LpBase::Expr::ConstCoeffIt Class Reference

Detailed Description

The iterator iterates over the terms of the expression.

double s=0;
for(LpBase::Expr::ConstCoeffIt i(e);i!=INVALID;++i)
  s+=*i * primal(i);

#include <lemon/lp_base.h>

Public Member Functions
	ConstCoeffIt (const Expr &e)
	Sets the iterator to the first term.
	operator Col () const
	Convert the iterator to the column of the term.
const Value &	operator* () const
	Returns the coefficient of the term.
ConstCoeffIt &	operator++ ()
	Next term.
bool	operator== (Invalid) const
	Equality operator.
bool	operator!= (Invalid) const
	Inequality operator.

Constructor & Destructor Documentation

ConstCoeffIt()

ConstCoeffIt ( const Expr &  e )

inline

Sets the iterator to the first term of the expression.

Member Function Documentation

operator++()

ConstCoeffIt & operator++ ( )

inline

Assign the iterator to the next term.