STK_SArray2DDiagonal.h

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/*--------------------------------------------------------------------*/
/*     Copyright (C) 2004-2016  Serge Iovleff, Université Lille 1, Inria
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
    License along with this program; if not, write to the
    Free Software Foundation, Inc.,
    59 Temple Place,
    Suite 330,
    Boston, MA 02111-1307
    USA
 
    Contact : S..._Dot_I..._At_stkpp_Dot_org (see copyright for ...)
*/
 
/*
 * Project:  stkpp::Arrays
 * Purpose:  Define the SArray2DDiagonal class.
 * Author:   Serge Iovleff, S..._Dot_I..._At_stkpp_Dot_org (see copyright for ...)
 *
 **/
 
#ifndef STK_SARRAY2DDIAGONAL_H
#define STK_SARRAY2DDIAGONAL_H
 
#include "STK_SArray1D.h"
 
#include "STK_IArray2D.h"
#include "STK_IArray2DSlicers.h"
#include "STK_IArray2DModifiers.h"
 
namespace STK
{
// forward declaration
template< typename Type> class SArray2DDiagonal;
template< typename Type> class SArray2DPoint;
template< typename Type> class SArray2DVector;
 
typedef SArray2DDiagonal<Real>   SArrayDiagonalX;
typedef SArray2DDiagonal<double> SArrayDiagonalXd;
typedef SArray2DDiagonal<int>    SArrayDiagonalXi;
 
namespace hidden
{
template<class Type_>
struct Traits<SArray2DDiagonal<Type_> >
{
  private:
    class Void {};
  public:
    typedef SArray2DPoint<Type_>    Row;
    typedef SArray2DVector<Type_>   Col;
    typedef SArray2DPoint<Type_>    SubRow;
    typedef SArray2DVector<Type_>   SubCol;
    typedef SArray2DDiagonal<Type_> SubArray;
    typedef SArray2DDiagonal<Type_> SubVector;
 
    typedef Type_                Type;
    typedef typename RemoveConst<Type>::Type const& TypeConst;
 
    enum
    {
      structure_ = Arrays::diagonal_,
      orient_    = Arrays::by_col_,
      sizeRows_  = UnknownSize,
      sizeCols_  = UnknownSize,
      size_      = UnknownSize,
      storage_   = Arrays::sparse_
    };
    typedef SArray1D<Type, UnknownSize, UnknownSize> ColVector;
};
 
} // namespace hidden
 
template<class Type_>
class SArray2DDiagonal: public IArray2D< SArray2DDiagonal<Type_> >
{
  public:
    typedef IArray2D< SArray2DDiagonal<Type_> > Base;
    typedef ArrayBase <  SArray2DDiagonal<Type_> > LowBase;
 
    typedef typename hidden::Traits<SArray2DDiagonal<Type_> >::Row Row;
    typedef typename hidden::Traits<SArray2DDiagonal<Type_> >::Col Col;
    typedef typename hidden::Traits<SArray2DDiagonal<Type_> >::SubRow SubRow;
    typedef typename hidden::Traits<SArray2DDiagonal<Type_> >::SubCol SubCol;
    typedef typename hidden::Traits<SArray2DDiagonal<Type_> >::SubVector SubVector;
    typedef typename hidden::Traits<SArray2DDiagonal<Type_> >::SubArray SubArray;
 
    typedef typename hidden::Traits<SArray2DDiagonal<Type_> >::Type Type;
    typedef typename hidden::Traits<SArray2DDiagonal<Type_> >::TypeConst TypeConst;
 
    enum
    {
      structure_ = Arrays::diagonal_,
      orient_    = Arrays::by_col_,
      sizeRows_  = UnknownSize,
      sizeCols_  = UnknownSize,
      storage_   = Arrays::dense_ // always dense
    };
    SArray2DDiagonal(): Base() {}
    SArray2DDiagonal( Range const& I): Base(I, I) {}
    SArray2DDiagonal( Range const& I, Real const& v): Base(I, I) { LowBase::setValue(v);}
    SArray2DDiagonal( SArray2DDiagonal const& T, bool ref=false): Base(T, ref) {}
    SArray2DDiagonal( SArray2DDiagonal const& T, Range const& I): Base(T, I, I) {}
    template<class OtherDerived>
    SArray2DDiagonal( ExprBase<OtherDerived> const& T): Base()
    { LowBase::operator=(T);}
    ~SArray2DDiagonal() {}
    inline Type& elt1Impl(int i) { return this->elt(i,i);}
    inline Type const& elt1Impl(int i) const { return this->elt(i,i);}
    void shift1D(int beg) { Base::shift(beg, beg);}
    SArray2DDiagonal& resize1D( Range const& I)
    { Base::resize(I, I); return *this;}
    inline void setValue1D( int i, TypeConst v)
    { this->setValue(i, i, v);}
 
    void insertElt( int pos, int n =1)
    {
      Base::insertCols(pos, n);
      this->incEndRows(n);
      Base::update( Range(pos+n, this->lastIdxCols(), 0) );
    }
    void erase( int pos, int n=1)
    {
      Base::eraseCols(pos, n);
      this->decEndRows(n);
      Base::update( Range(pos, this->lastIdxCols(), 0) );
    }
    void pushBack(int n=1)
    {
      Base::pushBackCols(n);
      this->incEndRows(n);
    }
 
    void popBack(int n=1)
    {
      Base::popBackCols(n);
      this->decEndRows(n);
    }
    template<class Rhs>
    SArray2DDiagonal& operator=(ExprBase<Rhs> const& T) { return LowBase::operator=(T);}
    SArray2DDiagonal& operator=(const SArray2DDiagonal &T) { return LowBase::assign(T);}
    SArray2DDiagonal& operator=(Type const& v){ return LowBase::setValue(v);}
};
 
} // namespace STK
 
 
#endif
// STK_SARRAY2DDIAGONAL_H