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A Python toolkit for lattice field theory, quantum computing, and machine learning

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Implement the Laplacian as a fermion operator in cgpt using the stencil code. Change the source in tests/create/smear.py to vspincolor in order to be compatible. Additionally add corresponding test and...

add an (optional) preconditioner to CG. I have implemented as part of the existing cg class instead of a new class to reduce code-duplication. Running CG on a matrix `M`...

This PR contains some small additions I needed to make make my Langevin code run. My Langevin(/HMC) code itself is by far not general enough to put it into gpt,...

I was just trying to run a couple of test on Summit. Unfortunately, all of my tests ran out of memory and I do not understand why this is happening....

- added support for CP^N-1 model - added support for iVSinglet inner product

Changes of the pull request: - Fix design problem with `multi_shift_fom` and `multi_shift_fgmres`. Instead of returning $\rho$ values for preconditioned FGMRES, save the values as an instance variable. - Sort...

This is an issue to track progress of the new `ot` handling when composing lattices using `+`. ## Current Status - [ ] `g.core.expr.factor_unary` is ignored by `+` [1] -...

When iterative algorithm instances are created but not used, the history attribute is missing; this can yield unexpected attribute errors. Setting the history to an empty list in `__init__` avoids...