Model::AddCone()
Add a cone constraint to a model, given its dimension.
Synopsis
Cone AddCone(
int dim,
int type,
char *pvtype,
const char *szPrefix)Arguments
dim: dimension of the cone constraint.
type: type of the cone constraint.
pvtype: types of variables in the cone.
szPrefix: name prefix of variables in the cone.Return
object of new cone constraint.
Model::AddCone()
Add a cone constraint to model.
Synopsis
Cone AddCone(const ConeBuilder &builder)Arguments
builder: builder for new cone constraint.Return
new cone constraint object.
Model::AddCone()
Add a cone constraint to model.
Synopsis
Cone AddCone(const VarArray &vars, int type)Arguments
vars: variables that participate in the cone constraint.
type: type of the cone constraint.Return
object of new cone constraint.
Model::AddConstr()
Add a linear constraint to model.
Synopsis
Constraint AddConstr(
const Expr &expr,
char sense,
double rhs,
const char *szName)Arguments
expr: expression for the new contraint.
sense: sense for new linear constraint, other than range sense.
rhs: right hand side value for the new constraint.
szName: optional, name of new constraint.Return
new constraint object.
Model::AddConstr()
Add a linear constraint to model.
Synopsis
Constraint AddConstr(
const Expr &lhs,
char sense,
const Expr &rhs,
const char *szName)Arguments
lhs: left hand side expression for the new constraint.
sense: sense for new linear constraint, other than range sense.
rhs: right hand side expression for the new constraint.
szName: optional, name of new constraint.Return
new constraint object.
Model::AddConstr()
Add a linear constraint to model.
Synopsis
Constraint AddConstr(
const Expr &expr,
double lb,
double ub,
const char *szName)Arguments
expr: expression for the new constraint.
lb: lower bound for the new constraint.
ub: upper bound for the new constraint
szName: optional, name of new constraint.Return
new constraint object.
Model::AddConstr()
Add a linear constraint to a model.
Synopsis
Constraint AddConstr(const ConstrBuilder &builder, const char *szName)Arguments
builder: builder for the new constraint.
szName: optional, name of new constraint.Return
new constraint object.
Model::AddConstrs()
Add linear constraints to model.
Synopsis
ConstrArray AddConstrs(
int count,
char *pSense,
double *pRhs,
const char *szPrefix)Arguments
count: number of constraints added to model.
pSense: sense array for new linear constraints, other than range sense.
pRhs: right hand side values for new variables.
szPrefix: name prefix for new constraints.Return
array of new constraint objects.
Model::AddConstrs()
Add linear constraints to a model.
Synopsis
ConstrArray AddConstrs(
int count,
double *pLower,
double *pUpper,
const char *szPrefix)Arguments
count: number of constraints added to the model.
pLower: lower bounds of new constraints.
pUpper: upper bounds of new constraints.
szPrefix: name prefix for new constraints.Return
array of new constraint objects.
Model::AddConstrs()
Add linear constraints to a model.
Synopsis
ConstrArray AddConstrs(
int count,
double *pLower,
double *pUpper,
const char *szNames,
size_t len)Arguments
count: number of constraints added to the model.
pLower: lower bounds of new constraints.
pUpper: upper bounds of new constraints.
szNames: name buffer of new constraints.
len: length of the name buffer.Return
array of new constraint objects.
Model::AddConstrs()
Add linear constraints to a model.
Synopsis
ConstrArray AddConstrs(const ConstrBuilderArray &builders, const char *szPrefix)Arguments
builders: builders for new constraints.
szPrefix: name prefix for new constraints.Return
array of new constraint objects.
Model::AddConstrs()
Add linear constraints to model.
Synopsis
ConstrArray AddConstrs(
const ConstrBuilderArray &builders,
const char *szNames,
size_t len)Arguments
builders: builders for new constraints.
szNames: name buffer of new constraints.
len: length of the name buffer.Return
array of new constraint objects.
Model::AddDenseMat()
Add a dense symmetric matrix to a model.
Synopsis
SymMatrix AddDenseMat(
int dim,
double *pVals,
int len)Arguments
dim: dimension of the dense symmetric matrix.
pVals: array of non-zero elements, filled in column-wise up to len or max length of symmetric matrix.
len: length of value array.Return
new symmetric matrix object.
Model::AddDenseMat()
Add a dense symmetric matrix to a model.
Synopsis
SymMatrix AddDenseMat(int dim, double val)Arguments
dim: dimension of dense symmetric matrix.
val: value to fill dense symmetric matrix.Return
new symmetric matrix object.
Model::AddDiagMat()
Add a diagonal matrix to a model.
Synopsis
SymMatrix AddDiagMat(int dim, double val)Arguments
dim: dimension of diagonal matrix.
val: value to fill diagonal elements.Return
new diagonal matrix object.
Model::AddDiagMat()
Add a diagonal matrix to a model.
Synopsis
SymMatrix AddDiagMat(
int dim,
double *pVals,
int len)Arguments
dim: dimension of diagonal matrix.
pVals: array of values of diagonal elements.
len: length of value array.Return
new diagonal matrix object.
Model::AddDiagMat()
Add a diagonal matrix to a model.
Synopsis
SymMatrix AddDiagMat(
int dim,
double val,
int offset)Arguments
dim: dimension of diagonal matrix.
val: value to fill diagonal elements.
offset: shift distance against diagonal line.Return
new diagonal matrix object.
Model::AddDiagMat()
Add a diagonal matrix to a model.
Synopsis
SymMatrix AddDiagMat(
int dim,
double *pVals,
int len,
int offset)Arguments
dim: dimension of diagonal matrix.
pVals: array of values of diagonal elements.
len: length of value array.
offset: shift distance against diagonal line.Return
new diagonal matrix object.
Model::AddExpCone()
Add an exponential cone constraint to a model.
Synopsis
ExpCone AddExpCone(
int type,
char *pvtype,
const char *szPrefix)Arguments
type: type of the exponential cone constraint.
pvtype: types of variables in the exponential cone.
szPrefix: name prefix of variables in the exponential cone.Return
object of new exponential cone constraint.
Model::AddExpCone()
Add an exponential cone constraint to model.
Synopsis
ExpCone AddExpCone(const ExpConeBuilder &builder)Arguments
builder: builder for new exponential cone constraint.Return
new exponential cone constraint object.
Model::AddExpCone()
Add an exponential cone constraint to model.
Synopsis
ExpCone AddExpCone(const VarArray &vars, int type)Arguments
vars: variables that participate in the exponential cone constraint.
type: type of the exponential cone constraint.Return
object of new exponential cone constraint.
Model::AddEyeMat()
Add an identity matrix to a model.
Synopsis
SymMatrix AddEyeMat(int dim)Arguments
dim: dimension of identity matrix.Return
new identity matrix object.
Model::AddGenConstrIndicator()
Add a general constraint of type indicator to model.
Synopsis
GenConstr AddGenConstrIndicator(const GenConstrBuilder &builder, const char *szName)Arguments
builder: builder for the general constraint.
szName: optional, name of new general constraint.Return
new general constraint object of type indicator.
