ClpLinearObjective Class Reference
Linear Objective Class. More...
#include <ClpLinearObjective.hpp>
Public Member Functions | |
Stuff | |
| virtual double * | gradient (const ClpSimplex *model, const double *solution, double &offset, bool refresh, int includeLinear=2) |
| Returns objective coefficients. | |
| virtual double | reducedGradient (ClpSimplex *model, double *region, bool useFeasibleCosts) |
| Returns reduced gradient.Returns an offset (to be added to current one). | |
| virtual double | stepLength (ClpSimplex *model, const double *solution, const double *change, double maximumTheta, double ¤tObj, double &predictedObj, double &thetaObj) |
| Returns step length which gives minimum of objective for solution + theta * change vector up to maximum theta. | |
| virtual double | objectiveValue (const ClpSimplex *model, const double *solution) const |
| Return objective value (without any ClpModel offset) (model may be NULL). | |
| virtual void | resize (int newNumberColumns) |
| Resize objective. | |
| virtual void | deleteSome (int numberToDelete, const int *which) |
| Delete columns in objective. | |
| virtual void | reallyScale (const double *columnScale) |
| Scale objective. | |
Constructors and destructors | |
| ClpLinearObjective () | |
| Default Constructor. | |
| ClpLinearObjective (const double *objective, int numberColumns) | |
| Constructor from objective. | |
| ClpLinearObjective (const ClpLinearObjective &) | |
| Copy constructor. | |
| ClpLinearObjective (const ClpLinearObjective &rhs, int numberColumns, const int *whichColumns) | |
| Subset constructor. | |
| ClpLinearObjective & | operator= (const ClpLinearObjective &rhs) |
| Assignment operator. | |
| virtual | ~ClpLinearObjective () |
| Destructor. | |
| virtual ClpObjective * | clone () const |
| Clone. | |
| virtual ClpObjective * | subsetClone (int numberColumns, const int *whichColumns) const |
| Subset clone. | |
Private Attributes | |
Private member data | |
| double * | objective_ |
| number of columns | |
| int | numberColumns_ |
| number of columns | |
Detailed Description
Linear Objective Class.
Definition at line 17 of file ClpLinearObjective.hpp.
Constructor & Destructor Documentation
| ClpLinearObjective::ClpLinearObjective | ( | ) |
Default Constructor.
| ClpLinearObjective::ClpLinearObjective | ( | const double * | objective, | |
| int | numberColumns | |||
| ) |
Constructor from objective.
| ClpLinearObjective::ClpLinearObjective | ( | const ClpLinearObjective & | ) |
Copy constructor.
| ClpLinearObjective::ClpLinearObjective | ( | const ClpLinearObjective & | rhs, | |
| int | numberColumns, | |||
| const int * | whichColumns | |||
| ) |
Subset constructor.
Duplicates are allowed and order is as given.
| virtual ClpLinearObjective::~ClpLinearObjective | ( | ) | [virtual] |
Destructor.
Member Function Documentation
| virtual double* ClpLinearObjective::gradient | ( | const ClpSimplex * | model, | |
| const double * | solution, | |||
| double & | offset, | |||
| bool | refresh, | |||
| int | includeLinear = 2 | |||
| ) | [virtual] |
Returns objective coefficients.
Offset is always set to 0.0. All other parameters unused.
Implements ClpObjective.
| virtual double ClpLinearObjective::reducedGradient | ( | ClpSimplex * | model, | |
| double * | region, | |||
| bool | useFeasibleCosts | |||
| ) | [virtual] |
Returns reduced gradient.Returns an offset (to be added to current one).
Implements ClpObjective.
| virtual double ClpLinearObjective::stepLength | ( | ClpSimplex * | model, | |
| const double * | solution, | |||
| const double * | change, | |||
| double | maximumTheta, | |||
| double & | currentObj, | |||
| double & | predictedObj, | |||
| double & | thetaObj | |||
| ) | [virtual] |
Returns step length which gives minimum of objective for solution + theta * change vector up to maximum theta.
arrays are numberColumns+numberRows Also sets current objective, predicted and at maximumTheta
Implements ClpObjective.
| virtual double ClpLinearObjective::objectiveValue | ( | const ClpSimplex * | model, | |
| const double * | solution | |||
| ) | const [virtual] |
Return objective value (without any ClpModel offset) (model may be NULL).
Implements ClpObjective.
| virtual void ClpLinearObjective::resize | ( | int | newNumberColumns | ) | [virtual] |
Resize objective.
Implements ClpObjective.
| virtual void ClpLinearObjective::deleteSome | ( | int | numberToDelete, | |
| const int * | which | |||
| ) | [virtual] |
Delete columns in objective.
Implements ClpObjective.
| virtual void ClpLinearObjective::reallyScale | ( | const double * | columnScale | ) | [virtual] |
Scale objective.
Implements ClpObjective.
| ClpLinearObjective& ClpLinearObjective::operator= | ( | const ClpLinearObjective & | rhs | ) |
Assignment operator.
Reimplemented from ClpObjective.
| virtual ClpObjective* ClpLinearObjective::clone | ( | ) | const [virtual] |
Clone.
Implements ClpObjective.
| virtual ClpObjective* ClpLinearObjective::subsetClone | ( | int | numberColumns, | |
| const int * | whichColumns | |||
| ) | const [virtual] |
Member Data Documentation
double* ClpLinearObjective::objective_ [private] |
number of columns
Definition at line 97 of file ClpLinearObjective.hpp.
int ClpLinearObjective::numberColumns_ [private] |
number of columns
Definition at line 99 of file ClpLinearObjective.hpp.
The documentation for this class was generated from the following file:
- /home/coin/svn-release/Bcp-1.3.8/Clp/src/ClpLinearObjective.hpp
