public static List <DoublePoint> GetPointsList(Rpn rpn, double xStart, double xEnd, double step, double zoom)
{
var output = new List <DoublePoint>();
Rpn localRpn;
double x = xStart;
do
{
double y = rpn.GetNewRpnWithSetVariable(x * zoom).Calculate() / zoom;
output.Add(new DoublePoint(x, y));
x += step;
} while (x <= xEnd);
return(output);
}
static double GetY(Rpn rpn, double x)
{
return(rpn.GetNewRpnWithSetVariable(x).Calculate());
}