LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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Functions
{un,or}bdb4: step in uncsd2by1
LAPACK » Orthogonal/unitary factors (QR, CS, etc.) » Cosine-Sine (CS) decomposition

Functions

subroutine cunbdb4 (m, p, q, x11, ldx11, x21, ldx21, theta, phi, taup1, taup2, tauq1, phantom, work, lwork, info)
 CUNBDB4
 
subroutine dorbdb4 (m, p, q, x11, ldx11, x21, ldx21, theta, phi, taup1, taup2, tauq1, phantom, work, lwork, info)
 DORBDB4
 
subroutine sorbdb4 (m, p, q, x11, ldx11, x21, ldx21, theta, phi, taup1, taup2, tauq1, phantom, work, lwork, info)
 SORBDB4
 
subroutine zunbdb4 (m, p, q, x11, ldx11, x21, ldx21, theta, phi, taup1, taup2, tauq1, phantom, work, lwork, info)
 ZUNBDB4
 

Detailed Description