[SYSTEMDS-3576] CLALib Combine Columngroups With Morphing

[Baunsgaard]

More specializations in combining various column groups.

[codecov]

Codecov Report

Attention: Patch coverage is 38.94567% with 1135 lines in your changes missing coverage. Please review.

Project coverage is 71.87%. Comparing base (28c811a) to head (a5a57df).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
...e/sysds/runtime/compress/colgroup/ColGroupDDC.java	41.39%	151 Missing and 9 partials ⚠️
...ess/colgroup/dictionary/MatrixBlockDictionary.java	51.48%	138 Missing and 9 partials ⚠️
...e/sysds/runtime/compress/colgroup/ColGroupSDC.java	6.59%	82 Missing and 3 partials ⚠️
...untime/compress/colgroup/ColGroupUncompressed.java	45.96%	65 Missing and 2 partials ⚠️
...ds/runtime/compress/colgroup/ColGroupSDCZeros.java	43.68%	56 Missing and 2 partials ⚠️
...mpress/colgroup/dictionary/IdentityDictionary.java	0.00%	57 Missing ⚠️
...ysds/runtime/compress/lib/CLALibCombineGroups.java	62.67%	48 Missing and 5 partials ⚠️
...ysds/runtime/compress/colgroup/ColGroupSDCFOR.java	5.45%	50 Missing and 2 partials ⚠️
...sysds/runtime/compress/colgroup/ColGroupConst.java	0.00%	51 Missing ⚠️
.../runtime/compress/colgroup/ADictBasedColGroup.java	6.00%	46 Missing and 1 partial ⚠️
... and 28 more

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #2162      +/-   ##
============================================
- Coverage     72.28%   71.87%   -0.42%     
- Complexity    44249    44429     +180     
============================================
  Files          1443     1445       +2     
  Lines        166603   168160    +1557     
  Branches      32537    32820     +283     
============================================
+ Hits         120432   120859     +427     
- Misses        36923    38023    +1100     
- Partials       9248     9278      +30     

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