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LpBase::DualExpr::CoeffIt Class Reference

Detailed Description

The iterator iterates over the terms of the expression.

double s=0;
for(LpBase::DualExpr::CoeffIt i(e);i!=INVALID;++i)
s+= *i * dual(i);

#include <lemon/lp_base.h>

Public Member Functions

 CoeffIt (DualExpr &e)
 Sets the iterator to the first term.
 
 operator Row () const
 Convert the iterator to the row of the term.
 
Valueoperator* ()
 Returns the coefficient of the term.
 
const Valueoperator* () const
 Returns the coefficient of the term.
 
CoeffItoperator++ ()
 Next term.
 
bool operator== (Invalid) const
 Equality operator.
 
bool operator!= (Invalid) const
 Inequality operator.
 

Constructor & Destructor Documentation

CoeffIt ( DualExpr e)
inline

Sets the iterator to the first term of the expression.

Member Function Documentation

CoeffIt& operator++ ( )
inline

Assign the iterator to the next term.