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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. */ #ifndef FLENS_BLAS_CLOSURES_LEVEL2_MV_TCC #define FLENS_BLAS_CLOSURES_LEVEL2_MV_TCC 1 #include <flens/auxiliary/auxiliary.h> #include <flens/blas/closures/closures.h> #include <flens/blas/level1/level1.h> #include <flens/blas/level2/level2.h> #include <flens/blas/level3/level3.h> #include <flens/typedefs.h> #ifdef FLENS_DEBUG_CLOSURES # include <flens/blas/blaslogon.h> #else # include <flens/blas/blaslogoff.h> #endif namespace flens { namespace blas { //== TriangularMatrix - Vector products ======================================== template <typename ALPHA, typename MA, typename VX, typename BETA, typename VY> void mv(Transpose trans, const ALPHA &alpha, const TriangularMatrix<MA> &_A, const Vector<VX> &_x, const BETA &beta, Vector<VY> &_y) { using namespace DEBUGCLOSURE; const typename TriangularMatrix<MA>::Impl &A = _A.impl(); const typename Vector<VX>::Impl &x = _x.impl(); typename Vector<VY>::Impl &y = _y.impl(); // // If beta is not Zero we need a temporary // # ifndef FLENS_DEBUG_CLOSURES ASSERT(beta==BETA(0)); # else const bool tmpNeeded = (beta!=BETA(0)); typename Vector<VY>::Impl yTmp; if (tmpNeeded) { FLENS_BLASLOG_TMP_ADD(yTmp); yTmp = y; } # endif if (!identical(x, y)) { y = x; } mv(trans, A, y); if (alpha!=ALPHA(1)) { scal(alpha, y.impl()); } # ifdef FLENS_DEBUG_CLOSURES if (tmpNeeded) { y += beta*yTmp; FLENS_BLASLOG_TMP_REMOVE(yTmp, y); } # endif } //== SymmetricMatrix - Vector products ========================================= template <typename ALPHA, typename MA, typename VX, typename BETA, typename VY> void mv(Transpose trans, const ALPHA &alpha, const SymmetricMatrix<MA> &A, const Vector<VX> &x, const BETA &beta, Vector<VY> &y) { # ifdef FLENS_DEBUG_CLOSURES if (trans==NoTrans || trans==Trans) { mv(alpha, A.impl(), x.impl(), beta, y.impl()); } else { typedef typename MA::Impl::ElementType TA; typedef GeMatrix<FullStorage<TA, ColMajor> > RMA; RMA _A; FLENS_BLASLOG_TMP_ADD(_A); copy(trans, A, _A); FLENS_BLASLOG_TMP_REMOVE(_A, A); mv(NoTrans, alpha, _A, x.impl(), beta, y.impl()); } # else ASSERT(trans==NoTrans || trans==Trans); mv(alpha, A.impl(), x.impl(), beta, y.impl()); # endif } //== HermitianMatrix - Vector products ========================================= template <typename ALPHA, typename MA, typename VX, typename BETA, typename VY> void mv(Transpose trans, const ALPHA &alpha, const HermitianMatrix<MA> &A, const Vector<VX> &x, const BETA &beta, Vector<VY> &y) { # ifdef FLENS_DEBUG_CLOSURES if (trans==NoTrans || trans==ConjTrans) { mv(alpha, A.impl(), x.impl(), beta, y.impl()); } else { typedef typename MA::Impl::ElementType TA; typedef GeMatrix<FullStorage<TA, ColMajor> > RMA; RMA _A; FLENS_BLASLOG_TMP_ADD(_A); copy(trans, A, _A); FLENS_BLASLOG_TMP_REMOVE(_A, A); mv(NoTrans, alpha, _A, x.impl(), beta, y.impl()); } # else ASSERT(trans==NoTrans || trans==ConjTrans); mv(alpha, A.impl(), x.impl(), beta, y.impl()); # endif } //== Matrix - Vector products ================================================== // // This gets called if everything else fails // #ifdef FLENS_DEBUG_CLOSURES template <typename ALPHA, typename MA, typename VX, typename BETA, typename VY> void mv(Transpose trans, const ALPHA &alpha, const Matrix<MA> &A, const Vector<VX> &x, const BETA &beta, Vector<VY> &y) { FLENS_BLASLOG_BEGIN_GEMV(trans, alpha, A, x, beta, y); typedef typename MA::Impl::ElementType TA; typedef typename VX::Impl::ElementType TX; typedef GeMatrix<FullStorage<TA, ColMajor> > RMA; typedef DenseVector<Array<TX> > RVX; FLENS_BLASLOG_TMP_TRON; RMA _A = A.impl(); RVX _x = x.impl(); FLENS_BLASLOG_TMP_TROFF; mv(trans, alpha, _A, _x, beta, y.impl()); FLENS_BLASLOG_TMP_REMOVE(_A, A); FLENS_BLASLOG_TMP_REMOVE(_x, x); FLENS_BLASLOG_END; } #endif } } // namespace blas, flens #endif // FLENS_BLAS_CLOSURES_LEVEL2_MV_TCC |