lavli.h

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// -*-C++-*- 

// Copyright (C) 2004 
// Christian Stimming <stimming@tuhh.de>

// This library 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, or (at
// your option) any later version.

// This library 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 library; see the file COPYING.  If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.

//      LAPACK++ (V. 1.1)
//      (C) 1992-1996 All Rights Reserved.

#ifndef _LA_VECTOR_LONG_INT_H_
#define _LA_VECTOR_LONG_INT_H_

#include "lafnames.h"

#include LA_GEN_MAT_LONG_INT_H


class LaVectorLongInt: public LaGenMatLongInt
{
   public:

      inline LaVectorLongInt();

      inline LaVectorLongInt(int n);

      inline LaVectorLongInt(int m, int n);  

      inline LaVectorLongInt(long int* v, int n);

      inline LaVectorLongInt(long int* v, int m, int n);

      inline LaVectorLongInt(const LaGenMatLongInt&);

      LaVectorLongInt (const LaIndex& ind);


      inline int size() const;

      inline int inc() const;

      inline int start() const;

      inline int end() const;

      inline LaIndex index() const;

      inline long int& operator()(int i);

      inline const long int& operator()(int i) const ;

      inline LaVectorLongInt operator()(const LaIndex&);

      inline LaVectorLongInt& operator=(long int);

      inline LaVectorLongInt& operator=(const LaGenMatLongInt&);


      inline LaVectorLongInt& inject(const LaGenMatLongInt &);

      inline LaVectorLongInt& copy(const LaGenMatLongInt &);

      inline LaVectorLongInt& ref(const LaGenMatLongInt &);
    
};

// NOTE: we default to column vectors, since matrices are column
//  oriented.

inline LaVectorLongInt::LaVectorLongInt() : LaGenMatLongInt(0,1) {}
inline LaVectorLongInt::LaVectorLongInt(int i) : LaGenMatLongInt(i,1) {}

// NOTE: one shouldn't be using this method to initalize, but
// it is here so that the constructor can be overloaded with 
// a runtime test.
//
inline LaVectorLongInt::LaVectorLongInt(int m, int n) : LaGenMatLongInt(m,n)
{
   assert(n==1 || m==1);
}

inline LaVectorLongInt::LaVectorLongInt(long int *d, int m) : 
   LaGenMatLongInt(d,m,1) {}

#if 0
inline LaVectorLongInt::LaVectorLongInt(long int *d, int m, int n) : 
   LaGenMatLongInt(d,m,n) {}
#endif

inline LaVectorLongInt::LaVectorLongInt(const LaGenMatLongInt& G) : 
   LaGenMatLongInt(G)
{
   assert(G.size(0)==1 || G.size(1)==1);

}
        
//note that vectors can be either stored columnwise, or row-wise

// this will handle the 0x0 case as well.

inline int LaVectorLongInt::size() const 
{ return LaGenMatLongInt::size(0)*LaGenMatLongInt::size(1); }

inline long int& LaVectorLongInt::operator()(int i)
{ if (LaGenMatLongInt::size(0)==1 )
   return LaGenMatLongInt::operator()(0,i);
else
   return LaGenMatLongInt::operator()(i,0);
}

inline const long int& LaVectorLongInt::operator()(int i) const
{ if (LaGenMatLongInt::size(0)==1 )
   return LaGenMatLongInt::operator()(0,i);
else
   return LaGenMatLongInt::operator()(i,0);
}

inline LaVectorLongInt LaVectorLongInt::operator()(const LaIndex& I)
{ if (LaGenMatLongInt::size(0)==1)
   return LaGenMatLongInt::operator()(LaIndex(0,0),I).shallow_assign(); 
else
   return LaGenMatLongInt::operator()(I,LaIndex(0,0)).shallow_assign(); 
}


inline LaVectorLongInt& LaVectorLongInt::copy(const LaGenMatLongInt &A)
{
   assert(A.size(0) == 1 || A.size(1) == 1);   //make sure rhs is a
   // a vector.
   LaGenMatLongInt::copy(A);
   return *this;
}

inline LaVectorLongInt& LaVectorLongInt::operator=(const LaGenMatLongInt &A)
{
   return copy(A);
}

inline LaVectorLongInt& LaVectorLongInt::ref(const LaGenMatLongInt &A)
{
   assert(A.size(0) == 1 || A.size(1) == 1);
   LaGenMatLongInt::ref(A);
   return *this;
}

inline LaVectorLongInt& LaVectorLongInt::operator=(long int d)
{
   LaGenMatLongInt::operator=(d);
   return *this;
}

inline LaVectorLongInt& LaVectorLongInt::inject(const LaGenMatLongInt &A)
{
   assert(A.size(0) == 1 || A.size(1) == 1);
   LaGenMatLongInt::inject(A);
   return *this;
}
    
inline int LaVectorLongInt::inc() const
{
   if (LaGenMatLongInt::size(1)==1 )
      return LaGenMatLongInt::inc(0);
   else
      return LaGenMatLongInt::inc(1)*LaGenMatLongInt::gdim(0);
   // NOTE: This was changed on 2005-03-04 because without the dim[0]
   // this gives wrong results on non-unit-stride submatrix views.
}

inline LaIndex LaVectorLongInt::index() const
{
   if (LaGenMatLongInt::size(1)==1 )
      return LaGenMatLongInt::index(0);
   else
      return LaGenMatLongInt::index(1);
}

inline int LaVectorLongInt::start() const
{
   if (LaGenMatLongInt::size(1)==1 )
      return LaGenMatLongInt::start(0);
   else
      return LaGenMatLongInt::start(1);
}

inline int LaVectorLongInt::end() const
{
   if (LaGenMatLongInt::size(1)==1 )
      return LaGenMatLongInt::end(0);
   else
      return LaGenMatLongInt::end(1);
}

#endif 
// _LA_VECTOR_LONG_INT_H_

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