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/*
* Copyright (c) 2011, 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 DLAQR2( WANTT, WANTZ, N, KTOP, KBOT, NW, H, LDH, ILOZ, $ IHIZ, Z, LDZ, NS, ND, SR, SI, V, LDV, NH, T, $ LDT, NV, WV, LDWV, WORK, LWORK ) SUBROUTINE ZLAQR2( WANTT, WANTZ, N, KTOP, KBOT, NW, H, LDH, ILOZ, $ IHIZ, Z, LDZ, NS, ND, SH, V, LDV, NH, T, LDT, $ NV, WV, LDWV, WORK, LWORK ) * * -- LAPACK auxiliary routine (version 3.2.2) -- * Univ. of Tennessee, Univ. of California Berkeley, * Univ. of Colorado Denver and NAG Ltd.. * -- June 2010 -- * */ #ifndef FLENS_LAPACK_LA_LAQR2_H #define FLENS_LAPACK_LA_LAQR2_H 1 #include <flens/matrixtypes/matrixtypes.h> #include <flens/vectortypes/vectortypes.h> namespace flens { namespace lapack { //== laqr2 ===================================================================== // // Real variant // template <typename IndexType, typename MH, typename MZ, typename VSR, typename VSI, typename MV, typename MT, typename MWV, typename VWORK> typename RestrictTo<IsRealGeMatrix<MH>::value && IsRealGeMatrix<MZ>::value && IsRealDenseVector<VSR>::value && IsRealDenseVector<VSI>::value && IsRealGeMatrix<MV>::value && IsRealGeMatrix<MT>::value && IsRealGeMatrix<MWV>::value && IsRealDenseVector<VWORK>::value, void>::Type laqr2(bool wantT, bool wantZ, IndexType kTop, IndexType kBot, IndexType nw, MH &&H, IndexType iLoZ, IndexType iHiZ, MZ &&Z, IndexType &ns, IndexType &nd, VSR &&sr, VSI &&si, MV &&V, MT &&T, MWV &&WV, VWORK &&work); // // Complex variant // template <typename IndexType, typename MH, typename MZ, typename VSH, typename MV, typename MT, typename MWV, typename VWORK> typename RestrictTo<IsComplexGeMatrix<MH>::value && IsComplexGeMatrix<MZ>::value && IsComplexDenseVector<VSH>::value && IsComplexGeMatrix<MV>::value && IsComplexGeMatrix<MT>::value && IsComplexGeMatrix<MWV>::value && IsComplexDenseVector<VWORK>::value, void>::Type laqr2(bool wantT, bool wantZ, IndexType kTop, IndexType kBot, IndexType nw, MH &&H, IndexType iLoZ, IndexType iHiZ, MZ &&Z, IndexType &ns, IndexType &nd, VSH &&sh, MV &&V, MT &&T, MWV &&WV, VWORK &&work); // // Workspace query (real/complex variant) // template <typename IndexType, typename MT> IndexType laqr2_wsq(IndexType kTop, IndexType kBot, IndexType nw, const GeMatrix<MT> &T); } } // namespace lapack, flens #endif // FLENS_LAPACK_LA_LAQR2_H |