/usr/include/linbox/vector/sparse.h is in liblinbox-dev 1.4.2-3.
This file is owned by root:root, with mode 0o644.
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* Copyright (C) 2000, 2010 Jean-Guillaume Dumas
*
* Written by Jean-Guillaume Dumas <Jean-Guillaume.Dumas@imag.fr>
*
* ========LICENCE========
* This file is part of the library LinBox.
*
* LinBox 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 2.1 of the License, 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; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
* ========LICENCE========
*/
// =======================================================================
// Sparse Vector : vector< Pair<T> > and an additional actual size
// =======================================================================
#ifndef __LINBOX_sparse_vector_H
#define __LINBOX_sparse_vector_H
#include <iostream>
#include "linbox/vector/vector-traits.h"
// ---------------------------------------------------
//
/// Default container for sparse vectors is LightContainer
#ifndef _IBB_VECTOR_
// #include <vector>
// #define _IBB_VECTOR_ std::vector
#include "linbox/vector/light_container.h"
#define _IBB_VECTOR_ LightContainer
#endif // _IBB_VECTOR_
#ifndef _IBB_PAIR_
#include <utility>
#define _IBB_PAIR_ std::pair
// #include "linbox/vector/pair.h"
// #define _IBB_PAIR_ Pair
#endif // _IBB_PAIR_
namespace LinBox
{
// ---------------------------------------------------
//
/** \brief vector< Pair<T,I> > and actualsize
\ingroup vector
*/
template<class T, class I = unsigned int>
class Sparse_Vector : public _IBB_VECTOR_< _IBB_PAIR_<I, T> > {
public:
typedef _IBB_PAIR_<I, T> Element;
typedef T Type_t;
typedef Sparse_Vector<T, I> Self_t;
// Dan Roche 6-30-04
typedef VectorCategories::SparseSequenceVectorTag VectorCategory;
Sparse_Vector() {};
Sparse_Vector(size_t n) :
_IBB_VECTOR_< _IBB_PAIR_<I, T> >(n), _rsize(0)
{};
Sparse_Vector(size_t n, size_t rn) :
_IBB_VECTOR_< _IBB_PAIR_<I, T> >(n), _rsize(rn)
{};
~Sparse_Vector() {};
/// Actual dimension of the vector, 0 for infinite or unknown
inline size_t actualsize() const { return _rsize; };
inline size_t reactualsize( const size_t s ) { return _rsize = s; };
template<class XX> inline size_t reactualsize( const XX s )
{
return _rsize = (size_t)s;
}
friend inline std::ostream& operator<< (std::ostream& o, const Sparse_Vector<T, I> v)
{
if (v.size())
for(long i=0;i<v.size();i++)
o << v[i] << std::endl;
return o;
}
private:
size_t _rsize;
};
} //end of namespace LinBox
#endif // __LINBOX_sparse_vector_H
// vim:sts=8:sw=8:ts=8:noet:sr:cino=>s,f0,{0,g0,(0,:0,t0,+0,=s
// Local Variables:
// mode: C++
// tab-width: 8
// indent-tabs-mode: nil
// c-basic-offset: 8
// End:
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