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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_STORAGE_BANDSTORAGE_BANDSTORAGEVIEW_H #define FLENS_STORAGE_BANDSTORAGE_BANDSTORAGEVIEW_H 1 #include <cxxblas/typedefs.h> #include <flens/typedefs.h> #include <flens/storage/indexoptions.h> namespace flens { template <typename T, typename I, typename A> class Array; template <typename T, typename I, typename A> class ArrayView; template <typename T, typename I, typename A> class ConstArrayView; template <typename T, StorageOrder Order, typename I, typename A> class BandStorage; template <typename T, StorageOrder Order, typename I, typename A> class ConstBandStorageView; template <typename T, StorageOrder Order = ColMajor, typename I = IndexOptions<>, typename A = std::allocator<T> > class BandStorageView { public: typedef T ElementType; typedef typename I::IndexType IndexType; typedef A Allocator; static const StorageOrder order = Order; static const IndexType defaultIndexBase = I::defaultIndexBase; typedef ConstBandStorageView<T, Order, I, A> ConstView; typedef BandStorageView View; typedef BandStorage<T, Order, I, A> NoView; typedef flens::ConstArrayView<T, I, A> ConstArrayView; typedef flens::ArrayView<T, I, A> ArrayView; typedef flens::Array<T, I, A> Array; BandStorageView(IndexType numRows, IndexType numCols, IndexType numSubDiags, IndexType numSuperDiags, ElementType *data, IndexType leadingDimension, IndexType firstIndex = I::defaultIndexBase, const Allocator &allocator = Allocator()); BandStorageView(const BandStorageView &rhs); template <typename RHS> BandStorageView(RHS &rhs); ~BandStorageView(); //-- operators --------------------------------------------------------- const ElementType & operator()(IndexType row, IndexType col) const; ElementType & operator()(IndexType row, IndexType col); //-- methods ----------------------------------------------------------- IndexType firstRow() const; IndexType lastRow() const; IndexType firstCol() const; IndexType lastCol() const; IndexType firstIndex() const; IndexType lastIndex() const; IndexType numRows() const; IndexType numCols() const; IndexType dim() const; IndexType numSubDiags() const; IndexType numSuperDiags() const; IndexType leadingDimension() const; const ElementType * data() const; ElementType * data(); const Allocator & allocator() const; bool resize(IndexType numRows, IndexType numCols, IndexType numSubDiags, IndexType numSuperDiags, IndexType firstIndex = I::defaultIndexBase, const ElementType &value = ElementType()); template <typename FS> bool resize(const FS &rhs, const ElementType &value = ElementType()); bool fill(const ElementType &value = ElementType(0)); bool fillRandom(); void changeIndexBase(IndexType firstIndex); // view as an array const ConstArrayView arrayView(IndexType firstViewIndex = I::defaultIndexBase) const ; ArrayView arrayView(IndexType firstViewIndex = I::defaultIndexBase); // view of a diagonal const ConstArrayView viewDiag(IndexType diag, IndexType firstViewIndex = I::defaultIndexBase) const; ArrayView viewDiag(IndexType diag, IndexType firstViewIndex = I::defaultIndexBase); // view of some diagonals const ConstView viewDiags(IndexType fromDiag, IndexType toDiag) const; View viewDiags(IndexType fromDiag, IndexType toDiag); private: ElementType *_data; Allocator _allocator; IndexType _numRows, _numCols; IndexType _numSubDiags, _numSuperDiags; IndexType _firstIndex; IndexType _leadingDimension; }; } // namespace flens #endif // FLENS_STORAGE_BANDSTORAGE_BANDSTORAGEVIEW_H |