Model::AddGenConstrIndicator()
Add a general constraint of type indicator to model.
Synopsis
GenConstr AddGenConstrIndicator(
Var binVar,
int binVal,
const ConstrBuilder &constr,
int type,
const char *szName)Arguments
binVar: binary indicator variable.
binVal: value for binary indicator variable that force a linear constraint to be satisfied(0 or 1).
constr: builder for linear constraint.
type: type of general constraint with default value of COPT_INDICATOR_IF.
szName: optional, name of new general constraint.Return
new general constraint object of type indicator.
Model::AddGenConstrIndicator()
Add a general constraint of type indicator to model.
Synopsis
GenConstr AddGenConstrIndicator(
Var binVar,
int binVal,
const Expr &expr,
char sense,
double rhs,
int type,
const char *szName)Arguments
binVar: binary indicator variable.
binVal: value for binary indicator variable that force a linear constraint to be satisfied(0 or 1).
expr: expression for new linear contraint.
sense: sense for new linear constraint.
rhs: right hand side value for new linear constraint.
type: type of general constraint with default value of COPT_INDICATOR_IF.
szName: optional, name of new general constraint.Return
new general constraint object of type indicator.
Model::AddGenConstrIndicators()
Add a list of general constraints to model.
Synopsis
GenConstrArray AddGenConstrIndicators(const GenConstrBuilderArray &builders, const char *szPrefix)Arguments
builders: builders for new general constraints.
szPrefix: name prefix for new general constraints.Return
array of new general constraint objects.
Model::AddGenConstrIndicators()
Add a list of general constraints to model.
Synopsis
GenConstrArray AddGenConstrIndicators(
const GenConstrBuilderArray &builders,
const char *szNames,
size_t len)Arguments
builders: builders for new general constraints.
szNames: name buffer of new general constraints.
len: length of the name buffer.Return
array of new general constraint objects.
Model::AddLazyConstr()
Add a lazy constraint to model.
Synopsis
void AddLazyConstr(
const Expr &lhs,
char sense,
double rhs,
const char *szName)Arguments
lhs: expression for lazy contraint.
sense: sense for lazy constraint.
rhs: right hand side value for lazy constraint.
szName: optional, name of lazy constraint.
Model::AddLazyConstr()
Add a lazy constraint to model.
Synopsis
void AddLazyConstr(
const Expr &lhs,
char sense,
const Expr &rhs,
const char *szName)Arguments
lhs: left hand side expression for lazy contraint.
sense: sense for lazy constraint.
rhs: right hand side expression for lazy contraint.
szName: optional, name of lazy constraint.
Model::AddLazyConstr()
Add a lazy constraint to model.
Synopsis
void AddLazyConstr(const ConstrBuilder &builder, const char *szName)Arguments
builder: builder for lazy contraint.
szName: optional, name of lazy constraint.
Model::AddLazyConstrs()
Add lazy constraints to model.
Synopsis
void AddLazyConstrs(const ConstrBuilderArray &builders, const char *szPrefix)Arguments
builders: array of builders for lazy contraints.
szPrefix: name prefix of new lazy constraints.
Model::AddLmiConstr()
Add an LMI constraint to model.
Synopsis
LmiConstraint AddLmiConstr(const LmiExpr &expr, const char *szName)Arguments
expr: LMI expression for new LMI contraint.
szName: optional, name of new LMI constraint.Return
new LMI constraint object.
Model::AddMConstr()
Add a MConstr object in N-dimensions to model.
Synopsis
template <int N> MConstr<N> AddMConstr(const MConstrBuilder<N> &builder, const char *szPrefix)Arguments
builder: builder for MConstr object.
szPrefix: name prefix for constraints in MConstr object.Return
new MConstr object.
Model::AddMQConstr()
Add a MQConstr object in N-dimensions to model.
Synopsis
template <int N> MQConstr<N> AddMQConstr(const MQConstrBuilder<N> &builder, const char *szPrefix)Arguments
builder: builder for MQConstr object.
szPrefix: name prefix of quadratic constraints in MQConstr object.Return
new MQConstr object.
Model::AddMVar()
Add a MVar object in N-dimensions to model.
Synopsis
template <int N> MVar<N> AddMVar(
const Shape<N> &shp,
char vtype,
const char *szPrefix)Arguments
shp: shape of MVar object.
vtype: type of variables in MVar object.
szPrefix: name prefix of variables in MVar object.Return
new MVar object.
Model::AddMVar()
Add a MVar object in N-dimensions to model.
Synopsis
MVar<N> AddMVar(
const Shape<N> &shp,
double lb,
double ub,
double obj,
char vtype,
const char *szPrefix)Arguments
shp: shape of MVar object.
lb: lower bound for variables in MVar object.
ub: upper bound for variables in MVar object.
obj: objective coefficient for variables in MVar object.
vtype: type of variables in MVar object.
szPrefix: name prefix of variables in MVar object.Return
new MVar object.
Model::AddMVar()
Add a MVar object in N-dimensions to model.
Synopsis
MVar<N> AddMVar(
const Shape<N> &shp,
double *plb,
double *pub,
double *pobj,
char *pvtype,
const char *szPrefix)Arguments
shp: shape of MVar object.
plb: lower bounds for variables in MVar object. If NULL, lower bounds are 0.0.
pub: upper bounds for variables in Mar object. If NULL, upper bounds are infinity or 1 for binary variables.
pobj: objective coefficient for variables in MVar object. If NULL, objective coefficients are 0.0.
pvtype: type of variables in MVar object. If NULL, variable types are continuous.
szPrefix: name prefix of variables in MVar object.Return
new MVar object.
Model::AddOnesMat()
Add a dense symmetric matrix of value one to a model.
Synopsis
SymMatrix AddOnesMat(int dim)Arguments
dim: dimension of dense symmetric matrix.Return
new symmetric matrix object.
Model::AddPsdConstr()
Add a PSD constraint to model.
Synopsis
PsdConstraint AddPsdConstr(
const PsdExpr &expr,
char sense,
double rhs,
const char *szName)Arguments
expr: PSD expression for new PSD contraint.
sense: sense for new PSD constraint.
rhs: double value at right side of the new PSD constraint.
szName: optional, name of new PSD constraint.Return
new PSD constraint object.
Model::AddPsdConstr()
Add a PSD constraint to model.
Synopsis
PsdConstraint AddPsdConstr(
const PsdExpr &expr,
double lb,
double ub,
const char *szName)Arguments
expr: expression for new PSD constraint.
lb: lower bound for ew PSD constraint.
ub: upper bound for new PSD constraint
szName: optional, name of new PSD constraint.Return
new PSD constraint object.
Model::AddPsdConstr()
Add a PSD constraint to model.
Synopsis
PsdConstraint AddPsdConstr(
const PsdExpr &lhs,
char sense,
const PsdExpr &rhs,
const char *szName)Arguments
lhs: PSD expression at left side of new PSD constraint.
sense: sense for new PSD constraint.
rhs: PSD expression at right side of new PSD constraint.
szName: optional, name of new PSD constraint.Return
new PSD constraint object.
