SCF sampling code

[nstarman]

Signed-off-by: Nathaniel Starkman (@nstarman) [email protected]

Description

Sample from an SCF Potential exactly or with an interpolation table

PR Checklist

• Check out the contributing guidelines and code of conduct
• Check out the contributing workflow ( for a practical example click here )
• Give a detailed description of the PR above.
• Document changes in the CHANGES.rst file. See existing changelog for examples.
• Add tests, if applicable, to ensure code coverage never decreases.
• Make sure the docs are up to date, if applicable, particularly the docstrings and RST files in docs folder.
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[codecov]

Codecov Report

Merging #4 (534562c) into main (36510aa) will decrease coverage by 3.96%.
The diff coverage is 96.02%.

❗ Current head 534562c differs from pull request most recent head d737299. Consider uploading reports for the commit d737299 to get more accurate results

@@             Coverage Diff             @@
##              main       #4      +/-   ##
===========================================
- Coverage   100.00%   96.03%   -3.97%     
===========================================
  Files            1        7       +6     
  Lines            1      454     +453     
===========================================
+ Hits             1      436     +435     
- Misses           0       18      +18     

Impacted Files	Coverage Δ
sample_scf/core.py	81.81% <81.81%> (ø)
sample_scf/exact.py	90.08% <90.08%> (ø)
sample_scf/__init__.py	100.00% <100.00%> (ø)
sample_scf/_typing.py	100.00% <100.00%> (ø)
sample_scf/base.py	100.00% <100.00%> (ø)
sample_scf/interpolated.py	100.00% <100.00%> (ø)
sample_scf/utils.py	100.00% <100.00%> (ø)

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