786Z    at Microsoft.ML.Tests.OnnxConversionTest.CompareSelectedR4VectorColumns(String leftColumnName, String rightColumnName, IDataView left, IDataView right, Int32 precision) in D:\a\1\s\test\Microsoft.ML.Tests\OnnxConversionTest.cs:line 500
2019-01-09T01:44:33.3648953Z    at Microsoft.ML.Tests.OnnxConversionTest.KmeansOnnxConversionTest() in D:\a\1\s\test\Microsoft.ML.Tests\OnnxConversionTest.cs:line 159
2019-01-09T01:44:33.3649371Z Standard Output Messages:
2019-01-09T01:44:33.3649668Z  Test KmeansOnnxConversionTest: aborted: passed

cc @eerhardt @danmosemsft @tannergooding

[eerhardt]

It would be helpful to list what is failing about the test. Are base lined numbers not comparing? Is an exception happening? etc.

[Anipik]

It would be helpful to list what is failing about the test

I intended to add the reason but i just forget while creathing the issue :P i updated the issue
there is no exception happening and its not a baseline comparision.

[danmoseley]

I'm guessing perhaps one of @tannergooding conformance changes.

[wschin]

Does this problem still exist? I saw that ML.NET passes all CI tests.

[Anipik]

The test is disabled for .NET core 3

machinelearning/test/Microsoft.ML.Tests/OnnxConversionTest.cs

Line 127 in fabdabf

[LessThanNetCore30OrNotNetCoreFact("netcoreapp3.0 output differs from Baseline. Tracked by https://github.com/dotnet/machinelearning/issues/2087")]

[frank-dong-ms-zz]

Test is passing after upgrade to dotnet core 3.1