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// ***********************************************************************
//
// Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
// Copyright (2003) Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
//
// 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 2.1 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA
// Questions? Contact Roscoe A. Bartlett (rabartl@sandia.gov)
//
// ***********************************************************************
// @HEADER
#ifndef IVECTOR_H
#define IVECTOR_H
#include <assert.h>
#include <valarray>
#include "DenseLinAlgPack_Types.hpp"
#include "Teuchos_TestForException.hpp"
namespace DenseLinAlgPack {
/** \brief . */
/* * Fortran compatable integer vector for holding the pivot information for
* the elements of a vector, or the rows or columns of a matrix.
*/
class IVector : public std::valarray<DenseLinAlgPack::size_type> {
public:
// STL typedefs
typedef DenseLinAlgPack::index_type value_type;
typedef DenseLinAlgPack::size_type size_type;
typedef value_type& reference;
typedef const value_type& const_reference;
typedef value_type* iterator;
typedef const value_type* const_iterator;
typedef std::valarray<size_type> valarray;
// constructors
/** \brief . */
IVector();
/** \brief . */
IVector(size_type n);
/** \brief . */
IVector(const value_type& val, size_type n);
/** \brief . */
IVector(const value_type* p, size_type n);
/// Resize on assignment
IVector& operator=(const IVector&);
/// 1-based element access (range checked if TEUCHOS_DEBUG is defined)
reference operator()(size_type i);
/// 1-based element access (range checked if TEUCHOS_DEBUG is defined)
const_reference operator()(size_type i) const;
/// STL iterator
iterator begin();
/// STL iterator
const_iterator begin() const;
/// STL iterator
iterator end();
/// STL iterator
const_iterator end() const;
}; // end class IVector
// Inline definitions
inline IVector::IVector() : std::valarray<size_type>()
{}
inline IVector::IVector(size_type n) : std::valarray<size_type>(n)
{}
inline IVector::IVector(const value_type& val, size_type n) : std::valarray<size_type>(val,n)
{}
inline IVector::IVector(const value_type* p, size_type n) : std::valarray<size_type>(p,n)
{}
inline IVector& IVector::operator=(const IVector& iv)
{
this->resize(iv.size());
std::valarray<DenseLinAlgPack::size_type>::operator=(iv);
return *this;
}
inline IVector::reference IVector::operator()(size_type i)
{
#ifdef TEUCHOS_DEBUG
TEST_FOR_EXCEPT( !( 1 <= i && i <= static_cast<size_type>(size()) ) );
#endif
return operator[](i-1);
}
inline IVector::const_reference IVector::operator()(size_type i) const
{
#ifdef TEUCHOS_DEBUG
TEST_FOR_EXCEPT( !( 1 <= i && i <= static_cast<size_type>(size()) ) );
#endif
return const_cast<IVector*>(this)->operator[](i-1);
}
inline IVector::iterator IVector::begin()
{ return &operator[](0); }
inline IVector::const_iterator IVector::begin() const
{ return &(const_cast<IVector*>(this)->operator[](0)); }
inline IVector::iterator IVector::end()
{ return begin() + size(); }
inline IVector::const_iterator IVector::end() const
{ return begin() + size(); }
} // end namespace DenseLinAlgPack
#endif // IVECTOR_H
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