public void PolarCoordTest()
{
PolarCoord target = PolarCoord.CartesianToPolar(new Coord(5, 5));
PolarCoord origin = new PolarCoord(7.0710678118654755f, 0.64209261593433065f);
Coord cartTarget = PolarCoord.PolarToCartesian(target);
Coord cartOrigin = PolarCoord.PolarToCartesian(origin);
Assert.AreEqual(target, origin);
Assert.AreEqual(cartTarget, cartOrigin);
}
public void CartesianToPolarTest()
{
Coord origin = new Coord(5, 5);
PolarCoord target = PolarCoord.CartesianToPolar(origin);
double expectedRadius = Math.Sqrt(50);
double expectedTheta = 1 / Math.Tan(1);
Assert.Less(expectedTheta - 0.01, target.Theta);
Assert.Greater(expectedTheta + 0.01, target.Theta);
Assert.Less(expectedRadius - 0.01, target.Radius);
Assert.Greater(expectedRadius + 0.01, target.Radius);
}