RhodeCode

    }

    /// Get an element of the coefficient matrix of the LP

    ///\param r is the row of the element

    ///\param c is the column of the element

    ///\return the corresponding coefficient

    Value coeff(Row r, Col c) const {

      return _getCoeff(rows(id(r)),cols(id(c)));

    }

    /// Set the lower bound of a column (i.e a variable)

    /// The lower bound of a variable (column) has to be given by an

    /// extended number of type Value, i.e. a finite number of type

    /// Value or -\ref INF.

    void colLowerBound(Col c, Value value) {

      _setColLowerBound(cols(id(c)),value);

    }

    /// Get the lower bound of a column (i.e a variable)

    /// This function returns the lower bound for column (variable) \c c

    /// (this might be -\ref INF as well).

    ///\return The lower bound for column \c c

    Value colLowerBound(Col c) const {

      return _getColLowerBound(cols(id(c)));

    }

    ///\brief Set the lower bound of  several columns

    ///(i.e variables) at once

    ///

    ///This magic function takes a container as its argument

    ///and applies the function on all of its elements.

    ///The lower bound of a variable (column) has to be given by an

    ///extended number of type Value, i.e. a finite number of type

    ///Value or -\ref INF.

#ifdef DOXYGEN

    template<class T>

    void colLowerBound(T &t, Value value) { return 0;}

#else

    template<class T>

    typename enable_if<typename T::value_type::LpCol,void>::type

    colLowerBound(T &t, Value value,dummy<0> = 0) {

      for(typename T::iterator i=t.begin();i!=t.end();++i) {

        colLowerBound(*i, value);

      }

    }

    template<class T>

    typename enable_if<typename T::value_type::second_type::LpCol,

                       void>::type

    colLowerBound(T &t, Value value,dummy<1> = 1) {

      for(typename T::iterator i=t.begin();i!=t.end();++i) {

        colLowerBound(i->second, value);

      }

    }

    template<class T>

    typename enable_if<typename T::MapIt::Value::LpCol,

                       void>::type

    colLowerBound(T &t, Value value,dummy<2> = 2) {

      for(typename T::MapIt i(t); i!=INVALID; ++i){

        colLowerBound(*i, value);

      }

    }

#endif

    /// Set the upper bound of a column (i.e a variable)

    /// The upper bound of a variable (column) has to be given by an

    /// extended number of type Value, i.e. a finite number of type

    /// Value or \ref INF.

    void colUpperBound(Col c, Value value) {

      _setColUpperBound(cols(id(c)),value);

    };

    /// Get the upper bound of a column (i.e a variable)

    /// This function returns the upper bound for column (variable) \c c

    /// (this might be \ref INF as well).

    /// \return The upper bound for column \c c

    Value colUpperBound(Col c) const {

      return _getColUpperBound(cols(id(c)));

    }

    ///\brief Set the upper bound of  several columns

    ///(i.e variables) at once

    ///

    ///This magic function takes a container as its argument

    ///and applies the function on all of its elements.

    ///The upper bound of a variable (column) has to be given by an

    ///extended number of type Value, i.e. a finite number of type

    ///Value or \ref INF.

#ifdef DOXYGEN

    template<class T>

    void colUpperBound(T &t, Value value) { return 0;}

#else

        colUpperBound(*i, value);

      }

    }

                       void>::type

        colUpperBound(i->second, value);

      }

    }

                       void>::type

        colUpperBound(*i, value);

      }

    }

#endif

    /// Set the lower and the upper bounds of a column (i.e a variable)

    /// The lower and the upper bounds of

    /// a variable (column) have to be given by an

    /// extended number of type Value, i.e. a finite number of type

    /// Value, -\ref INF or \ref INF.

    void colBounds(Col c, Value lower, Value upper) {

      _setColLowerBound(cols(id(c)),lower);

      _setColUpperBound(cols(id(c)),upper);

    }

    ///\brief Set the lower and the upper bound of several columns

    ///(i.e variables) at once

    ///

    ///This magic function takes a container as its argument

    ///and applies the function on all of its elements.

    /// The lower and the upper bounds of

    /// a variable (column) have to be given by an

    /// extended number of type Value, i.e. a finite number of type

    /// Value, -\ref INF or \ref INF.

#ifdef DOXYGEN

    template<class T>

    void colBounds(T &t, Value lower, Value upper) { return 0;}

#else

        colBounds(*i, lower, upper);

      }

    }

        colBounds(i->second, lower, upper);

      }

    }

        colBounds(*i, lower, upper);

      }

    }

#endif

    /// Set the lower bound of a row (i.e a constraint)

    /// The lower bound of a constraint (row) has to be given by an

    /// extended number of type Value, i.e. a finite number of type

    /// Value or -\ref INF.

    void rowLowerBound(Row r, Value value) {

      _setRowLowerBound(rows(id(r)),value);

    }

    /// Get the lower bound of a row (i.e a constraint)

    /// This function returns the lower bound for row (constraint) \c c

    /// (this might be -\ref INF as well).

    ///\return The lower bound for row \c r

    Value rowLowerBound(Row r) const {

      return _getRowLowerBound(rows(id(r)));

    }

    /// Set the upper bound of a row (i.e a constraint)

    /// The upper bound of a constraint (row) has to be given by an

    /// extended number of type Value, i.e. a finite number of type

    /// Value or -\ref INF.

    void rowUpperBound(Row r, Value value) {

      _setRowUpperBound(rows(id(r)),value);

    }

    /// Get the upper bound of a row (i.e a constraint)

    /// This function returns the upper bound for row (constraint) \c c

    /// (this might be -\ref INF as well).

    ///\return The upper bound for row \c r

    Value rowUpperBound(Row r) const {

      return _getRowUpperBound(rows(id(r)));

    }

    ///Set an element of the objective function

    void objCoeff(Col c, Value v) {_setObjCoeff(cols(id(c)),v); };

    ///Get an element of the objective function

    Value objCoeff(Col c) const { return _getObjCoeff(cols(id(c))); };

    ///Set the objective function

    ///\param e is a linear expression of type \ref Expr.

    ///

    void obj(const Expr& e) {

      _setObjCoeffs(ExprIterator(e.comps.begin(), cols),

                    ExprIterator(e.comps.end(), cols));

      obj_const_comp = *e;

    }

    ///Get the objective function

    ///\return the objective function as a linear expression of type

    ///Expr.

    Expr obj() const {

      Expr e;

      _getObjCoeffs(InsertIterator(e.comps, cols));

      *e = obj_const_comp;

      return e;

    }

    ///Set the direction of optimization

    void sense(Sense sense) { _setSense(sense); }

    ///Query the direction of the optimization

    Sense sense() const {return _getSense(); }

    ///Set the sense to maximization

    void max() { _setSense(MAX); }

    ///Set the sense to maximization

    void min() { _setSense(MIN); }

    ///Clears the problem

    void clear() { _clear(); }

    ///@}

  };

  /// Addition

  ///\relates LpBase::Expr

  ///

  inline LpBase::Expr operator+(const LpBase::Expr &a, const LpBase::Expr &b) {

    LpBase::Expr tmp(a);

    tmp+=b;

    return tmp;