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/*
* Copyright (c) 2012, Michael Lehn * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1) Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2) Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3) Neither the name of the FLENS development group nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* Based on * SUBROUTINE DGESVJ( JOBA, JOBU, JOBV, M, N, A, LDA, SVA, MV, V, $ LDV, WORK, LWORK, INFO ) * * -- LAPACK routine (version 3.3.1) -- * * -- Contributed by Zlatko Drmac of the University of Zagreb and -- * -- Kresimir Veselic of the Fernuniversitaet Hagen -- * -- April 2011 -- * * -- LAPACK is a software package provided by Univ. of Tennessee, -- * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- * * This routine is also part of SIGMA (version 1.23, October 23. 2008.) * SIGMA is a library of algorithms for highly accurate algorithms for * computation of SVD, PSVD, QSVD, (H,K)-SVD, and for solution of the * eigenvalue problems Hx = lambda M x, H M x = lambda x with H, M > 0. * */ #ifndef FLENS_LAPACK_GE_SVJ_H #define FLENS_LAPACK_GE_SVJ_H 1 #include <flens/matrixtypes/matrixtypes.h> #include <flens/vectortypes/vectortypes.h> namespace flens { namespace lapack { namespace SVJ { enum TypeA { Lower = 'L', Upper = 'U', General = 'G' }; enum JobU { ComputeU = 'U', ControlU = 'C', NoU = 'N' }; enum JobV { ComputeV = 'V', ApplyV = 'A', NoV = 'N' }; } //== svj ======================================================================= template <typename MA, typename VSVA, typename MV, typename VWORK> typename GeMatrix<MA>::IndexType svj(SVJ::JobU jobU, SVJ::JobV jobV, GeMatrix<MA> &A, DenseVector<VSVA> &sva, GeMatrix<MV> &V, DenseVector<VWORK> &work); template <typename MA, typename VSVA, typename MV, typename VWORK> typename GeMatrix<MA>::IndexType svj(SVJ::JobU jobU, SVJ::JobV jobV, TrMatrix<MA> &A, DenseVector<VSVA> &sva, GeMatrix<MV> &V, DenseVector<VWORK> &work); template <typename MA, typename VSVA, typename MV, typename VWORK> typename GeMatrix<MA>::IndexType svj(SVJ::TypeA typeA, SVJ::JobU jobU, SVJ::JobV jobV, GeMatrix<MA> &A, DenseVector<VSVA> &sva, GeMatrix<MV> &V, DenseVector<VWORK> &work); //-- forwarding ---------------------------------------------------------------- template <typename MA, typename VSVA, typename MV, typename VWORK> typename MA::IndexType svj(SVJ::TypeA typeA, SVJ::JobU jobU, SVJ::JobV jobV, MA &&A, VSVA &&sva, MV &&V, VWORK &&work); template <typename MA, typename VSVA, typename MV, typename VWORK> typename MA::IndexType svj(SVJ::JobU jobU, SVJ::JobV jobV, MA &&A, VSVA &&sva, MV &&V, VWORK &&work); } } // namespace lapack, flens #endif // FLENS_LAPACK_GE_SVJ_H |