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This class implements an interface for the CPLEX MIP solver.
#include <lemon/cplex.h>
Inheritance diagram for CplexMip:Public Member Functions | |
| CplexMip () | |
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| CplexMip (const CplexEnv &) | |
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| CplexMip (const CplexMip &) | |
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| virtual | ~CplexMip () |
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| virtual CplexMip * | cloneSolver () const |
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| virtual CplexMip * | newSolver () const |
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| Public Member Functions inherited from MipSolver | |
| SolveExitStatus | solve () |
| ProblemType | type () const |
| The type of the MIP problem. | |
| Value | sol (Col c) const |
| Return the value of the row in the solution. More... | |
| Value | sol (const Expr &e) const |
| Return the value of the expression in the solution. More... | |
| Value | solValue () const |
| The value of the objective function. More... | |
| void | colType (Col c, ColTypes col_type) |
| Sets the type of the given column to the given type. More... | |
| ColTypes | colType (Col c) const |
| Gives back the type of the column. More... | |
| Public Member Functions inherited from LpBase | |
| virtual | ~LpBase () |
| Virtual destructor. | |
| const char * | solverName () const |
| Gives back the name of the solver. | |
| Col | addCol () |
| Add a new empty column (i.e a new variable) to the LP. | |
| template<class T > | |
| int | addColSet (T &t) |
| Adds several new columns (i.e variables) at once. More... | |
| void | col (Col c, const DualExpr &e) |
| Set a column (i.e a dual constraint) of the LP. More... | |
| DualExpr | col (Col c) const |
| Get a column (i.e a dual constraint) of the LP. More... | |
| Col | addCol (const DualExpr &e, Value o=0) |
| Add a new column to the LP. More... | |
| Row | addRow () |
| Add a new empty row (i.e a new constraint) to the LP. More... | |
| template<class T > | |
| int | addRowSet (T &t) |
| Add several new rows (i.e constraints) at once. More... | |
| void | row (Row r, Value l, const Expr &e, Value u) |
| Set a row (i.e a constraint) of the LP. More... | |
| void | row (Row r, const Constr &c) |
| Set a row (i.e a constraint) of the LP. More... | |
| Expr | row (Row r) const |
| Get a row (i.e a constraint) of the LP. More... | |
| Row | addRow (Value l, const Expr &e, Value u) |
| Add a new row (i.e a new constraint) to the LP. More... | |
| Row | addRow (const Constr &c) |
| Add a new row (i.e a new constraint) to the LP. More... | |
| void | erase (Col c) |
| Erase a column (i.e a variable) from the LP. More... | |
| void | erase (Row r) |
| Erase a row (i.e a constraint) from the LP. More... | |
| std::string | colName (Col c) const |
| Get the name of a column. More... | |
| void | colName (Col c, const std::string &name) |
| Set the name of a column. More... | |
| Col | colByName (const std::string &name) const |
| Get the column by its name. More... | |
| std::string | rowName (Row r) const |
| Get the name of a row. More... | |
| void | rowName (Row r, const std::string &name) |
| Set the name of a row. More... | |
| Row | rowByName (const std::string &name) const |
| Get the row by its name. More... | |
| void | coeff (Row r, Col c, Value val) |
| Set an element of the coefficient matrix of the LP. More... | |
| Value | coeff (Row r, Col c) const |
| Get an element of the coefficient matrix of the LP. More... | |
| void | colLowerBound (Col c, Value value) |
| Set the lower bound of a column (i.e a variable) More... | |
| Value | colLowerBound (Col c) const |
| Get the lower bound of a column (i.e a variable) More... | |
| template<class T > | |
| void | colLowerBound (T &t, Value value) |
| Set the lower bound of several columns (i.e variables) at once. More... | |
| void | colUpperBound (Col c, Value value) |
| Set the upper bound of a column (i.e a variable) More... | |
| Value | colUpperBound (Col c) const |
| Get the upper bound of a column (i.e a variable) More... | |
| template<class T > | |
| void | colUpperBound (T &t, Value value) |
| Set the upper bound of several columns (i.e variables) at once. More... | |
| void | colBounds (Col c, Value lower, Value upper) |
| Set the lower and the upper bounds of a column (i.e a variable) More... | |
| 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... | |
| void | rowLowerBound (Row r, Value value) |
| Set the lower bound of a row (i.e a constraint) More... | |
| Value | rowLowerBound (Row r) const |
| Get the lower bound of a row (i.e a constraint) More... | |
| void | rowUpperBound (Row r, Value value) |
| Set the upper bound of a row (i.e a constraint) More... | |
| Value | rowUpperBound (Row r) const |
| Get the upper bound of a row (i.e a constraint) More... | |
| void | objCoeff (Col c, Value v) |
| Set an element of the objective function. | |
| Value | objCoeff (Col c) const |
| Get an element of the objective function. | |
| void | obj (const Expr &e) |
| Set the objective function. More... | |
| Expr | obj () const |
| Get the objective function. More... | |
| void | sense (Sense sense) |
| Set the direction of optimization. | |
| Sense | sense () const |
| Query the direction of the optimization. | |
| void | max () |
| Set the sense to maximization. | |
| void | min () |
| Set the sense to maximization. | |
| void | clear () |
| Clear the problem. | |
| void | messageLevel (MessageLevel level) |
| Set the message level of the solver. | |
| void | write (std::string file, std::string format="MPS") const |
| Write the problem to a file in the given format. More... | |
| Public Member Functions inherited from CplexBase | |
| const CplexEnv & | env () const |
Returns the used CplexEnv instance. | |
| const cpxenv * | cplexEnv () const |
| Returns the const cpxenv pointer. More... | |
| cpxenv * | cplexEnv () |
| Returns the const cpxenv pointer. More... | |
| cpxlp * | cplexLp () |
| Returns the cplex problem object. | |
| const cpxlp * | cplexLp () const |
| Returns the cplex problem object. | |
| void | write (std::string file, std::string format="MPS") const |
| Write the problem or the solution to a file in the given format. More... | |
Additional Inherited Members | |
| Public Types inherited from MipSolver | |
| enum | ProblemType { UNDEFINED = 0, INFEASIBLE = 1, FEASIBLE = 2, OPTIMAL = 3, UNBOUNDED = 4 } |
| The problem types for MIP problems. More... | |
| enum | ColTypes { REAL = 0, INTEGER = 1 } |
| Possible variable (column) types (e.g. real, integer, binary etc.) More... | |
| Public Types inherited from LpBase | |
| enum | SolveExitStatus { SOLVED = 0, UNSOLVED = 1 } |
| Possible outcomes of an LP solving procedure. More... | |
| enum | Sense { MIN, MAX } |
| Direction of the optimization. More... | |
| enum | MessageLevel { MESSAGE_NOTHING, MESSAGE_ERROR, MESSAGE_WARNING, MESSAGE_NORMAL, MESSAGE_VERBOSE } |
Enum for messageLevel() parameter. More... | |
| typedef double | Value |
| The floating point type used by the solver. | |
| Static Public Member Functions inherited from LpBase | |
| static int | id (const Col &col) |
| Returns the ID of the column. | |
| static Col | colFromId (int id) |
| Returns the column with the given ID. More... | |
| static int | id (const Row &row) |
| Returns the ID of the row. | |
| static Row | rowFromId (int id) |
| Returns the row with the given ID. More... | |
| Static Public Attributes inherited from LpBase | |
| static const Value | INF |
| The infinity constant. | |
| static const Value | NaN |
| The not a number constant. | |
1.8.5