Model::AddPsdConstr()
Add a PSD constraint to a model.
Synopsis
PsdConstraint AddPsdConstr(const PsdConstrBuilder &builder, const char *szName)Arguments
builder: builder for new PSD constraint.
szName: optional, name of new PSD constraint.Return
new PSD constraint object.
Model::AddPsdVar()
Add a new PSD variable to model.
Synopsis
PsdVar AddPsdVar(int dim, const char *szName)Arguments
dim: dimension of new PSD variable.
szName: name of new PSD variable.Return
PSD variable object.
Model::AddPsdVars()
Add new PSD variables to model.
Synopsis
PsdVarArray AddPsdVars(
int count,
int *pDim,
const char *szPrefix)Arguments
count: number of new PSD variables.
pDim: array of dimensions of new PSD variables.
szPrefix: name prefix of new PSD variables.Return
array of PSD variable objects.
Model::AddPsdVars()
Add new PSD variables to model.
Synopsis
PsdVarArray AddPsdVars(
int count,
int *pDim,
const char *szNames,
size_t len)Arguments
count: number of new PSD variables.
pDim: array of dimensions of new PSD variables.
szNames: name buffer of new PSD variables.
len: length of the name buffer.Return
array of PSD variable objects.
Model::AddQConstr()
Add a quadratic constraint to model.
Synopsis
QConstraint AddQConstr(
const QuadExpr &expr,
char sense,
double rhs,
const char *szName)Arguments
expr: quadratic expression for the new contraint.
sense: sense for new quadratic constraint.
rhs: double value at right side of the new quadratic constraint.
szName: optional, name of new quadratic constraint.Return
new quadratic constraint object.
Model::AddQConstr()
Add a quadratic constraint to model.
Synopsis
QConstraint AddQConstr(
const QuadExpr &lhs,
char sense,
const QuadExpr &rhs,
const char *szName)Arguments
lhs: quadratic expression at left side of the new quadratic constraint.
sense: sense for new quadratic constraint.
rhs: quadratic expression at right side of the new quadratic constraint.
szName: optional, name of new quadratic constraint.Return
new quadratic constraint object.
Model::AddQConstr()
Add a quadratic constraint to a model.
Synopsis
QConstraint AddQConstr(const QConstrBuilder &builder, const char *szName)Arguments
builder: builder for the new quadratic constraint.
szName: optional, name of new quadratic constraint.Return
new quadratic constraint object.
Model::AddSos()
Add a SOS constraint to model.
Synopsis
Sos AddSos(const SosBuilder &builder)Arguments
builder: builder for new SOS constraint.Return
new SOS constraint object.
Model::AddSos()
Add a SOS constraint to model.
Synopsis
Sos AddSos(
const VarArray &vars,
const double *pWeights,
int type)Arguments
vars: variables that participate in the SOS constraint.
pWeights: optional, weights for variables in the SOS constraint.
type: type of SOS constraint.Return
new SOS constraint object.
Model::AddSparseMat()
Add a sparse symmetric matrix to a model.
Synopsis
SymMatrix AddSparseMat(
int dim,
int nElems,
int *pRows,
int *pCols,
double *pVals)Arguments
dim: dimension of the sparse symmetric matrix.
nElems: number of non-zero elements in the sparse symmetric matrix.
pRows: array of row indexes of non-zero elements.
pCols: array of col indexes of non-zero elements.
pVals: array of values of non-zero elements.Return
new symmetric matrix object.
Model::AddSymMat()
Given a symmetric matrix expression, add results matrix to model.
Synopsis
SymMatrix AddSymMat(const SymMatExpr &expr)Arguments
expr: symmetric matrix expression object.Return
results symmetric matrix object.
Model::AddUserCut()
Add a user cut to model.
Synopsis
void AddUserCut(
const Expr &lhs,
char sense,
double rhs,
const char *szName)Arguments
lhs: expression for user cut.
sense: sense for user cut.
rhs: right hand side value for user cut.
szName: optional, name of user cut.
Model::AddUserCut()
Add a user cut to model.
Synopsis
void AddUserCut(
const Expr &lhs,
char sense,
const Expr &rhs,
const char *szName)Arguments
lhs: left hand side expression for user cut.
sense: sense for user cut.
rhs: right hand side expression for user cut.
szName: optional, name of user cut.
Model::AddUserCut()
Add a user cut to model.
Synopsis
void AddUserCut(const ConstrBuilder &builder, const char *szName)Arguments
builder: builder for user cut.
szName: optional, name of user cut.
Model::AddUserCuts()
Add user cuts to model.
Synopsis
void AddUserCuts(const ConstrBuilderArray &builders, const char *szPrefix)Arguments
builders: array of builders for user cuts.
szPrefix: name prefix of new user cuts.
Model::AddVar()
Add a variable to model.
Synopsis
Var AddVar(
double lb,
double ub,
double obj,
char vtype,
const char *szName)Arguments
lb: lower bound for new variable.
ub: upper bound for new variable.
obj: objective coefficient for new variable.
vtype: variable type for new variable.
szName: optional, name for new variable.Return
new variable object.
Model::AddVar()
Add a variable and the associated non-zero coefficients as column.
Synopsis
Var AddVar(
double lb,
double ub,
double obj,
char vtype,
const Column &col,
const char *szName)Arguments
lb: lower bound for new variable.
ub: upper bound for new variable.
obj: objective coefficient for new variable.
vtype: variable type for new variable.
col: column object for specifying a set of constraints to which the variable belongs.
szName: optional, name for new variable.Return
new variable object.
Model::AddVars()
Add new variables to model.
Synopsis
VarArray AddVars(
int count,
char vtype,
const char *szPrefix)Arguments
count: the number of variables to add.
vtype: variable types for new variables.
szPrefix: prefix part for names of new variables.Return
array of new variable objects.
Model::AddVars()
Add new variables to model.
Synopsis
VarArray AddVars(
int count,
char vtype,
const char *szNames,
size_t len)Arguments
count: the number of variables to add.
vtype: variable types for new variables.
szNames: name buffer for new variables.
len: length of name buffer.Return
array of new variable objects.
Model::AddVars()
Add new variables to model.
Synopsis
VarArray AddVars(
int count,
double lb,
double ub,
double obj,
char vtype,
const char *szPrefix)Arguments
count: the number of variables to add.
lb: lower bound for new variable.
ub: upper bound for new variable.
obj: objective coefficient for new variable.
vtype: variable types for new variables.
szPrefix: prefix part for names of new variables.Return
array of new variable objects.
Model::AddVars()
Add new variables to model.
Synopsis
VarArray AddVars(
int count,
double lb,
double ub,
double obj,
char vtype,
const char *szNames,
size_t len)Arguments
count: the number of variables to add.
lb: lower bound for new variable.
ub: upper bound for new variable.
obj: objective coefficient for new variable.
vtype: variable types for new variables.
szNames: name buffer for new variables.
len: length of name buffer.Return
array of new variable objects.
