Exact exchange status
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mfherbst commented
After #942 the following aspects are open on the exact exchange question.
- Basic testing of exact exchange against QE and / or ABINIT (requires a method to deal with Coulomb singularity to do proper 1:1 comparison)
- Make energy term work with arbitrary number of kpoints
- Some method to deal with Coulomb singularity)
- Generalize SCF to mix orbitals
- Implement ACE method for SCF for better performance
See also discussion in #530.