Defining pow functions for adjacency and transition matrices

[wrcorcoran]

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#455 - Define pow function for graph matrices

• Implemented pow functionality for adjacency and transition matrices (powAdjMatrix and powTransitionMatrix, respectively). @ZigRazor @sbaldu

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 98.97436% with 2 lines in your changes missing coverage. Please review.

Project coverage is 97.89%. Comparing base (564a8c0) to head (0f1de02).

Files with missing lines	Patch %	Lines
include/CXXGraph/Graph/Algorithm/Pow_impl.hpp	97.40%	2 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #463      +/-   ##
==========================================
+ Coverage   97.87%   97.89%   +0.02%     
==========================================
  Files          87       89       +2     
  Lines       10079    10274     +195     
  Branches      670      687      +17     
==========================================
+ Hits         9865    10058     +193     
- Misses        214      216       +2     

Flag	Coverage Δ
unittests	97.89% <98.97%> (+0.02%)	:arrow_up:

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[ZigRazor]

@wrcorcoran this pull request seems good, but the workflow does not compile, can you check why?