Replace rxd _evaluate function.

[adamjhn]

No description provided.

[pramodk]

Is this ready to merge? I could resolve conflict and push to your branch but maybe better if you do that in your fork? thanks!

[sonarcloud]

SonarCloud Quality Gate failed.   

34 Bugs
0 Vulnerabilities
15 Security Hotspots
800 Code Smells

No Coverage information
3.0% Duplication

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[codecov]

Codecov Report

Merging #2561 (fd1d237) into master (9f59779) will increase coverage by 4.35%.
Report is 27 commits behind head on master.
The diff coverage is 52.04%.

@@            Coverage Diff             @@
##           master    #2561      +/-   ##
==========================================
+ Coverage   61.48%   65.84%   +4.35%     
==========================================
  Files         623      559      -64     
  Lines      119164   108968   -10196     
==========================================
- Hits        73266    71746    -1520     
+ Misses      45898    37222    -8676     

Files	Coverage Δ
share/lib/python/neuron/rxd/generalizedReaction.py	77.27% <ø> (+3.33%)	⬆️
share/lib/python/neuron/rxd/rate.py	71.16% <66.66%> (+1.70%)	⬆️
share/lib/python/neuron/rxd/reaction.py	73.07% <50.00%> (-0.37%)	⬇️
share/lib/python/neuron/rxd/rxdmath.py	62.11% <89.65%> (+2.60%)	⬆️
.../lib/python/neuron/rxd/multiCompartmentReaction.py	82.55% <68.75%> (-1.01%)	⬇️
share/lib/python/neuron/rxd/species.py	77.41% <22.91%> (-1.85%)	⬇️

... and 157 files with indirect coverage changes

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