public Vector2d Sign()
{
Vector2d v = this;
v.x = Mathd.Sign(v.x);
v.y = Mathd.Sign(v.y);
return(v);
}
/// <summary>
/// Returns a vector with each component set to one or negative one, depending
/// on the signs of this vector's components, or zero if the component is zero,
/// by calling <see cref="Mathd.Sign(double)"/> on each component.
/// </summary>
/// <returns>A vector with all components as either `1`, `-1`, or `0`.</returns>
public Vector2d Sign()
{
Vector2d v;
v.x = Mathd.Sign(x);
v.y = Mathd.Sign(y);
return(v);
}
/// <summary>
/// Returns a vector with each component set to one or negative one, depending
/// on the signs of this vector's components, or zero if the component is zero,
/// by calling <see cref="Mathd.Sign(double)"/> on each component.
/// </summary>
/// <returns>A vector with all components as either `1`, `-1`, or `0`.</returns>
public Vector3d Sign()
{
Vector3d v;
v.x = Mathd.Sign(x);
v.y = Mathd.Sign(y);
v.z = Mathd.Sign(z);
return(v);
}
public Vector4d Sign()
{
Vector4d v = this;
v.x = Mathd.Sign(v.x);
v.y = Mathd.Sign(v.y);
v.z = Mathd.Sign(v.z);
v.w = Mathd.Sign(v.w);
return(v);
}