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// Copyright (c) 2005 INRIA (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you may redistribute it under
// the terms of the Q Public License version 1.0.
// See the file LICENSE.QPL distributed with CGAL.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL: svn+ssh://scm.gforge.inria.fr/svn/cgal/branches/CGAL-3.2-branch/Surface_mesh_parameterization/include/CGAL/Taucs_vector.h $
// $Id: Taucs_vector.h 29081 2006-03-06 13:32:35Z lsaboret $
//
//
// Author(s) : Laurent Saboret, Pierre Alliez, Bruno Levy
#ifndef CGAL_TAUCS_VECTOR
#define CGAL_TAUCS_VECTOR
#include <cassert>
CGAL_BEGIN_NAMESPACE
/// The class Taucs_vector
/// is a C++ wrapper around TAUCS' vector type, which is a simple array.
///
/// Concept: Model of the SparseLinearAlgebraTraits_d::Vector concept.
template<class T> // Tested with T = taucs_single or taucs_double
// May also work with T = taucs_dcomplex and taucs_scomplex
class Taucs_vector
{
// Public types
public:
typedef T NT;
// Public operations
public:
/// Create a vector initialized with zeros.
Taucs_vector(int dimension)
{
m_dimension = dimension;
m_element = new T[dimension];
// init with zeros
for (int i=0; i < m_dimension; i++)
m_element[i] = 0;
}
/// Copy constructor.
Taucs_vector(const Taucs_vector& toCopy)
{
m_dimension = toCopy.m_dimension;
m_element = new T[m_dimension];
for (int i=0; i < m_dimension; i++)
m_element[i] = toCopy.m_element[i];
}
/// operator =()
Taucs_vector& operator =(const Taucs_vector& toCopy)
{
delete[] m_element;
m_dimension = toCopy.m_dimension;
m_element = new T[m_dimension];
for (int i=0; i < m_dimension; i++)
m_element[i] = toCopy.m_element[i];
return *this;
}
~Taucs_vector()
{
delete[] m_element;
m_element = NULL;
}
/// Return the vector's number of coefficients.
int dimension() const {
return m_dimension;
}
/// Read/write access to a vector coefficient.
///
/// Preconditions:
/// 0 <= i < dimension().
T operator[](int i) const {
assert(i < m_dimension);
return m_element[i];
}
T& operator[](int i) {
assert(i < m_dimension);
return m_element[i];
}
/// Get TAUCS vector wrapped by this object.
const T* get_taucs_vector() const {
return m_element;
}
T* get_taucs_vector() {
return m_element;
}
// Fields
private:
int m_dimension; ///< Vector size.
T* m_element; ///< Array of m_dimension T elements.
};
CGAL_END_NAMESPACE
#endif // CGAL_TAUCS_VECTOR
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