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9bfd641b22
the Reconstruct class. This lets the multiple choices for PV inversion be composed without changing the routine and no if/else case enumeration. Implemented SchurDiagMooee PV inversion (red black) and Unprec PV inversion. Red black cuts from 190 iterations to 90 iterations at 10^-12 on 8^4 test system Will revisit multiple Schur options and add a Fourier based multishift PV inverse, similar to the one Rudy Arthur did in BFM