problem when trying to compile it.

[cbarmpar]

hi all,

i am trying to compile the following code but I receive an error "launch failed. Binary not found". I am using eclipse. The strange think is that the first time I am trying to compile it it is finding errors. But when I try to change the error and compile it again i receive the error. I tried to clean the project but with no result. I think the code is correct.

Many thanks in advance,

Kindest regards,
Christos

#include "test2.h"
#include "/usr/include/qwt/qwt_plot.h"
#include "/usr/include/qwt/qwt_plot_curve.h"
test2::test2(QWidget *parent)
    : QMainWindow(parent)
{
	ui.setupUi(this);
	QwtPlot *myPlot;
    double x[100], y1[100], y2[100];        // x and y values
 
	myPlot = new QwtPlot(this);
 
	  // add curves
	QwtPlotCurve *curve1 = new QwtPlotCurve("Curve 1");
	QwtPlotCurve *curve2 = new QwtPlotCurve("Curve 2");
 
	for( int i=0; i<100; i++ )
	{ x[i] = (double)i/50.0; y1[i] = sin(x[i]); y2[i] = cos(x[i]); }
 
	   // copy the data into the curves
	curve1->setData(x, y1, 100);
	curve2->setData(x, y2, 100);
	curve1->attach(myPlot);
	curve2->attach(myPlot);
		        // finally, refresh the plot
    myPlot->replot();
}

#include "test2.h"
#include "/usr/include/qwt/qwt_plot.h"
#include "/usr/include/qwt/qwt_plot_curve.h"
test2::test2(QWidget *parent)
    : QMainWindow(parent)
{
	ui.setupUi(this);
	QwtPlot *myPlot;
    double x[100], y1[100], y2[100];        // x and y values

	myPlot = new QwtPlot(this);

	  // add curves
	QwtPlotCurve *curve1 = new QwtPlotCurve("Curve 1");
	QwtPlotCurve *curve2 = new QwtPlotCurve("Curve 2");

	for( int i=0; i<100; i++ )
	{ x[i] = (double)i/50.0; y1[i] = sin(x[i]); y2[i] = cos(x[i]); }

	   // copy the data into the curves
	curve1->setData(x, y1, 100);
	curve2->setData(x, y2, 100);
	curve1->attach(myPlot);
	curve2->attach(myPlot);
		        // finally, refresh the plot
    myPlot->replot();
}

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[jpn]

Did you implement main() somewhere?