public static Rational Sqrt(Rational r)
{
r = r.Reduce();
return(new Rational(Sqrt(r.Numerator), Sqrt(r.Denomerator)));
}
public static bool IsSquare(Rational r)
{
r = r.Reduce();
return(IsSquare(r.Numerator) && IsSquare(r.Denomerator));
}
public SolutionSpec MakeFinalFolds(SolutionSpec sol, Rational k, params int[] pointIndices)
{
return(MakeFinalFolds(sol, k, pointIndices.Select(i => sol.DestPoints[i])));
}
private static bool IsBetween(Rational a, Rational x, Rational b)
{
return((a - x) * (b - x) <= 0);
}
public Vector Move(Rational shiftX, Rational shiftY)
{
return(new Vector(X + shiftX, Y + shiftY));
}
public SolutionSpec MakeFinalFolds(SolutionSpec sol, Rational k)
{
return(MakeFinalFolds(sol, k, sol.DestPoints));
}
public Vector(Rational x, Rational y)
{
X = x;
Y = y;
}
public Segment Move(Rational shiftX, Rational shiftY)
{
return(new Segment(Start.Move(shiftX, shiftY), End.Move(shiftX, shiftY)));
}
private static Vector ReflectY(Vector v, Rational height)
{
return(new Vector(v.X, height - v.Y + height));
}
private static Vector ShiftY(Vector v, Rational shift)
{
return(new Vector(v.X, v.Y + shift));
}
public static List <List <GNode <PEdge, PNode> > > GetReflectedAndShiftedCycles(List <List <GNode <PEdge, PNode> > > cycles,
Rational reflectionH, Rational shiftH)
{
return(CloneCyclesWithUpdateProjection(cycles, v => ShiftY(ReflectY(v, reflectionH), shiftH)));
}