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 gradient. More... | |
virtual double | reducedGradient (ClpSimplex *model, double *region, bool useFeasibleCosts) |
Returns reduced gradient.Returns an offset (to be added to current one). More... | |
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. More... | |
virtual double | objectiveValue (const ClpSimplex *model, const double *solution) const |
Return objective value (without any ClpModel offset) (model may be NULL) More... | |
virtual void | resize (int newNumberColumns) |
Resize objective. More... | |
virtual void | deleteSome (int numberToDelete, const int *which) |
Delete columns in objective. More... | |
virtual void | reallyScale (const double *columnScale) |
Scale objective. More... | |
Constructors and destructors | |
ClpLinearObjective () | |
Default Constructor. More... | |
ClpLinearObjective (const double *objective, int numberColumns) | |
Constructor from objective. More... | |
ClpLinearObjective (const ClpLinearObjective &) | |
Copy constructor. More... | |
ClpLinearObjective (const ClpLinearObjective &rhs, int numberColumns, const int *whichColumns) | |
Subset constructor. More... | |
ClpLinearObjective & | operator= (const ClpLinearObjective &rhs) |
Assignment operator. More... | |
virtual | ~ClpLinearObjective () |
Destructor. More... | |
virtual ClpObjective * | clone () const |
Clone. More... | |
virtual ClpObjective * | subsetClone (int numberColumns, const int *whichColumns) const |
Subset clone. More... | |
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virtual int | markNonlinear (char *which) |
Given a zeroed array sets nonlinear columns to 1. More... | |
virtual void | newXValues () |
Say we have new primal solution - so may need to recompute. More... | |
ClpObjective () | |
Default Constructor. More... | |
ClpObjective (const ClpObjective &) | |
Copy constructor. More... | |
ClpObjective & | operator= (const ClpObjective &rhs) |
Assignment operator. More... | |
virtual | ~ClpObjective () |
Destructor. More... | |
int | type () |
Returns type (above 63 is extra information) More... | |
int | activated () const |
Whether activated. More... | |
void | setActivated (int value) |
Set whether activated. More... | |
double | nonlinearOffset () const |
Objective offset. More... | |
Private Attributes | |
Private member data | |
Objective | |
double * | objective_ |
number of columns More... | |
int | numberColumns_ |
number of columns More... | |
Additional Inherited Members | |
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double | offset_ |
Value of non-linear part of objective. More... | |
int | type_ |
Type of objective - linear is 1. More... | |
int | activated_ |
Whether activated. More... | |
Linear Objective Class.
Definition at line 15 of file ClpLinearObjective.hpp.
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.
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virtual |
Destructor.
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Returns gradient.
If Linear then solution may be NULL, also returns an offset (to be added to current one) If refresh is false then uses last solution Uses model for scaling includeLinear 0 - no, 1 as is, 2 as feasible
Implements ClpObjective.
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Returns reduced gradient.Returns an offset (to be added to current one).
Implements ClpObjective.
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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.
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Return objective value (without any ClpModel offset) (model may be NULL)
Implements ClpObjective.
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Resize objective.
Implements ClpObjective.
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Delete columns in objective.
Implements ClpObjective.
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Scale objective.
Implements ClpObjective.
ClpLinearObjective& ClpLinearObjective::operator= | ( | const ClpLinearObjective & | rhs | ) |
Assignment operator.
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Clone.
Implements ClpObjective.
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virtual |
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private |
number of columns
Definition at line 97 of file ClpLinearObjective.hpp.
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private |
number of columns
Definition at line 99 of file ClpLinearObjective.hpp.