LAPACK  3.10.0
LAPACK: Linear Algebra PACKage
clahqr.f File Reference

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Functions/Subroutines

subroutine clahqr (WANTT, WANTZ, N, ILO, IHI, H, LDH, W, ILOZ, IHIZ, Z, LDZ, INFO)
 CLAHQR computes the eigenvalues and Schur factorization of an upper Hessenberg matrix, using the double-shift/single-shift QR algorithm. More...