Cleanup Chi0Mixing docstrings and timings #576
Merged
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In my tests employing LdosMixing for potential-mixing SCF iterations actually works way worse than with density-mixing, which surprises me a bit. My suspicion it's got to do with the fact that we actually apply ε rather than ε^\dagger during the linear solve, such that we cannot benefit from the implict low-pass filtering done by the Hartree kernel. Any thoughts @antoine-levitt ?
Edit: I'll split the LdosMixing changes to another PR (#587) to get the the other misc. changes into master.