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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 DLASCL( TYPE, KL, KU, CFROM, CTO, M, N, A, LDA, INFO ) * * -- LAPACK auxiliary routine (version 3.3.0) -- * -- LAPACK is a software package provided by Univ. of Tennessee, -- * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- * November 2010 */ #ifndef FLENS_LAPACK_LA_LASCL_H #define FLENS_LAPACK_LA_LASCL_H 1 #include <flens/auxiliary/auxiliary.h> #include <flens/matrixtypes/matrixtypes.h> #include <flens/vectortypes/vectortypes.h> namespace flens { namespace lapack { namespace LASCL { enum Type { FullMatrix = 'G', // = 'G': A is a full matrix. LowerTriangular = 'L', // = 'L': A is a lower triangular matrix. UpperTriangular = 'U', // = 'U': A is an upper triangular matrix. UpperHessenberg = 'H', // = 'H': A is an upper Hessenberg matrix. SymmetricLowerBand = 'B', // = 'B': A is a symmetric band matrix with // lower bandwidth KL and upper // bandwidth KU and with the only // the lower half stored. SymmetricUpperBand = 'Q', // = 'Q': A is a symmetric band matrix with // lower bandwidth KL and upper // bandwidth KU and with the only the // upper half stored. GeneralBand = 'Z' // = 'Z': A is a band matrix with lower // bandwidth KL and upper // bandwidth KU. }; } // namespace LANGE // TODO: provide an interface for different matrix types, i.e. GeMatrix, // TrMatrix, SbMatrix, HessenbergMatrix, vector types and scalars //-- lascl --------------------------------------------------------------------- template <typename Int, typename T, typename MA> typename RestrictTo<IsMatrix<MA>::value, void>::Type lascl(LASCL::Type type, Int kl, Int ku, const T &cFrom, const T &cTo, MA &&A); template <typename Int, typename T, typename VX> typename RestrictTo<IsDenseVector<VX>::value, void>::Type lascl(LASCL::Type type, Int kl, Int ku, const T &cFrom, const T &cTo, VX &&x); template <typename Int, typename T, typename ALPHA> typename RestrictTo<!IsMatrix<ALPHA>::value && !IsVector<ALPHA>::value, void>::Type lascl(LASCL::Type type, Int kl, Int ku, const T &cFrom, const T &cTo, ALPHA &&alpha); } } // namespace lapack, flens #endif // FLENS_LAPACK_LA_LASCL_H |