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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. */ #ifndef FLENS_BLAS_CLOSURES_TWEAKS_R2_H #define FLENS_BLAS_CLOSURES_TWEAKS_R2_H 1 #include <flens/blas/closures/tweaks/defaulteval.h> #include <flens/blas/closures/tweaks/r.h> #include <flens/blas/operators/operators.h> #include <flens/matrixtypes/matrixtypes.h> #include <flens/typedefs.h> #include <flens/vectortypes/vectortypes.h> namespace flens { namespace blas { // // Matrix closure of form: a1*VX1*VY1^H + a2*VY2*VX2^H // template <typename VX1, typename VY1, typename VY2, typename VX2> using MatrixClosureR2C = MatrixClosure<OpAdd, MatrixClosureRC<VX1, VY1>, MatrixClosureRC<VY2, VX2> >; // // Matrix closure of form: a1*VX1*VY1^T + a2*VY2*VX2^T // template <typename VX1, typename VY1, typename VY2, typename VX2> using MatrixClosureR2U = MatrixClosure<OpAdd, MatrixClosureRU<VX1, VY1>, MatrixClosureRU<VY2, VX2> >; //-- HermitianMatrix ----------------------------------------------------------- // // A += alpha*x*conjTrans(y) + conjugate(alpha)*y*conjTrans(x) // template <typename ALPHA, typename VX1, typename VY1, typename VY2, typename VX2, typename MA> typename RestrictTo<DefaultEval<MatrixClosureR2C<VX1, VY1, VY2, VX2>>::value && IsVector<VX1>::value && IsVector<VY1>::value && IsVector<VY2>::value && IsVector<VX2>::value && IsHermitianMatrix<MA>::value, void>::Type axpy(Transpose trans, const ALPHA &alpha, const MatrixClosureR2C<VX1, VY1, VY2, VX2> &xyh_yxh, MA &A); //-- SymmetricMatrix ----------------------------------------------------------- // // A += alpha*x*transpose(y) + alpha*y*transpose(x) // template <typename ALPHA, typename VX1, typename VY1, typename VY2, typename VX2, typename MA> typename RestrictTo<DefaultEval<MatrixClosureR2U<VX1, VY1, VY2, VX2>>::value && IsVector<VX1>::value && IsVector<VY1>::value && IsVector<VY2>::value && IsVector<VX2>::value && IsSymmetricMatrix<MA>::value, void>::Type axpy(Transpose trans, const ALPHA &alpha, const MatrixClosureR2U<VX1, VY1, VY2, VX2> &xyt_yxt, MA &A); } } // namespace blas, flens #endif // FLENS_BLAS_CLOSURES_TWEAKS_R2_H |