UnitTests for math package

[codecov-io]

Codecov Report

Merging #32 into master will increase coverage by 0.09%. The diff coverage is 100%.

@@             Coverage Diff              @@
##             master      #32      +/-   ##
============================================
+ Coverage     34.96%   35.05%   +0.09%     
- Complexity     8620     8658      +38     
============================================
  Files          1634     1631       -3     
  Lines         83627    83571      -56     
  Branches      15244    15232      -12     
============================================
+ Hits          29236    29294      +58     
+ Misses        51748    51623     -125     
- Partials       2643     2654      +11

Impacted Files	Coverage Δ	Complexity Δ
.../de/lmu/ifi/dbs/elki/math/linearalgebra/VMath.java	48.07% <100%> (+11.91%)	123 <2> (+37)	:arrow_up:
...ing/parameterization/AbstractParameterization.java	26% <0%> (-5.04%)	11% <0%> (+5%)
...andling/parameterization/ListParameterization.java	40.38% <0%> (-4.06%)	8% <0%> (+1%)
...s/elki/index/idistance/InMemoryIDistanceIndex.java	74.39% <0%> (-0.61%)	17% <0%> (ø)
...mu/ifi/dbs/elki/utilities/ELKIServiceRegistry.java	33.11% <0%> (-0.01%)	11% <0%> (-1%)
...n/columnwise/AttributeWiseMinMaxNormalization.java	48.68% <0%> (ø)	17% <0%> (ø)	:arrow_down:
...tionhandling/parameterization/TrackParameters.java	0% <0%> (ø)	0% <0%> (ø)	:arrow_down:
.../elki/algorithm/clustering/hierarchical/SLINK.java	100% <0%> (ø)	23% <0%> (ø)	:arrow_down:
...i/dbs/elki/algorithm/projection/BarnesHutTSNE.java	0% <0%> (ø)	0% <0%> (ø)	:arrow_down:
...elki/algorithm/outlier/trivial/ByLabelOutlier.java	0% <0%> (ø)	0% <0%> (ø)	:arrow_down:
... and 59 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update 98f0d5c...7345520. Read the comment docs.

[kno10]

Rebased, cleaned, reviewed, and merged.