/// <summary>
/// Todo: add summary
/// </summary>
/// <param name="Degree">degree</param>
/// <param name="UpKnots">upperIndexOnKnots</param>
/// <param name="UpCp">upperIndexOnControlPoints</param>
/// <param name="KnotMult">knotMultiplicities</param>
/// <param name="Knots">knots</param>
/// <returns></returns>
internal static bool IfcConstraintsParamBSpline(IfcInteger Degree, IfcInteger UpKnots, IfcInteger UpCp, IItemSet <IfcInteger> KnotMult, IItemSet <IfcParameterValue> Knots)
{
// local variables
bool Result = true;
int K;
int Sum;
Sum = (int)KnotMult[0];
for (var i = 2; i <= UpKnots; i++)
{
Sum = (int)(Sum + KnotMult[i - 1]);
}
if ((Degree < 1) || (UpKnots < 2) || (UpCp < Degree) ||
(Sum != (Degree + UpCp + 2)))
{
Result = false;
return(Result);
}
K = (int)KnotMult[1];
if ((K < 1) || (K > Degree + 1))
{
Result = false;
return(Result);
}
for (var i = 2; i <= UpKnots; i++)
{
if ((KnotMult[i - 1] < 1) || (Knots[i - 1] <= Knots[i - 2]))
{
Result = false;
return(Result);
}
K = (int)KnotMult[i - 1];
if ((i < UpKnots) && (K > Degree))
{
Result = false;
return(Result);
}
if ((i == UpKnots) && (K > Degree + 1))
{
Result = false;
return(Result);
}
}
return(Result);
}
public IfcArcIndex(IfcInteger value) : this()
{
this.Value = new IfcPositiveInteger(value);
}
