//расчёт точек для построения кривой
private PointF[] GetPoints(double a, double b, int numberOfPoints, string func)
{
double step = Math.Abs(b - a) / numberOfPoints;
PointF[] points = new PointF[numberOfPoints];
for (int i = 0; i <= numberOfPoints; i++)
{
string x = Convert.ToString(a + i * step);
parser.ProgrammaticallyParse("let x = " + x.ToString().Replace(",", "."));
if (i == numberOfPoints)
{
points[i - 1] = new PointF(float.Parse(x), (float)parser.Parse(func.Replace(",", ".")));
}
else
{
points[i] = new PointF(float.Parse(x), (float)parser.Parse(func.Replace(",", ".")));
}
}
return(points);
}
