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/*
* Copyright (c) 2007, 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_MATRIXTYPES_TRIANGULAR_IMPL_TRMATRIX_H #define FLENS_MATRIXTYPES_TRIANGULAR_IMPL_TRMATRIX_H 1 #include <flens/auxiliary/auxiliary.h> #include <flens/matrixtypes/triangular/triangularmatrix.h> #include <flens/matrixtypes/triangular/impl/tr/constelementclosure.h> #include <flens/matrixtypes/triangular/impl/tr/elementclosure.h> #include <flens/scalartypes/impl/indexvariable.h> #include <flens/typedefs.h> namespace flens { // forward declarations template <typename A> class DenseVector; template <typename FS> class GeMatrix; template <typename FS> class HeMatrix; template <typename FS> class SyMatrix; template <typename FS> class TrMatrix : public TriangularMatrix<TrMatrix<FS> > { public: typedef FS 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 typedef DenseVector<ConstArrayView> ConstVectorView; typedef DenseVector<ArrayView> VectorView; typedef DenseVector<Array> Vector; typedef GeMatrix<EngineConstView> ConstGeneralView; typedef GeMatrix<EngineView> GeneralView; typedef GeMatrix<EngineNoView> GeneralNoView; typedef HeMatrix<EngineConstView> ConstHermitianView; typedef HeMatrix<EngineView> HermitianView; typedef HeMatrix<EngineNoView> HermitianNoView; typedef SyMatrix<EngineConstView> ConstSymmetricView; typedef SyMatrix<EngineView> SymmetricView; typedef SyMatrix<EngineNoView> SymmetricNoView; typedef TrMatrix<EngineConstView> ConstView; typedef TrMatrix<EngineView> View; typedef TrMatrix<EngineNoView> NoView; private: typedef TrMatrix TR; public: typedef flens::IndexVariable<IndexType> IndexVariable; typedef trmatrix::ConstElementClosure<TR> ConstElementClosure; typedef trmatrix::ElementClosure<TR> ElementClosure; // -- constructors ----------------------------------------------------- TrMatrix(IndexType dim, StorageUpLo upLo, Diag diag = NonUnit); TrMatrix(IndexType numRows, IndexType numCols, StorageUpLo upLo, Diag diag = NonUnit); TrMatrix(IndexType numRows, IndexType numCols, IndexType firstRow, IndexType firstCol, StorageUpLo upLo, Diag diag = NonUnit); TrMatrix(const Engine &engine, StorageUpLo upLo, Diag diag = NonUnit); TrMatrix(const TrMatrix &rhs); template <typename RHS> TrMatrix(const TrMatrix<RHS> &rhs); template <typename RHS> TrMatrix(TrMatrix<RHS> &rhs); template <typename RHS> TrMatrix(const Matrix<RHS> &rhs); // -- operators -------------------------------------------------------- void operator=(const ElementType &value); TrMatrix & operator=(const TrMatrix &rhs); template <typename RHS> TrMatrix & operator=(const Matrix<RHS> &rhs); template <typename RHS> TrMatrix & operator+=(const Matrix<RHS> &rhs); template <typename RHS> TrMatrix & operator-=(const Matrix<RHS> &rhs); const ElementType & operator()(IndexType row, IndexType col) const; ElementType & operator()(IndexType row, IndexType col); template <typename S> const trmatrix::ConstElementClosure<TrMatrix, typename Scalar<S>::Impl> operator()(const Scalar<S> &row, const Scalar<S> &col) const; const ConstElementClosure operator()(const IndexVariable &row, const IndexVariable &col) const; ElementClosure operator()(IndexVariable &row, IndexVariable &col); // -- methods ---------------------------------------------------------- IndexType numRows() const; IndexType numCols() const; IndexType dim() const; // for element access IndexType firstRow() const; IndexType lastRow() const; IndexType firstCol() const; IndexType lastCol() const; StorageUpLo upLo() const; StorageUpLo & upLo(); Diag diag() const; Diag & diag(); const ElementType * data() const; ElementType * data(); IndexType leadingDimension() const; IndexType strideRow() const; IndexType strideCol() const; StorageOrder order() const; bool fill(const ElementType &value = ElementType(0)); template <typename RHS> bool resize(const TrMatrix<RHS> &rhs, const ElementType &value = ElementType()); bool resize(IndexType numRows, IndexType numCols, IndexType firstRowIndex = Engine::defaultIndexBase, IndexType firstColIndex = Engine::defaultIndexBase, const ElementType &value = ElementType()); // -- views ------------------------------------------------------------ // diag views const ConstVectorView diag(IndexType d) const; VectorView diag(IndexType d); // general views const ConstGeneralView general() const; GeneralView general(); // hermitian views const ConstHermitianView hermitian() const; HermitianView hermitian(); // symmetric views const ConstSymmetricView symmetric() const; SymmetricView symmetric(); // rectangular views const ConstGeneralView operator()(const Range<IndexType> &rows, const Range<IndexType> &cols) const; GeneralView operator()(const Range<IndexType> &rows, const Range<IndexType> &cols); // rectangular views (all rows selected) const ConstGeneralView operator()(const Underscore<IndexType> &, const Range<IndexType> &cols) const; GeneralView operator()(const Underscore<IndexType> &, const Range<IndexType> &cols); // rectangular views (all columns selected) const ConstGeneralView operator()(const Range<IndexType> &rows, const Underscore<IndexType> &) const; GeneralView operator()(const Range<IndexType> &rows, const Underscore<IndexType> &); // row view (vector view) const ConstVectorView operator()(IndexType row, const Underscore<IndexType> &) const; VectorView operator()(IndexType row, const Underscore<IndexType> &); const ConstVectorView operator()(IndexType row, const Range<IndexType> &cols) const; VectorView operator()(IndexType row, const Range<IndexType> &cols); // column view (vector view) const ConstVectorView operator()(const Underscore<IndexType> &, IndexType col) const; VectorView operator()(const Underscore<IndexType> &, IndexType col); const ConstVectorView operator()(const Range<IndexType> &rows, IndexType col) const; VectorView operator()(const Range<IndexType> &rows, IndexType col); // -- implementation --------------------------------------------------- const Engine & engine() const; Engine & engine(); private: Engine engine_; StorageUpLo upLo_; Diag diag_; }; //-- Traits -------------------------------------------------------------------- // // IsTrMatrix // struct TrMatrixChecker_ { struct Two { char x; char y; }; static Two check(AnyConversion_); template <typename Any> static char check(TrMatrix<Any>); }; template <typename T> struct IsTrMatrix { static T var; static const bool value = sizeof(TrMatrixChecker_::check(var))==1; }; // // IsRealTrMatrix // template <typename T> struct IsRealTrMatrix { typedef typename std::remove_reference<T>::type TT; static const bool value = IsTrMatrix<TT>::value && IsNotComplex<typename TT::ElementType>::value; }; // // IsComplexTrMatrix // template <typename T> struct IsComplexTrMatrix { typedef typename std::remove_reference<T>::type TT; static const bool value = IsTrMatrix<TT>::value && IsComplex<typename TT::ElementType>::value; }; //-- TrMatrix specific functions ----------------------------------------------- // // fillRandom // template <typename MA> typename RestrictTo<IsTrMatrix<MA>::value, bool>::Type fillRandom(MA &&A); } // namespace flens #endif // FLENS_MATRIXTYPES_TRIANGULAR_IMPL_TRMATRIX_H |