Model::AddVars()
Add new variables to model.
Synopsis
VarArray AddVars(
int count,
double *plb,
double *pub,
double *pobj,
char *pvtype,
const char *szPrefix)Arguments
count: the number of variables to add.
plb: lower bounds for new variables. if NULL, lower bounds are 0.0.
pub: upper bounds for new variables. if NULL, upper bounds are infinity or 1 for binary variables.
pobj: objective coefficients for new variables. if NULL, objective coefficients are 0.0.
pvtype: variable types for new variables. if NULL, variable types are continuous.
szPrefix: prefix part for names of new variables.Return
array of new variable objects.
Model::AddVars()
Add new decision variables to a model.
Synopsis
VarArray AddVars(
int count,
double *plb,
double *pub,
double *pobj,
char *pvtype,
const char *szNames,
size_t len)Arguments
count: the number of variables to add.
plb: lower bounds for new variables. if NULL, lower bounds are 0.0.
pub: upper bounds for new variables. if NULL, upper bounds are infinity or 1 for binary variables.
pobj: objective coefficients for new variables. if NULL, objective coefficients are 0.0.
pvtype: variable types for new variables. if NULL, variable types are continuous.
szNames: name buffer for new variables.
len: length of name buffer.Return
array of new variable objects.
Model::AddVars()
Add new variables to model.
Synopsis
VarArray AddVars(
int count,
double *plb,
double *pub,
double *pobj,
char *pvtype,
const ColumnArray &cols,
const char *szPrefix)Arguments
count: the number of variables to add.
plb: lower bounds for new variables. if NULL, lower bounds are 0.0.
pub: upper bounds for new variables. if NULL, upper bounds are infinity or 1 for binary variables.
pobj: objective coefficients for new variables. if NULL, objective coefficients are 0.0.
pvtype: variable types for new variables. if NULL, variable types are continuous.
cols: column objects for specifying a set of constraints to which each new variable belongs.
szPrefix: prefix part for names of new variables.Return
array of new variable objects.
Model::Clear()
Clear all settings including problem itself.
Synopsis
void Clear()
Model::Clone()
Deep copy COPT model.
Synopsis
Model Clone()Return
cloned model object.
Model::ComputeIIS()
Compute IIS for infeasible model.
Synopsis
void ComputeIIS()
Model::DelPsdObj()
delete PSD part of objective in model.
Synopsis
void DelPsdObj()
Model::DelQuadObj()
delete quadratic part of objective in model.
Synopsis
void DelQuadObj()
Model::FeasRelax()
Compute feasibility relaxation for infeasible model.
Synopsis
void FeasRelax(
VarArray &vars,
double *pColLowPen,
double *pColUppPen,
ConstrArray &cons,
double *pRowBndPen,
double *pRowUppPen)Arguments
vars: an array of variables.
pColLowPen: penalties for lower bounds of variables.
pColUppPen: penalties for upper bounds of variables.
cons: an array of constraints.
pRowBndPen: penalties for right hand sides of constraints.
pRowUppPen: penalties for upper bounds of range constraints.
Model::FeasRelax()
Compute feasibility relaxation for infeasible model.
Synopsis
void FeasRelax(int ifRelaxVars, int ifRelaxCons)Arguments
ifRelaxVars: whether to relax variables.
ifRelaxCons: whether to relax constraints.
Model::Get()
Query values of information associated with variables.
Synopsis
int Get(
const char *szName,
const VarArray &vars,
double *pOut)Arguments
szName: name of information.
vars: a list of desired variables.
pOut: output array of information values.Return
the number of valid variables. If failed, return -1.
Model::Get()
Query values of information associated with constraints.
Synopsis
int Get(
const char *szName,
const ConstrArray &constrs,
double *pOut)Arguments
szName: name of information.
constrs: a list of desired constraints.
pOut: output array of information values.Return
the number of valid constraints. If failed, return -1.
Model::Get()
Query values of information associated with quadratic constraints.
Synopsis
int Get(
const char *szName,
const QConstrArray &constrs,
double *pOut)Arguments
szName: name of information.
constrs: a list of desired quadratic constraints.
pOut: output array of information values.Return
the number of valid quadratic constraints. If failed, return -1.
Model::Get()
Query values of information associated with PSD constraints.
Synopsis
int Get(
const char *szName,
const PsdConstrArray &constrs,
double *pOut)Arguments
szName: name of information.
constrs: a list of desired PSD constraints.
pOut: output array of information values.Return
the number of valid PSD constraints. If failed, return -1.
Model::GetCoeff()
Get the coefficient of variable in a linear constraint.
Synopsis
double GetCoeff(const Constraint &constr, const Var &var)Arguments
constr: The requested constraint.
var: The requested variable.Return
The requested coefficient.
Model::GetCol()
Get a column object that have a list of constraints in which the variable participates.
Synopsis
Column GetCol(const Var &var)Arguments
var: a variable object.Return
a column object associated with a variable.
Model::GetColBasis()
Get status of column basis.
Synopsis
int GetColBasis(int *pBasis)Arguments
pBasis: integer pointer to basis status.Return
number of columns.
Model::GetCone()
Get a cone constraint of given index in model.
Synopsis
Cone GetCone(int idx)Arguments
idx: index of the desired cone constraint.Return
the desired cone constraint object.
Model::GetConeBuilders()
Get builders of all cone constraints in model.
Synopsis
ConeBuilderArray GetConeBuilders()Return
array object of all cone constraint builders.
Model::GetConeBuilders()
Get builders of given cone constraints in model.
Synopsis
ConeBuilderArray GetConeBuilders(const ConeArray &cones)Arguments
cones: array of cone constraints.Return
array object of desired cone constraint builders.
Model::GetCones()
Get all cone constraints in model.
Synopsis
ConeArray GetCones()Return
array object of cone constraints.
Model::GetConstr()
Get a constraint of given index in model.
Synopsis
Constraint GetConstr(int idx)Arguments
idx: index of the desired constraint.Return
the desired constraint object.
Model::GetConstrBuilder()
Get builder of a constraint in model, including variables and associated coefficients, sense and RHS.
Synopsis
ConstrBuilder GetConstrBuilder(Constraint constr)Arguments
constr: a constraint object.Return
constraint builder object.
Model::GetConstrBuilders()
Get builders of all constraints in model.
Synopsis
ConstrBuilderArray GetConstrBuilders()Return
array object of constraint builders.
Model::GetConstrByName()
Get a constraint of given name in model.
Synopsis
Constraint GetConstrByName(const char *szName)Arguments
szName: name of the desired constraint.Return
the desired constraint object.
Model::GetConstrLowerIIS()
Get IIS status of lower bounds of constraints.
Synopsis
int GetConstrLowerIIS(const ConstrArray &constrs, int *pLowerIIS)Arguments
constrs: Array of constraints.
pLowerIIS: IIS status of lower bounds of constraints.Return
Number of constraints.
Model::GetConstrs()
Get all constraints in model.
