/// Used for iterating through members of the distribution
long int item_start() const;
/// Used for iterating through members of the distribution
long int item_next(int idx) const;

//  For iterating through members of a probability distribution
// replace int by long int here for x86_64, why isn't it a pointer ?
long int EST_DiscreteProbDistribution::item_start(void) const
{
	if (type == tprob_discrete)
	    return 0;
	else
	    return (long int)scounts.list.head();
}

int EST_DiscreteProbDistribution::item_end(int idx) const
{
	if (type == tprob_discrete) 
	    return (idx >= icounts.length());
	else
	    return ((EST_Litem *)idx == 0);
}

// replace int by long int here for x86_64, why isn't it a pointer ?
long int EST_DiscreteProbDistribution::item_next(int idx) const
{
	if (type == tprob_discrete)
	    return ++idx;
	else
	    return (long int)next((EST_Litem *)idx);
}