/// <summary>
/// Equality for quaternions
/// </summary>
public bool Equals(Quaternion other)
{
if (other.IsNan && IsNan || other.IsInfinity && IsInfinity)
{
return(true);
}
return(Real.AlmostEqual(other.Real) &&
ImagX.AlmostEqual(other.ImagX) &&
ImagY.AlmostEqual(other.ImagY) &&
ImagZ.AlmostEqual(other.ImagZ));
}
/// <summary>
/// returns quaternion as real+ImagXi+ImagYj+ImagZk based on format provided
/// </summary>
public string ToString(string format, IFormatProvider formatProvider)
{
return(string.Format(formatProvider, "{0}{1}{2}i{3}{4}j{5}{6}k",
Real.ToString(format, formatProvider),
(ImagX < 0) ? "" : "+",
ImagX.ToString(format, formatProvider),
(ImagY < 0) ? "" : "+",
ImagY.ToString(format, formatProvider),
(ImagZ < 0) ? "" : "+",
ImagZ.ToString(format, formatProvider)));
}