source: src/VectorSet.hpp@ ba9f5b

/*
 * VectorSet.hpp
 *
 *  Created on: Jun 2, 2010
 *      Author: crueger
 */

#ifndef VECTORSET_HPP_
#define VECTORSET_HPP_


#include <functional>
#include <algorithm>

/**
 * A simple mixin to give any STL conforming structure fast Vector abilities
 *
 * TODO: make this work for maps
 */

class Vector;

// this tests, whether we actually have a Vector
template <class V>
struct is_vector{};

template <>
struct is_vector<Vector>{
  typedef void wrong_type;
};

template <class Set>
class VectorSet : public Set
{
  // when our set carries something besides a vector this will produce an error
  typedef typename is_vector<typename Set::value_type>::wrong_type check_for_vector;
public:
  // typedefs for STL conforming structure
  typedef typename Set::iterator iterator;
  typedef typename Set::const_iterator const_iterator;

  VectorSet(){}
  virtual ~VectorSet(){}

  /**
   * translate all Vectors within this set by a specified amount
   */
  void translate(const Vector &translater){
    // this is needed to allow template lookup
    transform(this->begin(),this->end(),this->begin(),bind1st(plus<Vector>(),translater));
  }
};

#endif /* VECTORSET_HPP_ */