This class does nothing, but it can serve as a skeleton when implementing an interface to new solvers.
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virtual int | _addCol () |
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virtual int | _addRow () |
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virtual int | _addRow (Value l, ExprIterator b, ExprIterator e, Value u) |
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virtual void | _eraseCol (int i) |
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virtual void | _eraseRow (int i) |
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virtual void | _getColName (int col, std::string &name) const |
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virtual void | _setColName (int col, const std::string &name) |
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virtual int | _colByName (const std::string &name) const |
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virtual void | _getRowName (int row, std::string &name) const |
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virtual void | _setRowName (int row, const std::string &name) |
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virtual int | _rowByName (const std::string &name) const |
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virtual void | _setRowCoeffs (int i, ExprIterator b, ExprIterator e) |
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virtual void | _getRowCoeffs (int i, InsertIterator b) const |
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virtual void | _setColCoeffs (int i, ExprIterator b, ExprIterator e) |
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virtual void | _getColCoeffs (int i, InsertIterator b) const |
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virtual void | _setCoeff (int row, int col, Value value) |
| | Set one element of the coefficient matrix.
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virtual Value | _getCoeff (int row, int col) const |
| | Get one element of the coefficient matrix.
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| virtual void | _setColLowerBound (int i, Value value) |
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| virtual Value | _getColLowerBound (int i) const |
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| virtual void | _setColUpperBound (int i, Value value) |
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| virtual Value | _getColUpperBound (int i) const |
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| virtual void | _setRowLowerBound (int i, Value value) |
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| virtual Value | _getRowLowerBound (int i) const |
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| virtual void | _setRowUpperBound (int i, Value value) |
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| virtual Value | _getRowUpperBound (int i) const |
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virtual void | _setObjCoeffs (ExprIterator b, ExprIterator e) |
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virtual void | _getObjCoeffs (InsertIterator b) const |
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virtual void | _setObjCoeff (int i, Value obj_coef) |
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virtual Value | _getObjCoeff (int i) const |
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virtual void | _setSense (Sense) |
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virtual Sense | _getSense () const |
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virtual void | _clear () |
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virtual void | _messageLevel (MessageLevel) |
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virtual void | _write (std::string file, std::string format) const |
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| enum | SolveExitStatus { SOLVED = 0,
UNSOLVED = 1
} |
| | Possible outcomes of an LP solving procedure. More...
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| enum | Sense { MIN,
MAX
} |
| | Direction of the optimization. More...
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| enum | MessageLevel {
MESSAGE_NOTHING,
MESSAGE_ERROR,
MESSAGE_WARNING,
MESSAGE_NORMAL,
MESSAGE_VERBOSE
} |
| | Enum for messageLevel() parameter. More...
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typedef double | Value |
| | The floating point type used by the solver.
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virtual | ~LpBase () |
| | Virtual destructor.
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const char * | solverName () const |
| | Gives back the name of the solver.
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Col | addCol () |
| | Add a new empty column (i.e a new variable) to the LP.
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| int | addColSet (T &t) |
| | Adds several new columns (i.e variables) at once. More...
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| void | col (Col c, const DualExpr &e) |
| | Set a column (i.e a dual constraint) of the LP. More...
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| DualExpr | col (Col c) const |
| | Get a column (i.e a dual constraint) of the LP. More...
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| Col | addCol (const DualExpr &e, Value o=0) |
| | Add a new column to the LP. More...
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| Row | addRow () |
| | Add a new empty row (i.e a new constraint) to the LP. More...
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| template<class T > |
| int | addRowSet (T &t) |
| | Add several new rows (i.e constraints) at once. More...
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| void | row (Row r, Value l, const Expr &e, Value u) |
| | Set a row (i.e a constraint) of the LP. More...
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| void | row (Row r, const Constr &c) |
| | Set a row (i.e a constraint) of the LP. More...
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| Expr | row (Row r) const |
| | Get a row (i.e a constraint) of the LP. More...
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| Row | addRow (Value l, const Expr &e, Value u) |
| | Add a new row (i.e a new constraint) to the LP. More...
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| Row | addRow (const Constr &c) |
| | Add a new row (i.e a new constraint) to the LP. More...
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| void | erase (Col c) |
| | Erase a column (i.e a variable) from the LP. More...
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| void | erase (Row r) |
| | Erase a row (i.e a constraint) from the LP. More...
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| std::string | colName (Col c) const |
| | Get the name of a column. More...
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| void | colName (Col c, const std::string &name) |
| | Set the name of a column. More...
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| Col | colByName (const std::string &name) const |
| | Get the column by its name. More...
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| std::string | rowName (Row r) const |
| | Get the name of a row. More...
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| void | rowName (Row r, const std::string &name) |
| | Set the name of a row. More...
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| Row | rowByName (const std::string &name) const |
| | Get the row by its name. More...
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| void | coeff (Row r, Col c, Value val) |
| | Set an element of the coefficient matrix of the LP. More...
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| Value | coeff (Row r, Col c) const |
| | Get an element of the coefficient matrix of the LP. More...
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| void | colLowerBound (Col c, Value value) |
| | Set the lower bound of a column (i.e a variable) More...
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| Value | colLowerBound (Col c) const |
| | Get the lower bound of a column (i.e a variable) More...
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| template<class T > |
| void | colLowerBound (T &t, Value value) |
| | Set the lower bound of several columns (i.e variables) at once. More...
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| void | colUpperBound (Col c, Value value) |
| | Set the upper bound of a column (i.e a variable) More...
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| Value | colUpperBound (Col c) const |
| | Get the upper bound of a column (i.e a variable) More...
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| void | colUpperBound (T &t, Value value) |
| | Set the upper bound of several columns (i.e variables) at once. More...
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| void | colBounds (Col c, Value lower, Value upper) |
| | Set the lower and the upper bounds of a column (i.e a variable) More...
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| template<class T > |
| void | colBounds (T &t, Value lower, Value upper) |
| | Set the lower and the upper bound of several columns (i.e variables) at once. More...
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| void | rowLowerBound (Row r, Value value) |
| | Set the lower bound of a row (i.e a constraint) More...
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| Value | rowLowerBound (Row r) const |
| | Get the lower bound of a row (i.e a constraint) More...
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| void | rowUpperBound (Row r, Value value) |
| | Set the upper bound of a row (i.e a constraint) More...
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| Value | rowUpperBound (Row r) const |
| | Get the upper bound of a row (i.e a constraint) More...
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void | objCoeff (Col c, Value v) |
| | Set an element of the objective function.
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Value | objCoeff (Col c) const |
| | Get an element of the objective function.
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| void | obj (const Expr &e) |
| | Set the objective function. More...
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| Expr | obj () const |
| | Get the objective function. More...
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void | sense (Sense sense) |
| | Set the direction of optimization.
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Sense | sense () const |
| | Query the direction of the optimization.
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void | max () |
| | Set the sense to maximization.
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void | min () |
| | Set the sense to maximization.
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void | clear () |
| | Clear the problem.
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void | messageLevel (MessageLevel level) |
| | Set the message level of the solver.
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| void | write (std::string file, std::string format="MPS") const |
| | Write the problem to a file in the given format. More...
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static int | id (const Col &col) |
| | Returns the ID of the column.
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| static Col | colFromId (int id) |
| | Returns the column with the given ID. More...
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static int | id (const Row &row) |
| | Returns the ID of the row.
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| static Row | rowFromId (int id) |
| | Returns the row with the given ID. More...
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static const Value | INF |
| | The infinity constant.
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static const Value | NaN |
| | The not a number constant.
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