protected override Func <double, double> GetBasisFunction(BasisInfo _info)
{
BezierBasisInfo info = (BezierBasisInfo)_info;
int n = info.N;
int i = info.I;
Func <double, double> func = (t) => MathTool.GetBinomialCoefficient(n, i) * Math.Pow(t, i) * Math.Pow(1 - t, n - i);
return(func);
}
public void GetBinomialCoefficient()
{
int n, i, a, r;
n = 3;
i = 2;
r = MathTool.GetBinomialCoefficient(n, i);
a = 3;
Assert.IsTrue(a == r);
n = -1;
i = 2;
Assert.ThrowsException <ArgumentException>(() => MathTool.GetBinomialCoefficient(n, i));
n = 2;
i = -2;
Assert.ThrowsException <ArgumentException>(() => MathTool.GetBinomialCoefficient(n, i));
}