Function ikeda

Main.cpp:102–110

  y = ny;
}
void ikeda(double& x, double& y, double cx, double cy) {
  double t = 0.4 - 6.0 / (1.0 + x*x + y*y);
  double st = std::sin(t);
  double ct = std::cos(t);
  double nx = 1.0 + cx*(x*ct - y*st);
  double ny = cy*(x*st + y*ct);
  x = nx;
  y = ny;
}
void chirikov(double& x, double& y, double cx, double cy) {
  y += cy*std::sin(x);
  x += cx*y;