Synopsis
ConstrArray GetConstrs()Return
array object of constraints.
Model::GetConstrUpperIIS()
Get IIS status of upper bounds of constraints.
Synopsis
int GetConstrUpperIIS(const ConstrArray &constrs, int *pUpperIIS)Arguments
constrs: Array of constraints.
pUpperIIS: IIS status of upper bounds of constraints.Return
Number of constraints.
Model::GetDblAttr()
Get value of a COPT double attribute.
Synopsis
double GetDblAttr(const char *szAttr)Arguments
szAttr: name of double attribute.Return
value of double attribute.
Model::GetDblParam()
Get value of a COPT double parameter.
Synopsis
double GetDblParam(const char *szParam)Arguments
szParam: name of integer parameter.Return
value of double parameter.
Model::GetExpCone()
Get an exponential cone constraint of given index in model.
Synopsis
ExpCone GetExpCone(int idx)Arguments
idx: index of the desired exponential cone constraint.Return
the desired exponential cone constraint object.
Model::GetExpConeBuilders()
Get builders of all exponential cone constraints in model.
Synopsis
ExpConeBuilderArray GetExpConeBuilders()Return
array object of all exponential cone constraint builders.
Model::GetExpConeBuilders()
Get builders of given exponential cone constraints in model.
Synopsis
ExpConeBuilderArray GetExpConeBuilders(const ExpConeArray &cones)Arguments
cones: array of exponential cone constraints.Return
array object of desired exponential cone constraint builders.
Model::GetExpCones()
Get all exponential cone constraints in model.
Synopsis
ExpConeArray GetExpCones()Return
array object of exponential cone constraints.
Model::GetGenConstr()
Get a general constraint of given index in model.
Synopsis
GenConstr GetGenConstr(int idx)Arguments
idx: index of the desired general constraint.Return
the desired general constraint object.
Model::GetGenConstrByName()
Get a general constraint of given name in model.
Synopsis
GenConstr GetGenConstrByName(const char *szName)Arguments
szName: name of the desired general constraint.Return
the desired general constraint object.
Model::GetGenConstrIndicator()
Get builder of given general constraint of type indicator.
Synopsis
GenConstrBuilder GetGenConstrIndicator(const GenConstr &indicator)Arguments
indicator: a general constraint of type indicator.Return
builder object of general constraint of type indicator.
Model::GetGenConstrIndicators()
Get builders of all general constraints in model.
Synopsis
GenConstrBuilderArray GetGenConstrIndicators()Return
array object of general constraint builders.
Model::GetGenConstrs()
Get all general constraints in model.
Synopsis
GenConstrArray GetGenConstrs()Return
array object of general constraints.
Model::GetIndicatorIIS()
Get IIS status of indicator constraints.
Synopsis
int GetIndicatorIIS(const GenConstrArray &genconstrs, int *pIIS)Arguments
genconstrs: Array of indicator constraints.
pIIS: IIS status of indicator constraints.Return
Number of indicator constraints.
Model::GetIntAttr()
Get value of a COPT integer attribute.
Synopsis
int GetIntAttr(const char *szAttr)Arguments
szAttr: name of integer attribute.Return
value of integer attribute.
Model::GetIntParam()
Get value of a COPT integer parameter.
Synopsis
int GetIntParam(const char *szParam)Arguments
szParam: name of integer parameter.Return
value of integer parameter.
Model::GetLmiCoeff()
Get the symmetric matrix of variable in LMI constraint.
Synopsis
SymMatrix GetLmiCoeff(const LmiConstraint &constr, const Var &var)Arguments
constr: The desired LMI constraint.
var: The desired variable.Return
The associated coefficient matrix.
Model::GetLmiConstr()
Get LMI constraint of given index in model.
Synopsis
LmiConstraint GetLmiConstr(int idx)Arguments
idx: index of desired LMI constraint.Return
LMI constraint object.
Model::GetLmiConstrByName()
Get LMI constraint of given name in model.
Synopsis
LmiConstraint GetLmiConstrByName(const char *szName)Arguments
szName: name of desired LMI constraint.Return
LMI constraint object.
Model::GetLmiConstrs()
Get all LMI constraints in model.
Synopsis
LmiConstrArray GetLmiConstrs()Return
array object of LMI constraints.
Model::GetLmiRhs()
Get the symmetric matrix of constant of LMI constraint.
Synopsis
SymMatrix GetLmiRhs(const LmiConstraint &constr)Arguments
constr: The desired LMI constraint.Return
matrix of constant term.
Model::GetLmiRow()
Get variables and associated symmetric matrices that participate in a LMI constraint.
Synopsis
LmiExpr GetLmiRow(const LmiConstraint &constr)Arguments
constr: given LMI constraint object.Return
pointer to LMI expression object of LMI constraint.
Model::GetLpSolution()
Get LP solution.
Synopsis
void GetLpSolution(
double *pValue,
double *pSlack,
double *pRowDual,
double *pRedCost)Arguments
pValue: optional, double pointer to solution values.
pSlack: optional, double poitner to slack values.
pRowDual: optional, double pointer to dual values.
pRedCost: optional, double pointer to reduced costs.
Model::GetObjective()
Get linear expression of objective for model.
Synopsis
Expr GetObjective()Return
a linear expression object.
Model::GetParamAttrType()
Get type of a COPT parameter or attribute.
Synopsis
int GetParamAttrType(const char *szName)Arguments
szName: name of parameter or attribute.Return
type of parameter or attribute.
Model::GetParamInfo()
Get current, default, minimum, maximum of COPT integer parameter.
Synopsis
void GetParamInfo(
const char *szParam,
int *pnCur,
int *pnDef,
int *pnMin,
int *pnMax)Arguments
szParam: name of integer parameter.
pnCur: out, current value of integer parameter.
pnDef: out, default value of integer parameter.
pnMin: out, minimum value of integer parameter.
pnMax: out, maximum value of integer parameter.
Model::GetParamInfo()
Get current, default, minimum, maximum of COPT double parameter.
Synopsis
void GetParamInfo(
const char *szParam,
double *pdCur,
double *pdDef,
double *pdMin,
double *pdMax)Arguments
szParam: name of double parameter.
pdCur: out, current value of double parameter.
pdDef: out, default value of double parameter.
pdMin: out, minimum value of double parameter.
pdMax: out, maximum value of double parameter.
Model::GetPoolObjVal()
Get the iSol-th objective value in solution pool.
Synopsis
double GetPoolObjVal(int iSol)Arguments
iSol: Index of solution.Return
The requested objective value.
Model::GetPoolSolution()
Get the iSol-th solution in solution pool.
Synopsis
int GetPoolSolution(
int iSol,
const VarArray &vars,
double *pColVals)Arguments
iSol: Index of solution.
vars: The requested variables.
pColVals: Pointer to the requested solutions.Return
The length of requested solution array.
Model::GetPsdCoeff()
Get the symmetric matrix of PSD variable in a PSD constraint.
