reworked algebra corner spread, rotation parenthesis

[raphaeldussin]

this PR replaces now defunct PR #55

[codecov]

Codecov Report

Merging #90 (1b3547f) into dev/gfdl (ce22d7a) will increase coverage by 0.04%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##           dev/gfdl      #90      +/-   ##
============================================
+ Coverage     28.95%   28.99%   +0.04%     
============================================
  Files           245      245              
  Lines         72240    72177      -63     
============================================
+ Hits          20914    20925      +11     
+ Misses        51326    51252      -74     

Impacted Files	Coverage Δ
...c/parameterizations/lateral/MOM_internal_tides.F90	0.00% <0.00%> (ø)
src/core/MOM.F90	58.44% <0.00%> (+0.07%)	⬆️
src/core/MOM_barotropic.F90	37.70% <0.00%> (+0.41%)	⬆️

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[Hallberg-NOAA]

I agree with all of these changes, except for one minor syntax regression to an archaic (but still legal) form that can get reverted later.

[marshallward]

Gaea regression: https://gitlab.gfdl.noaa.gov/ogrp/MOM6/-/pipelines/15056 ✔️