#include <stdlib.h>
#include <stdio.h>
#include "complex.h"
#include "stack-c.h"
/*
  Class Stack
*/
Stack* Stack::create(int n)
{
	Stack* pS = new Stack();
	pS->top_  = -1;
	pS->size_ = n;
	pS->elems_ = new TPELEM[n];
	return pS;
}

/*
  Class StackIterador
*/
void StackIterador::init( class Stack* pS )
{
	pPilha_ = pS;
	indElemPilha_ = -1;
}

TPELEM StackIterador::prox( void )
{
	return( pPilha_->elems_[++indElemPilha_] );
}

int StackIterador::fim( void )
{
	return( (indElemPilha_ == pPilha_->top_) ? 1 : 0 );
}

void StackIterador::percorrePilha( void )
{
    for( int i=pPilha_->top_; i>=0; i-- )
	{
		Complex c=pPilha_->elems_[i];
		printf("%d:%7.4f,%7.4f\n", i, c.real(), c.imag());
		cout<<i<<": "<<c;
	}
	cout<<endl;
}