Hi, i upgraded from openSuse 11.3 to 12.1 and got a new gsl version. I have
this piece of code which worked fine befor:
int pointsNumber = _points.size();
double* x = new double [pointsNumber];
double* y = new double [pointsNumber];
int i = 0;
foreach(QPointF point, _points)
{
x[i] = point.x();
y[i] = point.y();
++i;
}
gsl_interp_accel *acc = gsl_interp_accel_alloc ();
gsl_spline *spline = gsl_spline_alloc (gsl_interp_cspline, pointsNumber);
gsl_spline_init (spline, x, y, pointsNumber);
for(int i = 0; i < _data.size(); ++i)
{
_data[i].setValue(_yaxistyp, gsl_spline_eval (spline,
_data[i].getValue(_xaxistyp), acc));
}
But now i'm getting always error messages "interp.c:150: ERROR: interpolation
error". I think it's because i want y values for x
values lower/bigger than the x values in my interpolation points. How can i get
these values? I don't want to add additional
interpolation points because that will change my spline.
Thanks,
Alex
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