Synopsis
SymMatrix GetPsdCoeff(const PsdConstraint &constr, const PsdVar &var)Arguments
constr: The desired PSD constraint.
var: The desired PSD variable.Return
The associated coefficient matrix.
Model::GetPsdConstr()
Get PSD constraint of given index in model.
Synopsis
PsdConstraint GetPsdConstr(int idx)Arguments
idx: index of desired PSD constraint.Return
PSD constraint object.
Model::GetPsdConstrBuilder()
Get builder of a PSD constraint in model, including PSD variables, sense and associated symmtric matrix.
Synopsis
PsdConstrBuilder GetPsdConstrBuilder(const PsdConstraint &constr)Arguments
constr: PSD constraint object.Return
pointer to PSD constraint builder object.
Model::GetPsdConstrBuilders()
Get builders of all PSD constraints in model.
Synopsis
PsdConstrBuilderArray GetPsdConstrBuilders()Return
pointer to array object of PSD constraint builders.
Model::GetPsdConstrByName()
Get PSD constraint of given name in model.
Synopsis
PsdConstraint GetPsdConstrByName(const char *szName)Arguments
szName: name of desired PSD constraint.Return
PSD constraint object.
Model::GetPsdConstrs()
Get all PSD constraints in model.
Synopsis
PsdConstrArray GetPsdConstrs()Return
pointer to array object of PSD constraints.
Model::GetPsdObjective()
Get PSD objective of model.
Synopsis
PsdExpr GetPsdObjective()Return
a PSD expression object.
Model::GetPsdRow()
Get PSD variables and associated symmetric matrices that participate in a PSD constraint.
Synopsis
PsdExpr GetPsdRow(const PsdConstraint &constr)Arguments
constr: PSD constraint object.Return
pointer to PSD expression object of the PSD constraint.
Model::GetPsdRow()
Get PSD variables, associated symmetric matrix, LB/UB that participate in a PSD constraint.
Synopsis
PsdExpr GetPsdRow(
const PsdConstraint &constr,
double *pLower,
double *pUpper)Arguments
constr: a PSD constraint object.
pLower: pointer to double value of lower bound.
pUpper: pointer to double value of upper bound.Return
pointer to PSD expression object of the PSD constraint.
Model::GetPsdVar()
Get a PSD variable of given index in model.
Synopsis
PsdVar GetPsdVar(int idx)Arguments
idx: index of the desired PSD variable.Return
the desired PSD variable object.
Model::GetPsdVarByName()
Get a PSD variable of given name in model.
Synopsis
PsdVar GetPsdVarByName(const char *szName)Arguments
szName: name of the desired PSD variable.Return
the desired PSD variable object.
Model::GetPsdVars()
Get all PSD variables in model.
Synopsis
PsdVarArray GetPsdVars()Return
array object of PSD variables.
Model::GetQConstr()
Get a quadratic constraint of given index in model.
Synopsis
QConstraint GetQConstr(int idx)Arguments
idx: index of the desired quadratic constraint.Return
the desired quadratic constraint object.
Model::GetQConstrBuilder()
Get builder of a constraint in model, including variables and associated coefficients, sense and RHS.
Synopsis
QConstrBuilder GetQConstrBuilder(const QConstraint &constr)Arguments
constr: a constraint object.Return
constraint builder object.
Model::GetQConstrBuilders()
Get builders of all constraints in model.
Synopsis
QConstrBuilderArray GetQConstrBuilders()Return
array object of constraint builders.
Model::GetQConstrByName()
Get a quadratic constraint of given name in model.
Synopsis
QConstraint GetQConstrByName(const char *szName)Arguments
szName: name of the desired constraint.Return
the desired quadratic constraint object.
Model::GetQConstrs()
Get all quadratic constraints in model.
Synopsis
QConstrArray GetQConstrs()Return
array object of quadratic constraints.
Model::GetQuadObjective()
Get quadratic objective of model.
Synopsis
QuadExpr GetQuadObjective()Return
a quadratic expression object.
Model::GetQuadRow()
Get two variables and associated coefficients that participate in a quadratic constraint.
Synopsis
QuadExpr GetQuadRow(const QConstraint &constr)Arguments
constr: a quadratic constraint object.Return
quadratic expression object of the constraint.
Model::GetQuadRow()
Get two variables and associated coefficients that participate in a quadratic constraint.
Synopsis
QuadExpr GetQuadRow(
const QConstraint &constr,
char *pSense,
double *pBound)Arguments
constr: a quadratic constraint object.
pSense: sense of quadratic constraint.
pBound: right hand side of quadratic constraint.Return
quadratic expression object of the constraint.
Model::GetRow()
Get variables that participate in a constraint, and the associated coefficients.
Synopsis
Expr GetRow(const Constraint &constr)Arguments
constr: a constraint object.Return
expression object of the constraint.
Model::GetRowBasis()
Get status of row basis.
Synopsis
int GetRowBasis(int *pBasis)Arguments
pBasis: integer pointer to basis status.Return
number of rows.
Model::GetSolution()
Get MIP solution.
Synopsis
void GetSolution(double *pValue)Arguments
pValue: double pointer to solution values.
Model::GetSos()
Get a SOS constraint of given index in model.
Synopsis
Sos GetSos(int idx)Arguments
idx: index of the desired SOS constraint.Return
the desired SOS constraint object.
Model::GetSosBuilders()
Get builders of all SOS constraints in model.
Synopsis
SosBuilderArray GetSosBuilders()Return
array object of SOS constraint builders.
Model::GetSosBuilders()
Get builders of given SOS constraints in model.
Synopsis
SosBuilderArray GetSosBuilders(const SosArray &soss)Arguments
soss: array of SOS constraints.Return
array object of desired SOS constraint builders.
Model::GetSOSIIS()
Get IIS status of SOS constraints.
Synopsis
int GetSOSIIS(const SosArray &soss, int *pIIS)Arguments
soss: Array of SOS constraints.
pIIS: IIS status of SOS constraints.Return
Number of SOS constraints.
Model::GetSoss()
Get all SOS constraints in model.
Synopsis
SosArray GetSoss()Return
array object of SOS constraints.
Model::GetSymMat()
Get a symmetric matrix of given index in model.
Synopsis
SymMatrix GetSymMat(int idx)Arguments
idx: index of the desired symmetric matrix.Return
the desired symmetric matrix object.
Model::GetVar()
Get a variable of given index in model.
Synopsis
Var GetVar(int idx)Arguments
idx: index of the desired variable.Return
the desired variable object.
Model::GetVarByName()
Get a variable of given name in model.
Synopsis
Var GetVarByName(const char *szName)Arguments
szName: name of the desired variable.Return
the desired variable object.
Model::GetVarLowerIIS()
Get IIS status of lower bounds of variables.
Synopsis
int GetVarLowerIIS(const VarArray &vars, int *pLowerIIS)Arguments
vars: Array of variables
pLowerIIS: IIS status of lower bounds of variables.Return
Number of variables.
Model::GetVars()
Get all variables in model.
Synopsis
VarArray GetVars()Return
variable array object.
