public static GaPoTNumBiversor operator -(GaPoTNumBiversor v1, GaPoTNumBiversor v2)
{
var biversor = new GaPoTNumBiversor();
biversor.AddTerms(v1._termsDictionary.Values);
biversor.AddTerms(v2._termsDictionary.Values.Select(t => - t));
return(biversor);
}
public GaPoTNumVector ApplyRotor(GaPoTNumBiversor rotor)
{
var r1 = rotor.ToMultivector();
var r2 = rotor.Reverse().ToMultivector();
var v = ToMultivector();
var mv = r1.Gp(v).Gp(r2);
return(mv.GetVectorPart());
}
public GaPoTNumBiversor ScaleBy(double s)
{
var result = new GaPoTNumBiversor();
foreach (var pair in _termsDictionary)
{
result.AddTerm(s * pair.Value);
}
return(result);
}
public GaPoTNumBiversor Negative()
{
var result = new GaPoTNumBiversor();
foreach (var pair in _termsDictionary)
{
result.AddTerm(-pair.Value);
}
return(result);
}
public static GaPoTNumBiversor[] Gp(this GaPoTNumVector[] vectorsList1, GaPoTNumVector[] vectorsList2)
{
if (vectorsList1.Length != vectorsList2.Length)
{
throw new InvalidOperationException();
}
var results = new GaPoTNumBiversor[vectorsList1.Length];
for (var i = 0; i < vectorsList1.Length; i++)
{
results[i] = vectorsList1[i].Gp(vectorsList2[i]);
}
return(results);
}
public GaPoTNumBiversor GetBiversorPart()
{
var biversor = new GaPoTNumBiversor();
var scalarValue = GetTermValue(0);
if (scalarValue != 0.0d)
{
biversor.AddTerm(new GaPoTNumBiversorTerm(scalarValue));
}
biversor.AddTerms(
GetTermsOfGrade(2).Select(t => t.ToBiversorTerm())
);
return(biversor);
}
public GaPoTNumBiversor NegativeReverse()
{
var result = new GaPoTNumBiversor();
foreach (var pair in _termsDictionary)
{
if (pair.Value.IsScalar)
{
result.AddTerm(-pair.Value);
}
else
{
result.AddTerm(pair.Value);
}
}
return(result);
}
private static GaPoTNumBiversor GaPoTNumParseBiversor(IronyParsingResults parsingResults, ParseTreeNode rootNode)
{
if (rootNode.ToString() != "biversor")
{
throw new SyntaxErrorException(parsingResults.ToString());
}
var biversor = new GaPoTNumBiversor();
var vectorNode = rootNode;
foreach (var vectorElementNode in vectorNode.ChildNodes)
{
if (vectorElementNode.ToString() == "biversorTerm0")
{
//Scalar term
var value = double.Parse(vectorElementNode.ChildNodes[0].FindTokenAndGetText());
biversor.AddTerm(1, 1, value);
}
else if (vectorElementNode.ToString() == "biversorTerm2")
{
//Biversor term
var value = double.Parse(vectorElementNode.ChildNodes[0].FindTokenAndGetText());
var id1 = int.Parse(vectorElementNode.ChildNodes[1].FindTokenAndGetText());
var id2 = int.Parse(vectorElementNode.ChildNodes[2].FindTokenAndGetText());
if (id1 < 0 || id2 < 0)
{
throw new SyntaxErrorException(parsingResults.ToString());
}
biversor.AddTerm(id1, id2, value);
}
else
{
throw new SyntaxErrorException(parsingResults.ToString());
}
}
return(biversor);
}
/// <summary>
/// The geometric product of two GAPoT vectors is a biversor
/// </summary>
/// <param name="v1"></param>
/// <param name="v2"></param>
/// <returns></returns>
public static GaPoTNumBiversor operator *(GaPoTNumVector v1, GaPoTNumVector v2)
{
var biversor = new GaPoTNumBiversor();
foreach (var term1 in v1.GetTerms())
{
foreach (var term2 in v2.GetTerms())
{
var scalarValue = term1.Value * term2.Value;
biversor.AddTerm(
term1.TermId,
term2.TermId,
scalarValue
);
}
}
return(biversor);
}
public GaPoTNumVector Gp(GaPoTNumBiversor bv)
{
return(this * bv);
}
