Change TOUT default rowrank

[j9263178]

https://github.com/Cytnx-dev/Cytnx/issues/394. Change TOUT default (no ";" provided) rowrank to int(output_rank/2).

[codecov[bot]]

Codecov Report

Attention: 23 lines in your changes are missing coverage. Please review.

Comparison is base (c93b318) 17.81% compared to head (2524799) 17.81%.

Files	Patch %	Lines
src/RegularNetwork.cpp	39.47%	3 Missing and 20 partials :warning:

Additional details and impacted files

@@             Coverage Diff             @@
##           dev-master     #401   +/-   ##
===========================================
  Coverage       17.81%   17.81%           
===========================================
  Files             220      220           
  Lines           48761    48778   +17     
  Branches        19955    19966   +11     
===========================================
+ Hits             8686     8692    +6     
- Misses          35871    35874    +3     
- Partials         4204     4212    +8     

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