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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 DGEEV( JOBVL, JOBVR, N, A, LDA, WR, WI, VL, LDVL, VR, $ LDVR, WORK, LWORK, INFO ) SUBROUTINE ZGEEV( JOBVL, JOBVR, N, A, LDA, W, VL, LDVL, VR, LDVR, $ WORK, LWORK, RWORK, INFO ) * * -- LAPACK driver routine (version 3.3.1) -- * -- LAPACK is a software package provided by Univ. of Tennessee, -- * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- * -- April 2011 -- */ #ifndef FLENS_LAPACK_GE_EV_H #define FLENS_LAPACK_GE_EV_H 1 #include <flens/auxiliary/auxiliary.h> #include <flens/lapack/typedefs.h> #include <flens/matrixtypes/matrixtypes.h> #include <flens/vectortypes/vectortypes.h> namespace flens { namespace lapack { //== (ge)ev ==================================================================== // // Real variant // template <typename MA, typename VWR, typename VWI, typename MVL, typename MVR, typename VWORK> typename RestrictTo<IsRealGeMatrix<MA>::value && IsRealDenseVector<VWR>::value && IsRealDenseVector<VWI>::value && IsRealGeMatrix<MVL>::value && IsRealGeMatrix<MVR>::value && IsRealDenseVector<VWORK>::value, typename RemoveRef<MA>::Type::IndexType>::Type ev(bool computeVL, bool computeVR, MA &&A, VWR &&wr, VWI &&wi, MVL &&VL, MVR &&VR, VWORK &&work); //== (ge)ev workspace query ==================================================== // // Real variant // template <typename MA> typename RestrictTo<IsRealGeMatrix<MA>::value, Pair<typename MA::IndexType> >::Type ev_wsq(bool computeVL, bool computeVR, const MA &A); //== (ge)ev ==================================================================== // // Real variant with temporary workspace // template <typename MA, typename VWR, typename VWI, typename MVL, typename MVR, typename VWORK> typename RestrictTo<IsRealGeMatrix<MA>::value && IsRealDenseVector<VWR>::value && IsRealDenseVector<VWI>::value && IsRealGeMatrix<MVL>::value && IsRealGeMatrix<MVR>::value, typename RemoveRef<MA>::Type::IndexType>::Type ev(bool computeVL, bool computeVR, MA &&A, VWR &&wr, VWI &&wi, MVL &&VL, MVR &&VR); //== (ge)ev ==================================================================== // // Complex variant // template <typename MA, typename VW, typename MVL, typename MVR, typename VWORK, typename VRWORK> typename RestrictTo<IsComplexGeMatrix<MA>::value && IsComplexDenseVector<VW>::value && IsComplexGeMatrix<MVL>::value && IsComplexGeMatrix<MVR>::value && IsComplexDenseVector<VWORK>::value && IsRealDenseVector<VRWORK>::value, typename RemoveRef<MA>::Type::IndexType>::Type ev(bool computeVL, bool computeVR, MA &&A, VW &&w, MVL &&VL, MVR &&VR, VWORK &&work, VRWORK &&rWork); //== (ge)ev workspace query ==================================================== // // Complex variant // template <typename MA> typename RestrictTo<IsComplexGeMatrix<MA>::value, Pair<typename MA::IndexType> >::Type ev_wsq(bool computeVL, bool computeVR, const MA &A); //== (ge)ev ==================================================================== // // Complex variant with temporary workspace // template <typename MA, typename VW, typename MVL, typename MVR> typename RestrictTo<IsComplexGeMatrix<MA>::value && IsComplexDenseVector<VW>::value && IsComplexGeMatrix<MVL>::value && IsComplexGeMatrix<MVR>::value, typename RemoveRef<MA>::Type::IndexType>::Type ev(bool computeVL, bool computeVR, MA &&A, VW &&w, MVL &&VL, MVR &&VR); //== (ge)ev ==================================================================== // // Real/complex variant that only computes eigenvalues // template <typename MA, typename VW> typename RestrictTo<(IsComplexGeMatrix<MA>::value && IsComplexDenseVector<VW>::value) || (IsRealGeMatrix<MA>::value && IsRealDenseVector<VW>::value), typename RemoveRef<MA>::Type::IndexType>::Type ev(MA &&A, VW &&w); } } // namespace lapack, flens #endif // FLENS_LAPACK_GE_EV_H |