public void FromPoints()
        {
            var cirPt = CircularPoint.FromPoints(new Point(10, 10), new Point(10, 12));

            Assert.Equal(2, cirPt.Length, 2);
            Assert.Equal(270, cirPt.AngleInDegrees, 2);
        }
 public void CreateCPLength(double x, double y, double length) =>
 Assert.Equal(length,
              CircularPoint.FromVectors(new Vector(1, 0), new Vector(x, y)).Length, 3);
 public void CreateCPAngle(double x, double y, double angle) =>
 Assert.Equal(angle,
              CircularPoint.FromVectors(new Vector(1, 0), new Vector(x, y)).AngleInDegrees, 3);