public static void XatY(double yCoord, double x, double y, double rotation, double xCoordExpected)
{
CartesianCoordinate center = new CartesianCoordinate(x, y);
EllipticalCurve curve = new EllipticalCurve(a, b, center, rotation, Tolerance);
double xCoord = curve.XatY(yCoord);
Assert.AreEqual(xCoordExpected, xCoord, Tolerance);
}
public static void XatY_Out_of_Range_Return_Infinity(double yCoord, double x, double y, double rotation)
{
CartesianCoordinate center = new CartesianCoordinate(x, y);
EllipticalCurve curve = new EllipticalCurve(a, b, center, rotation, Tolerance);
double xCoord = curve.XatY(yCoord);
Assert.AreEqual(double.PositiveInfinity, xCoord);
}