class MThread : public QThread
{
 	Q_OBJECT
	public:
	MThread(double x, unsigned int stackSize = 0);
	virtual ~MThread();
	double getX();
	void setX (double x);
	protected:
	void run();
	private:
	double x;
	
};

MThread::MThread ( double x, unsigned int stackSize) :QThread( stackSize)
{
	this->x=x;
                this->run();
}

void MThread::setX ( double x )
{
	this->x=x;
}

double MThread::getX()
{
	return this->x;
}

void MThread::run()
{
	long i;
	int j=0;
	int progress;
	for ( i=0;i<1000000;i++ )
	{
		setX ( sin ( this->getX() ) );
		j+=1;
		if ( j==10000 )
		{
			progress=dlgMain->taskProgress->progress();
			dlgMain->taskProgress->setProgress ( progress+1 );
			j=0;
		}
	}
	QString ds = QString( "'E' format, precision 3, gives %1" )
                    .arg( x, 0, 'E', 3 );	
	dlgMain->logAdd(ds);
}

ProgressEvent::ProgressEvent():QCustomEvent(progressChange) //в .h файле есть перечисление, в котором указан номер progressChange'а
{
}

int ProgressEvent::getProgress()
{
	return this->progress;
}

void ProgressEvent::setProgress(int p)
{
	this->progress=p;
}

MThread::MThread ( double x, unsigned int stackSize) :QThread( stackSize)
{
	this->x=x;
	this->start();
}

void MThread::setX ( double x )
{
	this->x=x;
}

double MThread::getX()
{
	return this->x;
}

void MThread::run()
{
	long i;
	QString s;
	int progress=0;
	
	qDebug("start computing");
	for ( i=0;i<100;i++ )
	{
		qDebug("Another step");
		this->x=sin(this->x);
		progress+=1;
		ProgressEvent *e = new ProgressEvent;
		e->setProgress(progress);
		QApplication::postEvent(dlgMain,e);
		qDebug("Send event");
		this->sleep(1);
		qDebug("Sleep over");
	}
	progress+=1;
	ProgressEvent *e = new ProgressEvent;
	e->setProgress(progress);
	QApplication::postEvent(dlgMain,e);
	
	QString ds = QString( "'E' format, precision 3, gives %1" )
                    .arg( x, 0, 'E', 3 );	
	dlgMain->logAdd(ds);
	this->exit();
}