Support normalized Half Weighted lowering

[dlfivefifty]

No description provided.

[codecov]

Codecov Report

Merging #23 (e6da7c6) into main (0bc5bb4) will increase coverage by 0.05%.
The diff coverage is 85.71%.

@@            Coverage Diff             @@
##             main      #23      +/-   ##
==========================================
+ Coverage   84.78%   84.83%   +0.05%     
==========================================
  Files          13       13              
  Lines        1209     1213       +4     
==========================================
+ Hits         1025     1029       +4     
  Misses        184      184              

Impacted Files	Coverage Δ
src/normalized.jl	74.22% <66.66%> (ø)
src/jacobi.jl	81.31% <100.00%> (+0.27%)	⬆️

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