modified alpha function

[s0larish]

PR summary

Corrected the alpha function which was earlier oriented west instead of north

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.46%. Comparing base (7080bb1) to head (8bfc761).
⚠️ Report is 6 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #198   +/-   ##
=======================================
  Coverage   92.46%   92.46%           
=======================================
  Files          15       15           
  Lines        1314     1314           
=======================================
  Hits         1215     1215           
  Misses         99       99           

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[jmbhughes]

@s0larish add a changelog and we're good.