STK_Array2DLowerTriangular.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 Array2DLowerTriangular class.
 * Author:   Serge Iovleff, S..._Dot_I..._At_stkpp_Dot_org (see copyright for ...)
 *
 **/
 
#ifndef STK_ARRAY2DLOWERTRIANGULAR_H
#define STK_ARRAY2DLOWERTRIANGULAR_H
 
#include "STK_IArray2D.h"
#include "STK_IArray2DSlicers.h"
#include "STK_IArray2DModifiers.h"
 
namespace STK
{
// forward declaration
template<typename> class Array2DLowerTriangular;
template<typename> class Array2DPoint;
template<typename> class Array2DVector;
 
typedef Array2DLowerTriangular<Real>   ArrayLowerTriangularXX;
typedef Array2DLowerTriangular<double> ArrayLowerTriangularXXd;
typedef Array2DLowerTriangular<int>    ArrayLowerTriangularXXi;
 
namespace hidden
{
template<class Type_>
struct Traits< Array2DLowerTriangular<Type_> >
{  private:
    class Void {};
  public:
    typedef Array2DPoint<Type_>           Row;
    typedef Array2DVector<Type_>          Col;
    typedef Array2DPoint<Type_>           SubRow;
    typedef Array2DVector<Type_>          SubCol;
    typedef Array2DLowerTriangular<Type_> SubArray;
    typedef Void                          SubVector;
 
    typedef Type_                Type;
    typedef typename RemoveConst<Type>::Type const& TypeConst;
 
   enum
   {
     structure_ = Arrays::lower_triangular_,
     orient_    = Arrays::by_col_,
     sizeRows_  = UnknownSize,
     sizeCols_  = UnknownSize,
     storage_ = Arrays::dense_ // always dense
   };
   typedef Array1D<Type, UnknownSize> ColVector;
};
 
}
 
template<class Type_ >
class Array2DLowerTriangular: public IArray2D< Array2DLowerTriangular<Type_> >
{
  public:
    typedef IArray2D< Array2DLowerTriangular<Type_> > Base;
    typedef ArrayBase < Array2DLowerTriangular<Type_> > LowBase;
 
    typedef typename hidden::Traits<Array2DLowerTriangular<Type_> >::Row Row;
    typedef typename hidden::Traits<Array2DLowerTriangular<Type_> >::Col Col;
    typedef typename hidden::Traits<Array2DLowerTriangular<Type_> >::SubRow SubRow;
    typedef typename hidden::Traits<Array2DLowerTriangular<Type_> >::SubCol SubCol;
    typedef typename hidden::Traits<Array2DLowerTriangular<Type_> >::SubVector SubVector;
    typedef typename hidden::Traits<Array2DLowerTriangular<Type_> >::SubArray SubArray;
 
    typedef typename hidden::Traits<Array2DLowerTriangular<Type_> >::Type Type;
    typedef typename hidden::Traits<Array2DLowerTriangular<Type_> >::TypeConst TypeConst;
 
   enum
   {
     structure_ = Arrays::lower_triangular_,
     orient_    = Arrays::by_col_,
     sizeRows_  = UnknownSize,
     sizeCols_  = UnknownSize,
     storage_ = Arrays::dense_ // always dense
   };
 
    Array2DLowerTriangular(): Base() {}
    Array2DLowerTriangular( Range const& I, Range const& J): Base(I, J) {}
    Array2DLowerTriangular( Range const& I, Range const& J, Type const& v)
                         : Base(I, J)
    { LowBase::setValue(v);}
    Array2DLowerTriangular( const Array2DLowerTriangular &T, bool ref=false)
                         : Base(T, ref) {}
    Array2DLowerTriangular( const Base& T, Range const& I, Range const& J)
                         : Base(T, I, J) {}
    Array2DLowerTriangular( Type** q, Range const& I, Range const& J)
                         : Base(q, I, J) {}
    template<class OtherDerived>
    Array2DLowerTriangular( ExprBase<OtherDerived> const& T): Base()
    { LowBase::operator=(T);}
    ~Array2DLowerTriangular() {}
    template<class Rhs>
    Array2DLowerTriangular& operator=(ExprBase<Rhs> const& T)
    { return LowBase::operator=(T);}
    Array2DLowerTriangular& operator=( Array2DLowerTriangular const& T) { return LowBase::assign(T);}
    Array2DLowerTriangular& operator=(Type const& v){ return LowBase::setValue(v);}
    void shift1D(int beg)
    { Base::shift(beg, beg);}
    Array2DLowerTriangular& resize1D( Range const& I)
    { Base::resize(I, I); return *this;}
};
 
} // namespace STK
 
#endif
// STK_ARRAY2DLOWERTRIANGULAR_H