/// <summary>
/// Returns the minimum angle between two vectors.
/// </summary>
/// <param name="v0"></param>
/// <param name="v1"></param>
/// <returns></returns>
public static float Angle(Vector3f v0, Vector3f v1)
{
var d = v0.SquareLength * v1.SquareLength;
return(d > 0.0f ? SlurMath.AcosSafe(Dot(v0, v1) / SlurMath.Sqrt(d)) : 0.0f);
}
/// <summary>
/// Returns the angle between two vectors.
/// </summary>
/// <param name="v0"></param>
/// <param name="v1"></param>
/// <returns></returns>
public static double Angle(Vector2d v0, Vector2d v1)
{
var d = v0.SquareLength * v1.SquareLength;
return(d > 0.0 ? SlurMath.AcosSafe(Dot(v0, v1) / Math.Sqrt(d)) : 0.0);
}