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/*
* Copyright (c) 2007-2012, 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_VECTORTYPES_IMPL_DENSEVECTOR_H #define FLENS_VECTORTYPES_IMPL_DENSEVECTOR_H 1 #include <flens/auxiliary/auxiliary.h> #include <flens/scalartypes/scalar.h> #include <flens/vectortypes/auxiliary/imagvector.h> #include <flens/vectortypes/auxiliary/realvector.h> #include <flens/storage/array/imagarray.h> #include <flens/storage/array/realarray.h> #include <flens/vectortypes/impl/dv/constelementclosure.h> #include <flens/vectortypes/impl/dv/elementclosure.h> #include <flens/vectortypes/impl/dv/initializer.h> #include <flens/vectortypes/vector.h> namespace flens { // forward declaration template <typename IndexType> class IndexVariable; template <typename A> class DenseVector : public Vector<DenseVector<A> > { public: typedef A 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; // view types typedef DenseVector<EngineConstView> ConstView; typedef DenseVector<EngineView> View; typedef DenseVector<EngineNoView> NoView; private: typedef DenseVector DV; public: typedef flens::IndexVariable<IndexType> IndexVariable; typedef densevector::ConstElementClosure<DV> ConstElementClosure; typedef densevector::ElementClosure<DV> ElementClosure; typedef densevector::Initializer<DV> Initializer; DenseVector(); explicit DenseVector(IndexType length); DenseVector(IndexType length, IndexType firstIndex); DenseVector(const Range<IndexType> &range); DenseVector(const Engine &engine, bool reverse=false); DenseVector(const DenseVector &rhs); template <typename RHS> DenseVector(const DenseVector<RHS> &rhs); template <typename RHS> DenseVector(DenseVector<RHS> &rhs); template <typename RHS> DenseVector(const Vector<RHS> &rhs); // -- operators -------------------------------------------------------- Initializer operator=(const ElementType &value); DenseVector & operator=(const DenseVector &rhs); template <typename RHS> DenseVector & operator=(const Vector<RHS> &rhs); template <typename RHS> DenseVector & operator+=(const Vector<RHS> &rhs); template <typename RHS> DenseVector & operator-=(const Vector<RHS> &rhs); DenseVector & operator+=(const ElementType &rhs); DenseVector & operator-=(const ElementType &rhs); DenseVector & operator*=(const ElementType &alpha); DenseVector & operator/=(const ElementType &alpha); const ElementType & operator()(IndexType index) const; ElementType & operator()(IndexType index); template <typename S> const densevector::ConstElementClosure<DenseVector, typename Scalar<S>::Impl> operator()(const Scalar<S> &index) const; const ConstElementClosure operator()(const IndexVariable &index) const; ElementClosure operator()(IndexVariable &index); //-- views ------------------------------------------------------------- const ConstView operator()(const Range<IndexType> &range) const; View operator()(const Range<IndexType> &range); const ConstView operator()(const Range<IndexType> &range, IndexType firstViewIndex) const; View operator()(const Range<IndexType> &range, IndexType firstViewIndex); const ConstView operator()(const Underscore<IndexType> &all, IndexType firstViewIndex) const; View operator()(const Underscore<IndexType> &all, IndexType firstViewIndex); const ConstView reverse() const; View reverse(); // -- methods ---------------------------------------------------------- Range<IndexType> range() const; IndexType firstIndex() const; IndexType lastIndex() const; IndexType length() const; IndexType inc() const; IndexType endIndex() const; const ElementType * data() const; ElementType * data(); IndexType stride() const; IndexType indexBase() const; template <typename RHS> bool resize(const DenseVector<RHS> &rhs, const ElementType &value = ElementType()); bool resize(IndexType length, IndexType firstIndex = Engine::defaultIndexBase, const ElementType &value = ElementType()); bool fill(const ElementType &value = ElementType(0)); void changeIndexBase(IndexType firstIndex); // -- implementation --------------------------------------------------- const A & engine() const; A & engine(); bool reversed() const; private: A _array; bool _reverse; }; //-- Traits -------------------------------------------------------------------- // // IsDenseVector // struct _DenseVectorChecker { struct Two { char x; char y; }; static Two check(_AnyConversion); template <typename Any> static char check(DenseVector<Any>); }; template <typename T> struct IsDenseVector { static T var; static const bool value = sizeof(_DenseVectorChecker::check(var))==1; }; // // IsIntegerDenseVector // template <typename T> struct IsIntegerDenseVector { typedef typename std::remove_reference<T>::type TT; static const bool value = IsDenseVector<TT>::value && IsInteger<typename TT::ElementType>::value; }; // // IsRealDenseVector // template <typename T> struct IsRealDenseVector { typedef typename std::remove_reference<T>::type TT; static const bool value = IsDenseVector<TT>::value && IsNotComplex<typename TT::ElementType>::value; }; // // IsComplexDenseVector // template <typename T> struct IsComplexDenseVector { typedef typename std::remove_reference<T>::type TT; static const bool value = IsDenseVector<TT>::value && IsComplex<typename TT::ElementType>::value; }; // // ImagVector // template <typename VZ> struct ImagVector<DenseVector<VZ> > { typedef typename ImagArray<VZ>::ConstView ConstViewEngine; typedef typename ImagArray<VZ>::View ViewEngine; typedef DenseVector<ConstViewEngine> ConstView; typedef DenseVector<ViewEngine> View; }; // // RealVector // template <typename VZ> struct RealVector<DenseVector<VZ> > { typedef typename RealArray<VZ>::ConstView ConstViewEngine; typedef typename RealArray<VZ>::View ViewEngine; typedef DenseVector<ConstViewEngine> ConstView; typedef DenseVector<ViewEngine> View; }; //-- DenseVector specific functions -------------------------------------------- // // imag // template <typename VZ> typename ImagVector<DenseVector<VZ> >::ConstView imag(const DenseVector<VZ> &z); template <typename VZ> typename RestrictTo<IsDenseVector<VZ>::value, typename ImagVector<typename RemoveRef<VZ>::Type>::View>::Type imag(VZ &&z); // // real // template <typename VZ> typename RealVector<DenseVector<VZ> >::ConstView real(const DenseVector<VZ> &z); template <typename VZ> typename RestrictTo<IsDenseVector<VZ>::value, typename RealVector<typename RemoveRef<VZ>::Type>::View>::Type real(VZ &&z); // // fillRandom // template <typename VX> typename RestrictTo<IsDenseVector<VX>::value, bool>::Type fillRandom(VX &&x); } // namespace flens #endif // FLENS_VECTORTYPES_IMPL_DENSEVECTOR_H |