R Under development (unstable) (2023-12-01 r85656 ucrt) -- "Unsuffered Consequences"
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> CEC:::run.cec.tests()
Test: Clustering 
----  test.clustering.four.gaussians: OK
Test: Covariance calculation 
----  test.covariances.after.point.movements.between.clusters: OK
----  test.covariances.before.first.iteraion: OK
Test: Energy calculation (ball1) 
----  test.type.all: OK
----  test.type.covariance: OK
----  test.type.diagonal: OK
----  test.type.eigenvalues: OK
----  test.type.fixedr: OK
----  test.type.mean: OK
----  test.type.spherical: OK
----  test.type.spherical.cluster.removing: OK
Test: Energy calculation (mouseset1) 
----  test.type.all: OK
----  test.type.covariance: OK
----  test.type.diagonal: OK
----  test.type.fixedr: OK
----  test.type.spherical: OK
Test: energy calculation (various data sets) 
----  test.type.covariance: OK
----  test.type.diagonal.spherical.mixture: OK
----  test.type.eigenvalues.all.fixedr.mixture: OK
----  test.type.fixedr.mixture: OK
----  test.type.mean.two.gaussians: OK
----  test.type.spherical.one.cluster.removed: OK
Test: Split method 
----  test.should.limit.split.to.4.cluster: OK
----  test.should.split.to.3.cluster.fixed.mean: OK
----  test.should.split.to.4.cluster: OK
----  test.should.split.to.7.cluster: OK
Test: Variable centers number 
----  test.should.use.1.cluster: OK
----  test.should.use.2.cluster: OK
----  test.should.use.3.cluster: OK
> 
> proc.time()
   user  system elapsed 
   3.23    0.15    3.35