#include <ClpNode.hpp>
Classes | |
struct | branchState |
Public Member Functions | |
Useful methods | |
void | applyNode (ClpSimplex *model, int doBoundsEtc) |
Applies node to model 0 - just tree bounds 1 - tree bounds and basis etc 2 - saved bounds and basis etc. | |
void | chooseVariable (ClpSimplex *model, ClpNodeStuff *info) |
Choose a new variable. | |
int | fixOnReducedCosts (ClpSimplex *model) |
Fix on reduced costs. | |
void | createArrays (ClpSimplex *model) |
Create odd arrays. | |
void | cleanUpForCrunch () |
Clean up as crunch is different model. | |
Gets and sets | |
double | objectiveValue () const |
Objective value. | |
void | setObjectiveValue (double value) |
Set objective value. | |
const double * | primalSolution () const |
Primal solution. | |
const double * | dualSolution () const |
Dual solution. | |
double | branchingValue () const |
Initial value of integer variable. | |
double | sumInfeasibilities () const |
Sum infeasibilities. | |
int | numberInfeasibilities () const |
Number infeasibilities. | |
int | depth () const |
Relative depth. | |
double | estimatedSolution () const |
Estimated solution value. | |
int | way () const |
Way for integer variable -1 down , +1 up. | |
bool | fathomed () const |
Return true if branch exhausted. | |
void | changeState () |
Change state of variable i.e. go other way. | |
int | sequence () const |
Sequence number of integer variable (-1 if none) | |
bool | oddArraysExist () const |
If odd arrays exist. | |
const unsigned char * | statusArray () const |
Status array. | |
Constructors, destructor | |
ClpNode () | |
Default constructor. | |
ClpNode (ClpSimplex *model, const ClpNodeStuff *stuff, int depth) | |
Constructor from model. | |
void | gutsOfConstructor (ClpSimplex *model, const ClpNodeStuff *stuff, int arraysExist, int depth) |
Does work of constructor (partly so gdb will work) | |
virtual | ~ClpNode () |
Destructor. | |
Copy methods (at present illegal - will abort) | |
ClpNode (const ClpNode &) | |
The copy constructor. | |
ClpNode & | operator= (const ClpNode &) |
Operator =. | |
Protected Attributes | |
Data | |
double | branchingValue_ |
Initial value of integer variable. | |
double | objectiveValue_ |
Value of objective. | |
double | sumInfeasibilities_ |
Sum of infeasibilities. | |
double | estimatedSolution_ |
Estimated solution value. | |
ClpFactorization * | factorization_ |
Factorization. | |
ClpDualRowSteepest * | weights_ |
Steepest edge weights. | |
unsigned char * | status_ |
Status vector. | |
double * | primalSolution_ |
Primal solution. | |
double * | dualSolution_ |
Dual solution. | |
int * | lower_ |
Integer lower bounds (only used in fathomMany) | |
int * | upper_ |
Integer upper bounds (only used in fathomMany) | |
int * | pivotVariables_ |
Pivot variables for factorization. | |
int * | fixed_ |
Variables fixed by reduced costs (at end of branch) 0x10000000 added if fixed to UB. | |
branchState | branchState_ |
State of branch. | |
int | sequence_ |
Sequence number of integer variable (-1 if none) | |
int | numberInfeasibilities_ |
Number of infeasibilities. | |
int | depth_ |
Relative depth. | |
int | numberFixed_ |
Number fixed by reduced cost. | |
int | flags_ |
Flags - 1 duals scaled. | |
int | maximumFixed_ |
Maximum number fixed by reduced cost. | |
int | maximumRows_ |
Maximum rows so far. | |
int | maximumColumns_ |
Maximum columns so far. | |
int | maximumIntegers_ |
Maximum Integers so far. |
Definition at line 17 of file ClpNode.hpp.
ClpNode::ClpNode | ( | ) |
Default constructor.
ClpNode::ClpNode | ( | ClpSimplex * | model, |
const ClpNodeStuff * | stuff, | ||
int | depth | ||
) |
Constructor from model.
virtual ClpNode::~ClpNode | ( | ) | [virtual] |
Destructor.
ClpNode::ClpNode | ( | const ClpNode & | ) |
The copy constructor.
void ClpNode::applyNode | ( | ClpSimplex * | model, |
int | doBoundsEtc | ||
) |
Applies node to model 0 - just tree bounds 1 - tree bounds and basis etc 2 - saved bounds and basis etc.
void ClpNode::chooseVariable | ( | ClpSimplex * | model, |
ClpNodeStuff * | info | ||
) |
Choose a new variable.
int ClpNode::fixOnReducedCosts | ( | ClpSimplex * | model | ) |
Fix on reduced costs.
void ClpNode::createArrays | ( | ClpSimplex * | model | ) |
Create odd arrays.
void ClpNode::cleanUpForCrunch | ( | ) |
Clean up as crunch is different model.
double ClpNode::objectiveValue | ( | ) | const [inline] |
Objective value.
Definition at line 41 of file ClpNode.hpp.
void ClpNode::setObjectiveValue | ( | double | value | ) | [inline] |
Set objective value.
