Function Binomial

comp/webgui.cpp:34–36

double factorial(int n) { return std::tgamma(n + 1); }

double Binomial(int n, int i) {
  return factorial(n) / (factorial(i) * factorial(n - i));
}

double Bernstein(double x, int i, int n) {
  return Binomial(n, i) * pow(x, i) * pow(1 - x, n - i);