Add Cholesky and SolveTriangular for torch

[Ch0ronomato]

Description

Add torch cholesky operator

Related Issue

• Closes #
• Related to Add Pytorch implementation of Blockwise #988
• Related to Implement all Ops in PyTorch (help welcome!) #821

Checklist

• Checked that the pre-commit linting/style checks pass
• Included tests that prove the fix is effective or that the new feature works
• Added necessary documentation (docstrings and/or example notebooks)
• If you are a pro: each commit corresponds to a relevant logical change

Type of change

• New feature / enhancement
• Bug fix
• Documentation
• Maintenance
• Other (please specify):

---

📚 Documentation preview 📚: https://pytensor--1035.org.readthedocs.build/en/1035/

[codecov]

Codecov Report

Attention: Patch coverage is 61.11111% with 7 lines in your changes missing coverage. Please review.

Project coverage is 81.89%. Comparing base (b66d859) to head (59eb6b6).
Report is 52 commits behind head on main.

Files with missing lines	Patch %	Lines
pytensor/link/pytorch/dispatch/slinalg.py	58.82%	7 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1035      +/-   ##
==========================================
+ Coverage   81.74%   81.89%   +0.15%     
==========================================
  Files         183      183              
  Lines       47724    47897     +173     
  Branches    11616     8617    -2999     
==========================================
+ Hits        39011    39225     +214     
+ Misses       6520     6499      -21     
+ Partials     2193     2173      -20     

Files with missing lines	Coverage Δ
pytensor/link/pytorch/dispatch/__init__.py	100.00% <100.00%> (ø)
pytensor/link/pytorch/dispatch/slinalg.py	58.82% <58.82%> (ø)

... and 65 files with indirect coverage changes

[ricardoV94]

Title should mention SolveTriangular as well

[ricardoV94]

This is a specific test, just test cholesky and solve directly with the compare_py_and_torch as usual

[ricardoV94]

trans may also be 1 apparently. We should canonicalize the integers to strings so the Op only has to handle one of the encodings: https://docs.scipy.org/doc/scipy/reference/generated/scipy.linalg.solve_triangular.html

[ricardoV94]

Actually these Ops were already being tackled in #922

[Ch0ronomato]

Ah yup - want me to close this then?

[Ch0ronomato]

Gonna close this while #922 is open - can always reopen it.