Model::GetVarUpperIIS()
Get IIS status of upper bounds of variables.
Synopsis
int GetVarUpperIIS(const VarArray &vars, int *pUpperIIS)Arguments
vars: Array of variables
pUpperIIS: IIS status of upper bounds of variables.Return
Number of variables.
Model::Interrupt()
Interrupt optimization of current problem.
Synopsis
void Interrupt()
Model::LoadMipStart()
Load final initial values of variables to the problem.
Synopsis
void LoadMipStart()
Model::LoadTuneParam()
Load specified tuned parameters into model.
Synopsis
void LoadTuneParam(int idx)Arguments
idx: Index of tuned parameters.
Model::Read()
Read problem, solution, basis, MIP start or COPT parameters from file.
Synopsis
void Read(const char *szFileName)Arguments
szFileName: an input file name.
Model::ReadBasis()
Read basis from file.
Synopsis
void ReadBasis(const char *szFileName)Arguments
szFileName: an input file name.
Model::ReadBin()
Read problem in COPT binary format from file.
Synopsis
void ReadBin(const char *szFileName)Arguments
szFileName: an input file name.
Model::ReadCbf()
Read problem in CBF format from file.
Synopsis
void ReadCbf(const char *szFileName)Arguments
szFileName: an input file name.
Model::ReadLp()
Read problem in LP format from file.
Synopsis
void ReadLp(const char *szFileName)Arguments
szFileName: an input file name.
Model::ReadMps()
Read problem in MPS format from file.
Synopsis
void ReadMps(const char *szFileName)Arguments
szFileName: an input file name.
Model::ReadMst()
Read MIP start information from file.
Synopsis
void ReadMst(const char *szFileName)Arguments
szFileName: an input file name.
Model::ReadParam()
Read COPT parameters from file.
Synopsis
void ReadParam(const char *szFileName)Arguments
szFileName: an input file name.
Model::ReadSdpa()
Read problem in SDPA format from file.
Synopsis
void ReadSdpa(const char *szFileName)Arguments
szFileName: an input file name.
Model::ReadSol()
Read solution from file.
Synopsis
void ReadSol(const char *szFileName)Arguments
szFileName: an input file name.
Model::ReadTune()
Read tuning parameters from file.
Synopsis
void ReadTune(const char *szFileName)Arguments
szFileName: an input file name.
Model::Remove()
Remove a list of variables from model.
Synopsis
void Remove(VarArray &vars)Arguments
vars: an array of variables.
Model::Remove()
Remove a list of constraints from model.
Synopsis
void Remove(ConstrArray &constrs)Arguments
constrs: an array of constraints.
Model::Remove()
Remove a list of SOS constraints from model.
Synopsis
void Remove(SosArray &soss)Arguments
soss: an array of SOS constraints.
Model::Remove()
Remove a list of gernal constraints from model.
Synopsis
void Remove(GenConstrArray &genConstrs)Arguments
genConstrs: an array of general constraints.
Model::Remove()
Remove a list of cone constraints from model.
Synopsis
void Remove(ConeArray &cones)Arguments
cones: an array of cone constraints.
Model::Remove()
Remove a list of exponential cone constraints from model.
Synopsis
void Remove(ExpConeArray &cones)Arguments
cones: an array of exponential cone constraints.
Model::Remove()
Remove a list of quadratic constraints from model.
Synopsis
void Remove(QConstrArray &qconstrs)Arguments
qconstrs: an array of quadratic constraints.
Model::Remove()
Remove a list of PSD variables from model.
Synopsis
void Remove(PsdVarArray &vars)Arguments
vars: an array of PSD variables.
Model::Remove()
Remove a list of PSD constraints from model.
Synopsis
void Remove(PsdConstrArray &constrs)Arguments
constrs: an array of PSD constraints.
Model::Remove()
Remove a list of LMI constraints from model.
Synopsis
void Remove(LmiConstrArray &constrs)Arguments
constrs: an array of LMI constraints.
Model::Reset()
Reset solution of problem only.
Synopsis
void Reset()
Model::ResetAll()
Reset solution of problem, and additional information such as MIP start, etc.
Synopsis
void ResetAll()
Model::ResetParam()
Reset parameters to default settings.
Synopsis
void ResetParam()
Model::Set()
Set values of information associated with variables.
Synopsis
void Set(
const char *szName,
const VarArray &vars,
double *pVals,
int len)Arguments
szName: name of double information.
vars: a list of desired variables.
pVals: array of information values.
len: length of value array.
Model::Set()
Set values of information associated with constraints.
Synopsis
void Set(
const char *szName,
const ConstrArray &constrs,
double *pVals,
int len)Arguments
szName: name of double information.
constrs: a list of desired constraints.
pVals: array of information values.
len: length of value array.
Model::Set()
Set values of information associated with PSD constraints.
Synopsis
void Set(
const char *szName,
const PsdConstrArray &constrs,
double *pVals,
int len)Arguments
szName: name of double information.
constrs: a list of desired PSD constraints.
pVals: array of values of information.
len: length of value array.
Model::SetBasis()
Set column and row basis status to model.
Synopsis
void SetBasis(int *pColBasis, int *pRowBasis)Arguments
pColBasis: pointer to status of column basis.
pRowBasis: pointer to status of row basis.
Model::SetCallback()
Set user callback to COPT model.
Synopsis
void SetCallback(ICallback *pcb, int cbctx)Arguments
pcb: pointer to user callback object.
cbctx: COPT callback context, see definition in copt.h
Model::SetCoeff()
Set the coefficient of a variable in a linear constraint.
Synopsis
void SetCoeff(
const Constraint &constr,
const Var &var,
double newVal)Arguments
constr: The requested constraint.
var: The requested variable.
newVal: New coefficient.
Model::SetCoeffs()
Set a list of coefficients in the model.
Synopsis
void SetCoeffs(
const ConstrArray &constrs,
const VarArray &vars,
double *vals,
int len)Arguments
constrs: A list of constraints for coefficients to be set.
vars: A list of vars for coefficients to be set.
vals: New values for coefficients.
len: Length of values.
Model::SetDblParam()
Set value of a COPT double parameter.
Synopsis
void SetDblParam(const char *szParam, double dVal)Arguments
szParam: name of integer parameter.
dVal: double value.
Model::SetIntParam()
Set value of a COPT integer parameter.
Synopsis
void SetIntParam(const char *szParam, int nVal)Arguments
szParam: name of integer parameter.
nVal: integer value.
Model::SetLmiCoeff()
Set the coefficient matrix of a variable in LMI constraint.
Synopsis
void SetLmiCoeff(
const LmiConstraint &constr,
const Var &var,
const SymMatrix &mat)Arguments
constr: The desired LMI constraint.
var: The desired variable.
mat: new coefficient matrix.
Model::SetLmiRhs()
Set constant matrix of LMI constraint.
Synopsis
void SetLmiRhs(const LmiConstraint &constr, const SymMatrix &mat)Arguments
constr: The desired LMI constraint.
mat: new constant matrix.
