/// <summary>
/// Transforms a position vector.
/// </summary>
public static V2d InvTransformPos(Rot2d rot, V2d v)
{
return((M22d)Rot2d.Negate(rot) * v);
}
/// <summary>
/// Negates the rotation.
/// </summary>
public static Rot2d operator -(Rot2d rot)
{
return(Rot2d.Negate(rot));
}
