Point_Rn.h

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// politopix allows to make computations on polytopes such as finding vertices, intersecting, Minkowski sums, ...
//     Copyright (C) 2011-2015 : Delos Vincent
//
//     This program is free software: you can redistribute it and/or modify
//     it under the terms of the GNU General Public License as published by
//     the Free Software Foundation, either version 3 of the License, or
//     (at your option) any later version.
//
//     This program 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 General Public License for more details.
//
//     You should have received a copy of the GNU General Public License
//     along with this program.  If not, see <http://www.gnu.org/licenses/>.
//
// I2M (UMR CNRS 5295 / University of Bordeaux)
 
#ifndef POINT_Rn
#define POINT_Rn
 
#include <algorithm>
#include <stdexcept>
#include <exception>
#include <boost/numeric/ublas/vector.hpp>
#include <boost/numeric/ublas/io.hpp>
#include "polito_Export.h"
 
using namespace boost::numeric::ublas;
 
class polito_EXPORT Point_Rn {
 
 public:
  // Think about in the future to an empty constructor
  // reading the dimension stored in a static variable.
  Point_Rn(unsigned int n);
 
  Point_Rn(unsigned int n, double u);
 
  Point_Rn(double u1, double u2, double u3);
 
  virtual ~Point_Rn();
 
  double normalize();
 
  double distanceFrom(const Point_Rn&);
 
  void setCoordinate(unsigned int i, double val);
 
  double getCoordinate(unsigned int i) const;
 
  int dimension() const {return _coordinates.size();}
 
  void load(std::istream &this_istream);
 
  void save(std::ostream &this_ostream) const;
 
  vector<double>::const_iterator begin() const {return _coordinates.begin();}
 
  vector<double>::const_iterator  end()  const {return _coordinates.end();}
 
  const vector<double>& vect() const {return _coordinates;}
 
  void negate() { _coordinates = -1.*_coordinates; }
 
  static std::string concatStrings(int i, const std::string& functionName);
 
  static std::string concatStrings(int i, double val, const std::string& functionName);
 
 protected:
  // Create an empty set of coordinates.
  vector<double> _coordinates;
 
};
 
 
#endif // POINT_Rn