LinearAlgebra/givens/Test Givens for ComplexF64/A = ComplexF64[-2.0543555194988925 + 0.6536563170801449im 0.4742265672302439 - 0.3043459785738284im -0.260962307124459 + 1.7014702196162579im 0.3613449263767023 - 0.6398535478068218im -0.519153251013159 - 2.4867493732612966im 0.2977900109436812 + 0.4397432583989833im -0.4576040462283031 + 1.2586646426578798im 0.26524756118872617 - 1.7445783077510282im -0.39082384144141114 + 0.16913714225206772im -1.4322763069300997 - 0.930584693890294im; 3.97941489117557 - 0.8040052352659963im 0.01017811391124998 + 1.858146188517493im 0.23517206661009354 - 0.4943497809505052im 0.5277445531549447 - 2.4291705392563694im 0.5431665758925361 - 1.7416991158267197im 1.4920028919331743 + 0.42671235125559254im -1.4134056229490386 + 0.2257492917042725im -1.448818772289001 + 1.3402691243169325im 0.8506698583345675 - 0.12443871701808773im 0.82785857067847 + 0.34572805869719625im; -1.0035909966475064e-16 + 1.7680334752232207e-16im -3.484751434056672 + 0.036976746582023684im 0.608789652246213 @test abs.(A) ≈ abs.((hessenberg(Ac)).H)