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/*
* Copyright (c) 2012, Michael Lehn, Klaus Pototzky * * 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_MATRIXTYPES_SYMMETRIC_IMPL_SPMATRIX_H #define FLENS_MATRIXTYPES_SYMMETRIC_IMPL_SPMATRIX_H 1 #include <cxxblas/typedefs.h> #include <flens/auxiliary/auxiliary.h> #include <flens/matrixtypes/symmetric/symmetricmatrix.h> #include <flens/typedefs.h> namespace flens { // forward declarations template <typename A> class DenseVector; template <typename PS> class HpMatrix; template <typename PS> class TpMatrix; template <typename PS> class SpMatrix : public SymmetricMatrix<SpMatrix<PS> > { public: typedef PS Engine; typedef typename Engine::ElementType ElementType; typedef typename Engine::IndexType IndexType; // view types from Engine typedef typename Engine::ConstView EngineConstView; typedef typename Engine::View EngineView; typedef typename Engine::NoView EngineNoView; typedef typename Engine::ConstArrayView ConstArrayView; typedef typename Engine::ArrayView ArrayView; typedef typename Engine::Array Array; // view types for // view types for typedef DenseVector<ConstArrayView> ConstVectorView; typedef DenseVector<ArrayView> VectorView; typedef DenseVector<Array> Vector; typedef HpMatrix<EngineConstView> ConstHermitianView; typedef HpMatrix<EngineView> HermitianView; typedef HpMatrix<EngineNoView> HermitianNoView; typedef SpMatrix<EngineConstView> ConstView; typedef SpMatrix<EngineView> View; typedef SpMatrix<EngineNoView> NoView; typedef TpMatrix<EngineConstView> ConstTriangularView; typedef TpMatrix<EngineView> TriangularView; typedef TpMatrix<EngineNoView> TriangularNoView; //-- Constructors ------------------------------------------------------ SpMatrix(IndexType dim, StorageUpLo upLo = Upper); SpMatrix(const Engine &engine, StorageUpLo upLo); SpMatrix(const SpMatrix &rhs); template <typename RHS> SpMatrix(const SpMatrix<RHS> &rhs); template <typename RHS> SpMatrix(SpMatrix<RHS> &rhs); template <typename RHS> SpMatrix(const Matrix<RHS> &rhs); //-- Operators --------------------------------------------------------- void operator=(const ElementType &alpha); SpMatrix & operator=(const SpMatrix &rhs); template <typename RHS> SpMatrix & operator=(const Matrix<RHS> &rhs); template <typename RHS> SpMatrix & operator+=(const Matrix<RHS> &rhs); template <typename RHS> SpMatrix & operator-=(const Matrix<RHS> &rhs); const ElementType & operator()(IndexType row, IndexType col) const; ElementType & operator()(IndexType row, IndexType col); SpMatrix & operator+=(const ElementType &alpha); SpMatrix & operator-=(const ElementType &alpha); SpMatrix & operator*=(const ElementType &alpha); SpMatrix & operator/=(const ElementType &alpha); //-- Methods ----------------------------------------------------------- IndexType numRows() const; IndexType numCols() const; IndexType dim() const; IndexType firstRow() const; IndexType lastRow() const; IndexType firstCol() const; IndexType lastCol() const; IndexType indexBase() const; StorageUpLo upLo() const; StorageUpLo & upLo(); const ElementType * data() const; ElementType * data(); StorageOrder order() const; bool fill(const ElementType &value = ElementType(0)); template <typename RHS> bool resize(const SpMatrix<RHS> &rhs, const ElementType &value = ElementType()); bool resize(IndexType dim, IndexType firstIndex = Engine::defaultIndexBase, const ElementType &value = ElementType()); //-- Views ------------------------------------------------------------- // hermitian views const ConstHermitianView hermitian() const; HermitianView hermitian(); // symmetric views const ConstView symmetric() const; View symmetric(); // triangular views const ConstTriangularView triangular() const; TriangularView triangular(); //-- Implementation ---------------------------------------------------- const Engine & engine() const; Engine & engine(); private: Engine _engine; StorageUpLo _upLo; }; //-- Traits -------------------------------------------------------------------- // // IsSpMatrix // struct _SpMatrixChecker { struct Two { char x; char y; }; static Two check(_AnyConversion); template <typename Any> static char check(SpMatrix<Any>); }; template <typename T> struct IsSpMatrix { static T var; static const bool value = sizeof(_SpMatrixChecker::check(var))==1; }; // // IsRealSpMatrix // template <typename T> struct IsRealSpMatrix { typedef typename std::remove_reference<T>::type TT; static const bool value = IsSpMatrix<TT>::value && IsNotComplex<typename TT::ElementType>::value; }; // // IsComplexSpMatrix // template <typename T> struct IsComplexSpMatrix { typedef typename std::remove_reference<T>::type TT; static const bool value = IsSpMatrix<TT>::value && IsComplex<typename TT::ElementType>::value; }; } // namespace flens #endif // FLENS_MATRIXTYPES_SYMMETRIC_IMPL_SPMATRIX_H |