3.0.0 protected

Ryan Moser

@RyanMoser

28225903 · Merge branch 'misc_2024-09-27' into 'main' · Oct 01, 2024

ComplexSchurDecomposition added (large-bulge multi-shift QR algorithm),
Eigen API  added + reworked,
ComplexMatrix data structure optimized, 
Housholder,
ComplexHessenbergDecomposition,
ComplexQRDecomposition,
etc.