v0.2.2

TNRKit v0.2.2

Diff since v0.2.1

Merged pull requests:

• Loop-TNR: Improve type stability and add 2x2 initialization (#104) (@Yue-Zhengyuan)
• Impurity TRG (#111) (@TheRealHermanator)
• C4ctm fermionic (#112) (@sanderdemeyer)

Closed issues:

• Initialize loop-TNR with 2x2 unit cell (#103)