/// <returns>the RefGA.Multivector which represents the origin ("no" by default, but can be set by <c>optionOrigin="..."</c>).</returns>
public RefGA.Multivector GetOrigin(Specification S, G25.fgs F)
{
String originName = "no";
if (F.GetOption("origin") != null)
{
originName = F.GetOption("origin");
}
int bvIdx = S.GetBasisVectorIndex(originName);
if (bvIdx < 0)
{
throw new G25.UserException("Unknown basis vector specified for origin: " + originName,
XML.FunctionToXmlString(S, F));
}
else
{
return(new RefGA.Multivector(new RefGA.BasisBlade((uint)(1 << bvIdx))));
}
}
/// <summary>
/// Checks if this FunctionGenerator can implement a certain function.
/// </summary>
/// <param name="S">The specification of the algebra.</param>
/// <param name="F">The function to be implemented.</param>
/// <returns>true if 'F' can be implemented</returns>
public override bool CanImplement(Specification S, G25.fgs F)
{
if (!((F.Name == "log") && (F.MatchNbArguments(1))))
{
return(false);
}
string type = F.GetOption("type");
if (type == null)
{
return(false);
}
return(type.ToLower().Equals("euclidean"));
}
