public override Point Fun(Point p)
{
// var p2 = Math.PI * 2.0 / P2;
// var phi = VariationHelper.Phi(p);
// var t3 = phi - p2 * Math.Floor(phi / p2);
// var q = p2 / 2.0;
// var t4 = t3 > q ? t3 : t3 - p2;
// var r = VariationHelper.R(p);
// var k = (P3 * (1.0 / Math.Cos(t4) - 1.0) + P4) / Math.Pow(r, P1);
// return new Point(k * p.X, k * p.Y);
//"power", "sides", "corners", "circle"
var corners = P3;
var circle = P4;
var pow = Math.Pow(VariationHelper.PreSumSq(p), _power);
var preAtanYx = VariationHelper.PreAtanYx(p);
var n3 = preAtanYx - _n2 * Math.Floor(preAtanYx / _n2);
if (n3 > _n2Half)
{
n3 -= _n2;
}
var n4 = (corners * (1.0 / (Math.Cos(n3) + 1.0E-300) - 1.0) + circle) / (pow + 1.0E-300);
return(new Point(W * p.X * n4, W * p.Y * n4));
}
public override Point Fun(Point p)
{
// var r = VariationHelper.R(p);
// var rSquare = r * r;
// return new Point(
// p.X * Math.Sin(rSquare) - p.Y * Math.Cos(rSquare)*W,
// p.X * Math.Cos(rSquare) + p.Y * Math.Sin(rSquare)*W);
var n2 = VariationHelper.PreSumSq(p);
var sin = Math.Sin(n2);
var cos = Math.Cos(n2);
return(new Point(W * (sin * p.X - cos * p.Y), W * (cos * p.X + sin * p.Y)));
}
public override Point Fun(Point p)
{
var precalcAtanYx = VariationHelper.PreAtanYx(p);
var n2 = 0.5 * Math.Log(VariationHelper.PreSumSq(p));
var n3 = VariationHelper.TwoPi / P3;
// double n4 = r / power;
// double n5 = i / power;
var n6 = _n4 * precalcAtanYx + _n5 * n2 + n3 * Math.Floor(P3 * VariationHelper.Psi);
var n7 = W * Math.Exp(_n4 * n2 - _n5 * precalcAtanYx);
var sin = Math.Sin(n6);
var x = n7 * Math.Cos(n6);
var y = n7 * sin;
return(new Point(x, y));
}
public override Point Fun(Point p)
{
var precalcAtanYx = VariationHelper.PreAtanYx(p);
var n2 = 0.5 * Math.Log(VariationHelper.PreSumSq(p));
var sin = Math.Sin(P1);
var n3 = 0.5 * (1.0 + Math.Cos(P1));
var n4 = 0.5 * sin;
var n5 = W * Math.Exp(n3 * n2 - n4 * precalcAtanYx);
var n6 = n3 * precalcAtanYx + n4 * n2;
var sin2 = Math.Sin(n6);
var x = n5 * Math.Cos(n6);
var y = n5 * sin2;
return(new Point(x, y));
}
public override Point Fun(Point p)
{
var n2 = 0.0;
for (var i = 0; i < 7; ++i)
{
var n3 = VariationHelper.RandomNext(10) - 5;
if (Math.Abs(n3) >= 3)
{
n3 = 0;
}
n2 += n3;
}
var n4 = n2 * _fixPe;
var x = _denominator * Math.Log(VariationHelper.PreSumSq(p));
var y = W * (VariationHelper.PreAtanYx(p) + n4);
return(new Point(x, y));
}
public override Point Fun(Point p)
{
var preSumSq = VariationHelper.PreSumSq(p);
var n2 = W * W;
var point = new Point();
if (preSumSq < n2 && Math.Abs(preSumSq) >= VariationHelper.SmallDouble)
{
var n3 = W * Math.Sqrt(n2 / preSumSq - 1.0);
point.X += n3 * p.X;
point.Y += n3 * p.Y;
}
else
{
point.X += W * p.X;
point.Y += W * p.Y;
}
return(point);
}
public override Point Fun(Point p)
{
var n2 = VariationHelper.PreSumSq(p) + 1.0;
var n3 = 2.0 * p.X;
var n4 = (Math.Sqrt(n2 + n3) + Math.Sqrt(n2 - n3)) * 0.5;
var log = Math.Log(n4 + Math.Sqrt(n4 - 1.0));
var n5 = -Math.Acos(p.X / n4);
var n6 = W / 11.57034632;
var sin = Math.Sin(log);
var cos = Math.Cos(log);
var sinh = Math.Sinh(n5);
var cosh = Math.Cosh(n5);
if (p.Y > 0.0)
{
sin = -sin;
}
var x = n6 * cosh * cos;
var y = n6 * sinh * sin;
return(new Point(x, y));
}
public override Point Fun(Point p)
{
var n2 = W * Math.Tan(W * VariationHelper.Omega) * (W / (VariationHelper.PreSumSq(p) + 1.0E-300));
return(new Point(n2 * Math.Cos(p.X), n2 * Math.Sin(p.Y)));
}
