lemon-0.x: comparison lemon/lp

equal deleted inserted replaced

-:9f95caf95b13
+:10f4d133b5f5
 virtual void _setColCoeffs(int i, LpColIterator b, LpColIterator e) = 0;
 virtual void _setCoeff(int row, int col, Value value) = 0;
 virtual Value _getCoeff(int row, int col) = 0;
 virtual void _setColLowerBound(int i, Value value) = 0;
+virtual Value _getColLowerBound(int i) = 0;
 virtual void _setColUpperBound(int i, Value value) = 0;
+virtual Value _getColUpperBound(int i) = 0;
 //     virtual void _setRowLowerBound(int i, Value value) = 0;
 //     virtual void _setRowUpperBound(int i, Value value) = 0;
 virtual void _setRowBounds(int i, Value lower, Value upper) = 0;
+virtual void _getRowBounds(int i, Value &lower, Value &upper)=0;
 virtual void _setObjCoeff(int i, Value obj_coef) = 0;
 virtual Value _getObjCoeff(int i) = 0;
 virtual void _clearObj()=0;
 virtual SolveExitStatus _solve() = 0;
 /// extended number of type Value, i.e. a finite number of type
 /// Value or -\ref INF.
 void colLowerBound(Col c, Value value) {
 _setColLowerBound(_lpId(c),value);
 }
+/// Get the lower bound of a column (i.e a variable)
+/// This function returns the lower bound for column (variable) \t c
+/// (this might be -\ref INF as well).
+///\return The lower bound for coloumn \t c
+Value colLowerBound(Col c) {
+return _getColLowerBound(_lpId(c));
+}
 ///\brief Set the lower bound of  several columns
 ///(i.e a variables) at once
 ///
 ///This magic function takes a container as its argument
 /// Value or \ref INF.
 void colUpperBound(Col c, Value value) {
 _setColUpperBound(_lpId(c),value);
 };
-///\brief Set the lower bound of  several columns
+/// Get the upper bound of a column (i.e a variable)
+/// This function returns the upper bound for column (variable) \t c
+/// (this might be \ref INF as well).
+///\return The upper bound for coloumn \t c
+Value colUpperBound(Col c) {
+return _getColUpperBound(_lpId(c));
+}
+///\brief Set the upper bound of  several columns
 ///(i.e a 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
 //       _setRowUpperBound(_lpId(r),value);
 //     };
 /// Set the lower and the upper bounds of a row (i.e a constraint)
-/// The lower and the upper bounds of
+/// The lower and the upper bound of
 /// a constraint (row) have to be given by an
 /// extended number of type Value, i.e. a finite number of type
-/// Value, -\ref INF or \ref INF.
+/// Value, -\ref INF or \ref INF. There is no separate function for the
+/// lower and the upper bound because that would have been hard to implement
+/// for CPLEX.
 void rowBounds(Row c, Value lower, Value upper) {
 _setRowBounds(_lpId(c),lower, upper);
-// _setRowUpperBound(_lpId(c),upper);
+}
-}
+/// Get the lower and the upper bounds of a row (i.e a constraint)
+/// The lower and the upper bound of
+/// a constraint (row) are
+/// extended numbers of type Value, i.e.  finite numbers of type
+/// Value, -\ref INF or \ref INF.
+/// \todo There is no separate function for the
+/// lower and the upper bound because we had problems with the
+/// implementation of the setting functions for CPLEX:
+/// check out whether this can be done for these functions.
+void getRowBounds(Row c, Value &lower, Value &upper) {
+_getRowBounds(_lpId(c),lower, upper);
+}
 ///Set an element of the objective function
 void objCoeff(Col c, Value v) {_setObjCoeff(_lpId(c),v); };
 ///Get an element of the objective function
 Value objCoeff(Col c) {return _getObjCoeff(_lpId(c)); };

changeset 2331	e389580e3348
parent 2324	18fc834761d9
child 2345	bfcaad2b84e8