private NuGenFormula(string formel, NuGenPlotInterval intervall, Color frb, bool draw, NuGenFormula[] children, double param)
{
_formel = formel;
_children = new NuGenFormulaCollectionBase();
if (children != null)
{
_children.AddRange(children);
}
this._param = param;
this._formulaElement = NuGenInterpreter.ParseInfixExpression(formel);
this._interval = intervall;
this.frb = frb;
this._paintValidate = new NuGenPlotInterval(0.0, 0.0);
this.draw = draw;
_pth = new GraphicsPath();
_pthasympt = new GraphicsPath();
}
private float GetValIS(NuGenFormulaElement fml, double val)
{
NuGenInterpreter.SetVariableValue(_varx, val);
float res = (float)fml.Value;
if (float.IsNaN(res))
{
return(0f);
}
else if (float.IsPositiveInfinity(res))
{
return(2e30f);
}
else if (float.IsNegativeInfinity(res))
{
return(-2e30f);
}
else
{
return(res);
}
}
private float GetVal(NuGenFormulaElement fml, double val)
{
return(Math.Min(1e4f, Math.Max(GetValIS(fml, val), -1e4f)));
}
