1 /*
  2  *   Copyright (c) 2009, Michael Lehn
  3  *
  4  *   All rights reserved.
  5  *
  6  *   Redistribution and use in source and binary forms, with or without
  7  *   modification, are permitted provided that the following conditions
  8  *   are met:
  9  *
 10  *   1) Redistributions of source code must retain the above copyright
 11  *      notice, this list of conditions and the following disclaimer.
 12  *   2) Redistributions in binary form must reproduce the above copyright
 13  *      notice, this list of conditions and the following disclaimer in
 14  *      the documentation and/or other materials provided with the
 15  *      distribution.
 16  *   3) Neither the name of the FLENS development group nor the names of
 17  *      its contributors may be used to endorse or promote products derived
 18  *      from this software without specific prior written permission.
 19  *
 20  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 21  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 22  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 23  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 24  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 25  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 26  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 27  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 28  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 29  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 30  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 31  */
 32 
 33 #ifndef FLENS_BLAS_LEVEL2_MV_H
 34 #define FLENS_BLAS_LEVEL2_MV_H 1
 35 
 36 #include <cxxblas/cxxblas.h>
 37 #include <flens/matrixtypes/matrixtypes.h>
 38 #include <flens/typedefs.h>
 39 #include <flens/vectortypes/vectortypes.h>
 40 
 41 namespace flens { namespace blas {
 42 
 43 //== GeneralMatrix - Vector products ===========================================
 44 
 45 //-- gemv
 46 template <typename ALPHA, typename MA, typename VX, typename BETA, typename VY>
 47     void
 48     mv(Transpose trans,
 49        const ALPHA &alpha, const GeMatrix<MA> &A, const DenseVector<VX> &x,
 50        const BETA &beta, DenseVector<VY> &y);
 51 
 52 
 53 //== TriangularMatrix - Vector products ========================================
 54 
 55 //-- trmv
 56 template <typename MA, typename VX>
 57     void
 58     mv(Transpose trans, const TrMatrix<MA> &A, DenseVector<VX> &x);
 59 
 60 
 61 //== SymmetricMatrix - Vector products =========================================
 62 
 63 //-- symv
 64 template <typename ALPHA, typename MA, typename VX, typename BETA, typename VY>
 65     void
 66     mv(const ALPHA &alpha, const SyMatrix<MA> &A, const DenseVector<VX> &x,
 67        const BETA &beta, DenseVector<VY> &y);
 68 
 69 
 70 //== HermitianMatrix - Vector products =========================================
 71 
 72 //-- hemv
 73 template <typename ALPHA, typename MA, typename VX, typename BETA, typename VY>
 74     void
 75     mv(const ALPHA &alpha, const HeMatrix<MA> &A, const DenseVector<VX> &x,
 76        const BETA &beta, DenseVector<VY> &y);
 77 
 78 
 79 //== forwarding ================================================================
 80 
 81 //-- GeneralMatrix - Vector products
 82 template <typename ALPHA, typename MA, typename VX, typename BETA, typename VY>
 83     typename RestrictTo<IsGeneralMatrix<MA>::value &&
 84                        !IsClosure<MA>::value && !IsClosure<VX>::value &&
 85                         IsSame<VY, typename VY::Impl>::value,
 86              void>::Type
 87     mv(Transpose trans,
 88        const ALPHA &alpha, const MA &A, const VX &x, const BETA &beta, VY &&y);
 89 
 90 //-- TriangularMatrix - Vector products
 91 template <typename MA, typename VX>
 92     typename RestrictTo<IsTriangularMatrix<MA>::value &&
 93                        !IsClosure<MA>::value &&
 94                         IsSame<VX, typename VX::Impl>::value,
 95              void>::Type
 96     mv(Transpose trans, const MA &A, VX &&x);
 97 
 98 //-- Symmetric Matrix - Vector products
 99 template <typename ALPHA, typename MA, typename VX, typename BETA, typename VY>
100     typename RestrictTo<IsSymmetricMatrix<MA>::value &&
101                        !IsClosure<MA>::value && !IsClosure<VX>::value &&
102                         IsSame<VY, typename VY::Impl>::value,
103              void>::Type
104     mv(const ALPHA &alpha, const MA &A, const VX &x, const BETA &beta, VY &&y);
105 
106 //-- Hermitian Matrix - Vector products
107 template <typename ALPHA, typename MA, typename VX, typename BETA, typename VY>
108     typename RestrictTo<IsHermitianMatrix<MA>::value &&
109                        !IsClosure<MA>::value && !IsClosure<VX>::value &&
110                         IsSame<VY, typename VY::Impl>::value,
111              void>::Type
112     mv(const ALPHA &alpha, const MA &A, const VX &x, const BETA &beta, VY &&y);
113 
114 
115 
116 } } // namespace blas, flens
117 
118 #endif // FLENS_BLAS_LEVEL2_MV_H