public static GaSymMultivectorHash ToHashMultivector(this IGaSymMultivector mv)
{
var sparseMv = GaSymMultivectorHash.CreateZero(mv.GaSpaceDimension);
foreach (var term in mv.NonZeroTerms)
{
sparseMv.Add(term.Key, term.Value);
}
return(sparseMv);
}
public static GaTreeMultivector ToTreeMultivector(this GaSymMultivectorHash sparseMv)
{
var treeMv = GaTreeMultivector.CreateZero(sparseMv.GaSpaceDimension);
foreach (var term in sparseMv.NonZeroExprTerms)
{
treeMv[term.Key] = term.Value;
}
return(treeMv);
}
public MultivectorSizeInfo(int gaSpaceDim, IEnumerable <int> idsList)
{
//Construct a multivector and set all its selected terms to the same symbolic scalar
var mv = GaSymMultivectorHash.CreateZero(gaSpaceDim);
foreach (var id in idsList)
{
mv.Add(id, SymbolicUtils.Constants.One);
}
TermsCount = mv.Count;
//The overhead size is equal to the total size of the multivector minus the single symbolic scalar size
ScalarsSize = SymbolicUtils.Constants.One.SizeInBytes();
HashSize = mv.SizeInBytes();
NewTreeSize = mv.ToMultivector().SizeInBytes();
TreeSize = mv.ToTreeMultivector().SizeInBytes();
ArraySize = mv.TermsToArray().SizeInBytes();
}
