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