/// <summary>
/// Method for adding a <see cref="FermionTerm"/> of type <see cref="FermionTermType"/>
/// to a <see cref="FermionHamiltonian"/>.
/// </summary>
/// <param name="termType">Type of fermion term to be added.</param>
/// <param name="term">Fermion term to be added.</param>
public void AddFermionTerm(FermionTermType termType, FermionTerm term)
{
if (!FermionTerms.ContainsKey(termType))
{
FermionTerms.Add(termType, new List <FermionTerm>());
}
FermionTerms[termType].Add(term);
}
/// <summary>
/// Method for adding a <see cref="FermionTerm"/> of type <see cref="FermionTermType"/>
/// to a <see cref="FermionHamiltonian"/>.
/// </summary>
/// <param name="termType">Type of fermion term to be added.</param>
/// <param name="fermionIdxArray">indices of Fermion term to be added.</param>
public void AddFermionTerm(FermionTermType termType, Int64[] fermionIdxArray, Double coefficient)
{
if (!FermionTerms.ContainsKey(termType))
{
FermionTerms.Add(termType, new List <FermionTerm>());
}
var conjugateArray = termType.GetConjugateSequence();
var fermionTerm = new FermionTerm(
nOrbitals: NOrbitals,
caArray: conjugateArray,
fermionIdxArray: fermionIdxArray,
coeffIn: coefficient
);
AddFermionTerm(termType, fermionTerm);
}
public bool Equals(FermionTermType x)
{
if (ReferenceEquals(null, x))
{
return(false);
}
else if (ReferenceEquals(this, x))
{
return(true);
}
else if (GetType() != x.GetType())
{
return(false);
}
else
{
return(this == x);
}
}