Definition at line 45 of file ClpNode.hpp.
const double* ClpNode::primalSolution | ( | ) | const [inline] |
Primal solution.
Definition at line 49 of file ClpNode.hpp.
const double* ClpNode::dualSolution | ( | ) | const [inline] |
Dual solution.
Definition at line 53 of file ClpNode.hpp.
double ClpNode::branchingValue | ( | ) | const [inline] |
Initial value of integer variable.
Definition at line 57 of file ClpNode.hpp.
double ClpNode::sumInfeasibilities | ( | ) | const [inline] |
Sum infeasibilities.
Definition at line 61 of file ClpNode.hpp.
int ClpNode::numberInfeasibilities | ( | ) | const [inline] |
Number infeasibilities.
Definition at line 65 of file ClpNode.hpp.
int ClpNode::depth | ( | ) | const [inline] |
Relative depth.
Definition at line 69 of file ClpNode.hpp.
double ClpNode::estimatedSolution | ( | ) | const [inline] |
Estimated solution value.
Definition at line 73 of file ClpNode.hpp.
int ClpNode::way | ( | ) | const |
Way for integer variable -1 down , +1 up.
bool ClpNode::fathomed | ( | ) | const |
Return true if branch exhausted.
void ClpNode::changeState | ( | ) |
Change state of variable i.e. go other way.
int ClpNode::sequence | ( | ) | const [inline] |
Sequence number of integer variable (-1 if none)
Definition at line 83 of file ClpNode.hpp.
bool ClpNode::oddArraysExist | ( | ) | const [inline] |
If odd arrays exist.
Definition at line 87 of file ClpNode.hpp.
const unsigned char* ClpNode::statusArray | ( | ) | const [inline] |
Status array.
Definition at line 91 of file ClpNode.hpp.
void ClpNode::gutsOfConstructor | ( | ClpSimplex * | model, |
const ClpNodeStuff * | stuff, | ||
int | arraysExist, | ||
int | depth | ||
) |
Does work of constructor (partly so gdb will work)
double ClpNode::branchingValue_ [protected] |
Initial value of integer variable.
Definition at line 127 of file ClpNode.hpp.
double ClpNode::objectiveValue_ [protected] |
Value of objective.
Definition at line 129 of file ClpNode.hpp.
double ClpNode::sumInfeasibilities_ [protected] |
Sum of infeasibilities.
Definition at line 131 of file ClpNode.hpp.
double ClpNode::estimatedSolution_ [protected] |
Estimated solution value.
Definition at line 133 of file ClpNode.hpp.
ClpFactorization* ClpNode::factorization_ [protected] |
Factorization.
Definition at line 135 of file ClpNode.hpp.
ClpDualRowSteepest* ClpNode::weights_ [protected] |
Steepest edge weights.
Definition at line 137 of file ClpNode.hpp.
unsigned char* ClpNode::status_ [protected] |
Status vector.
Definition at line 139 of file ClpNode.hpp.
double* ClpNode::primalSolution_ [protected] |
Primal solution.
Definition at line 141 of file ClpNode.hpp.
double* ClpNode::dualSolution_ [protected] |
Dual solution.
Definition at line 143 of file ClpNode.hpp.
int* ClpNode::lower_ [protected] |
Integer lower bounds (only used in fathomMany)
Definition at line 145 of file ClpNode.hpp.
int* ClpNode::upper_ [protected] |
Integer upper bounds (only used in fathomMany)
Definition at line 147 of file ClpNode.hpp.
int* ClpNode::pivotVariables_ [protected] |
Pivot variables for factorization.
Definition at line 149 of file ClpNode.hpp.
int* ClpNode::fixed_ [protected] |
Variables fixed by reduced costs (at end of branch) 0x10000000 added if fixed to UB.
Definition at line 151 of file ClpNode.hpp.
branchState ClpNode::branchState_ [protected] |
State of branch.
Definition at line 153 of file ClpNode.hpp.
int ClpNode::sequence_ [protected] |
Sequence number of integer variable (-1 if none)
Definition at line 155 of file ClpNode.hpp.
int ClpNode::numberInfeasibilities_ [protected] |
Number of infeasibilities.
Definition at line 157 of file ClpNode.hpp.
int ClpNode::depth_ [protected] |
Relative depth.
Definition at line 159 of file ClpNode.hpp.
int ClpNode::numberFixed_ [protected] |
Number fixed by reduced cost.
Definition at line 161 of file ClpNode.hpp.
int ClpNode::flags_ [protected] |
Flags - 1 duals scaled.
Definition at line 163 of file ClpNode.hpp.
int ClpNode::maximumFixed_ [protected] |
Maximum number fixed by reduced cost.
Definition at line 165 of file ClpNode.hpp.
int ClpNode::maximumRows_ [protected] |
Maximum rows so far.
Definition at line 167 of file ClpNode.hpp.
int ClpNode::maximumColumns_ [protected] |
Maximum columns so far.
Definition at line 169 of file ClpNode.hpp.
int ClpNode::maximumIntegers_ [protected] |
Maximum Integers so far.
Definition at line 171 of file ClpNode.hpp.