Model::SetLpSolution()
Set LP solution.
Synopsis
void SetLpSolution(
double *pValue,
double *pSlack,
double *pRowDual,
double *pRedCost)Arguments
pValue: double pointer to solution values.
pSlack: double poitner to slack values.
pRowDual: double pointer to dual values.
pRedCost: double pointer to reduced costs.
Model::SetMipStart()
Set initial values for variables of given number, starting from the first one.
Synopsis
void SetMipStart(int count, double *pVals)Arguments
count: the number of variables to set.
pVals: pointer to initial values of variables.
Model::SetMipStart()
Set initial value for the specified variable.
Synopsis
void SetMipStart(const Var &var, double val)Arguments
var: an interested variable.
val: initial value of the variable.
Model::SetMipStart()
Set initial values for an array of variables.
Synopsis
void SetMipStart(const VarArray &vars, double *pVals)Arguments
vars: a list of interested variables.
pVals: pointer to initial values of variables.
Model::SetNames()
Set names for given variables in model.
Synopsis
void SetNames(
const VarArray &vars,
const char *szNames,
size_t len)Arguments
vars: array object of variables.
szNames: name buffer for variables.
len: length of name buffer.
Model::SetNames()
Set names for given constraints in model.
Synopsis
void SetNames(
const ConstrArray &cons,
const char *szNames,
size_t len)Arguments
cons: array object of constraints.
szNames: name buffer for constraints.
len: length of name buffer.
Model::SetNames()
Set names for given gernal constraints in model.
Synopsis
void SetNames(
const GenConstrArray &genConstrs,
const char *szNames,
size_t len)Arguments
genConstrs: array object of genernal constrains.
szNames: name buffer for general constraints.
len: length of name buffer.
Model::SetNames()
Set names for given quadratic constraints in model.
Synopsis
void SetNames(
const QConstrArray &cons,
const char *szNames,
size_t len)Arguments
cons: array object of quadratic constraints.
szNames: name buffer for quadratic constraints.
len: length of name buffer.
Model::SetNames()
Set names for given PSD variables in model.
Synopsis
void SetNames(
const PsdVarArray &vars,
const char *szNames,
size_t len)Arguments
vars: array object of PSD variables.
szNames: name buffer for PSD variables.
len: length of name buffer.
Model::SetNames()
Set names for given PSD constraints in model.
Synopsis
void SetNames(
const PsdConstrArray &cons,
const char *szNames,
size_t len)Arguments
cons: array object of PSD constraints.
szNames: name buffer for PSD constraints.
len: length of name buffer.
Model::SetNames()
Set names for given LMI constraints in model.
Synopsis
void SetNames(
const LmiConstrArray &cons,
const char *szNames,
size_t len)Arguments
cons: array object of LMI constraints.
szNames: name buffer for LMI constraints.
len: length of name buffer.
Model::SetObjConst()
Set objective constant.
Synopsis
void SetObjConst(double constant)Arguments
constant: constant value to set.
Model::SetObjective()
Set objective for model.
Synopsis
void SetObjective(const Expr &expr, int sense)Arguments
expr: expression of the objective.
sense: optimization sense. optional, default value 0 does not change COPT sense.
Model::SetObjSense()
Set objective sense for model.
Synopsis
void SetObjSense(int sense)Arguments
sense: the objective sense.
Model::SetPsdCoeff()
Set the coefficient matrix of a PSD variable in a PSD constraint.
Synopsis
void SetPsdCoeff(
const PsdConstraint &constr,
const PsdVar &var,
const SymMatrix &mat)Arguments
constr: The desired PSD constraint.
var: The desired PSD variable.
mat: new coefficient matrix.
Model::SetPsdObjective()
Set PSD objective for model.
Synopsis
void SetPsdObjective(const PsdExpr &expr, int sense)Arguments
expr: PSD expression of the objective.
sense: optimization sense. optional, default value 0 does not change COPT sense.
Model::SetQuadObjective()
Set quadratic objective for model.
Synopsis
void SetQuadObjective(const QuadExpr &expr, int sense)Arguments
expr: quadratic expression of the objective.
sense: optimization sense. optional, default value 0 does not change COPT sense.
Model::SetSlackBasis()
Set slack basis to model.
Synopsis
void SetSlackBasis()
Model::SetSolverLogCallback()
Set log callback for COPT.
Synopsis
void SetSolverLogCallback(ILogCallback *pcb)Arguments
pcb: pointer to ILogCallback object.
Model::SetSolverLogFile()
Set log file for COPT.
Synopsis
void SetSolverLogFile(const char *szLogFile)Arguments
szLogFile: log file name.
Model::Solve()
Solve the model as MIP.
Synopsis
void Solve()
Model::SolveLp()
Solve the model as LP.
Synopsis
void SolveLp()
Model::Tune()
Tune model.
Synopsis
void Tune()
Model::Write()
Output problem, solution, basis, MIP start or modified COPT parameters to file.
Synopsis
void Write(const char *szFileName)Arguments
szFileName: an output file name.
Model::WriteBasis()
Output optimal basis to a file of type ‘.bas’.
Synopsis
void WriteBasis(const char *szFileName)Arguments
szFileName: an output file name.
Model::WriteBin()
Output problem to a file as COPT binary format.
Synopsis
void WriteBin(const char *szFileName)Arguments
szFileName: an output file name.
Model::WriteIIS()
Output IIS to file.
Synopsis
void WriteIIS(const char *szFileName)Arguments
szFileName: Output file name.
Model::WriteLp()
Output problem to a file as LP format.
Synopsis
void WriteLp(const char *szFileName)Arguments
szFileName: an output file name.
Model::WriteMps()
Output problem to a file as MPS format.
Synopsis
void WriteMps(const char *szFileName)Arguments
szFileName: an output file name.
Model::WriteMpsStr()
Output problem to a buffer as MPS format.
Synopsis
ProbBuffer WriteMpsStr()Return
output problem buffer.
Model::WriteMst()
Output MIP start information to a file of type ‘.mst’.
Synopsis
void WriteMst(const char *szFileName)Arguments
szFileName: an output file name.
Model::WriteParam()
Output modified COPT parameters to a file of type ‘.par’.
Synopsis
void WriteParam(const char *szFileName)Arguments
szFileName: an output file name.
Model::WritePoolSol()
Output selected pool solution to a file of type ‘.sol’.
Synopsis
void WritePoolSol(int iSol, const char *szFileName)Arguments
iSol: index of pool solution.
szFileName: an output file name.
Model::WriteRelax()
Output feasibility relaxation problem to file.
Synopsis
void WriteRelax(const char *szFileName)Arguments
szFileName: Output file name.
Model::WriteSol()
Output solution to a file of type ‘.sol’.
Synopsis
void WriteSol(const char *szFileName)Arguments
szFileName: an output file name.
Model::WriteTuneParam()
Output specified tuned parameters to a file of type ‘.par’.
Synopsis
void WriteTuneParam(int idx, const char *szFileName)Arguments
idx: Index of tuned parameters.
szFileName: Output file name.