Expr::Expr()¶
Constructor of a constant linear expression.
Synopsis
Expr(double constant)Arguments
constant: constant value in expression object.
Expr::Expr()¶
Constructor of a linear expression with one term.
Synopsis
Expr(const Var &var, double coeff)Arguments
var: variable for the added term.
coeff: coefficent for the added term.
Expr::AddConstant()¶
Add constant for the expression.
Synopsis
void AddConstant(double constant)Arguments
constant: the value of the constant.
Expr::AddExpr()¶
Add an expression to self.
Synopsis
void AddExpr(const Expr &expr, double mult)Arguments
expr: expression to be added.
mult: optional, constant multiplier, default value is 1.0.
Expr::AddTerm()¶
Add a term to expression object.
Synopsis
void AddTerm(const Var &var, double coeff)Arguments
var: a variable for new term.
coeff: coefficient for new term.
Expr::AddTerms()¶
Add terms to expression object.
Synopsis
int AddTerms(
const VarArray &vars,
double *pCoeff,
int len)Arguments
vars: variables for added terms.
pCoeff: coefficient array for added terms.
len: length of coefficient array.Return
number of added terms.
Expr::Clone()¶
Deep copy linear expression object.
Synopsis
Expr Clone()Return
cloned expression object.
Expr::Evaluate()¶
evaluate linear expression after solving
Synopsis
double Evaluate()Return
value of linear expression
Expr::GetCoeff()¶
Get coefficient from the i-th term in expression.
Synopsis
double GetCoeff(int i)Arguments
i: index of the term.Return
coefficient of the i-th term in expression object.
Expr::GetConstant()¶
Get constant in expression.
Synopsis
double GetConstant()Return
constant in expression.
Expr::GetVar()¶
Get variable from the i-th term in expression.
Synopsis
Var &GetVar(int i)Arguments
i: index of the term.Return
variable of the i-th term in expression object.
Expr::operator*=()¶
Multiply a constant to self.
Synopsis
void operator*=(double c)Arguments
c: constant multiplier.
Expr::operator*()¶
Multiply constant and return new expression.
Synopsis
Expr operator*(double c)Arguments
c: constant multiplier.Return
result expression.
Expr::operator*()¶
Multiply a variable and return new quadratic expression object.
Synopsis
QuadExpr operator*(const Var &var)Arguments
var: variable object.Return
result quadratic expression.
Expr::operator*()¶
Multiply a linear expression and return new quadratic expression object.
Synopsis
QuadExpr operator*(const Expr &other)Arguments
other: linear expression object.Return
result quadratic expression.
Expr::operator+=()¶
Add an expression to self.
Synopsis
void operator+=(const Expr &expr)Arguments
expr: expression to be added.
Expr::operator+()¶
Add expression and return new expression.
Synopsis
Expr operator+(const Expr &other)Arguments
other: other expression to add.Return
result expression.
Expr::operator-=()¶
Substract an expression from self.
Synopsis
void operator-=(const Expr &expr)Arguments
expr: expression to be substracted.
Expr::operator-()¶
Substract expression and return new expression.
Synopsis
Expr operator-(const Expr &other)Arguments
other: other expression to substract.Return
result expression.
Expr::Remove()¶
Remove i-th term from expression object.
Synopsis
void Remove(int i)Arguments
i: index of the term to be removed.
Expr::Remove()¶
Remove the term associated with variable from expression.
Synopsis
void Remove(const Var &var)Arguments
var: a variable whose term should be removed.
Expr::Reserve()¶
Reserve capacity to contain at least n items.
Synopsis
void Reserve(size_t n)Arguments
n: minimum capacity for linear expression object.
Expr::SetCoeff()¶
Set coefficient for the i-th term in expression.
Synopsis
void SetCoeff(int i, double val)Arguments
i: index of the term.
val: coefficient of the term.
Expr::SetConstant()¶
Set constant for the expression.
Synopsis
void SetConstant(double constant)Arguments
constant: the value of the constant.
Expr::Size()¶
Get number of terms in expression.
Synopsis
size_t Size()Return
number of terms.