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densevector.h
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densevector.h
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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,
class = typename RestrictTo<!IsSame<A,RHS>::value, void>::Type>
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);
template <typename T>
typename RestrictTo<IsConvertible<T,ElementType>::value,
DenseVector>::Type &
operator+=(const T &rhs);
template <typename T>
typename RestrictTo<IsConvertible<T,ElementType>::value,
DenseVector>::Type &
operator-=(const T &rhs);
template <typename T>
typename RestrictTo<IsConvertible<T,ElementType>::value,
DenseVector>::Type &
operator*=(const T &alpha);
template <typename T>
typename RestrictTo<IsConvertible<T,ElementType>::value,
DenseVector>::Type &
operator/=(const T &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_;
const IndexType stride_;
};
//-- 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;
};
//
// IsBooleanDenseVector
//
template <typename T>
struct IsBooleanDenseVector
{
typedef typename std::remove_reference<T>::type TT;
static const bool value = IsDenseVector<TT>::value
&& IsSame<typename TT::ElementType, bool>::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