public void IsInCanonicalOrderTest(bool pass, int nOrbitals, int[] ca, int[] idx)
{
var ladderOperators = ca.Zip(idx, (a, b) => (a == 0 ? RaisingLowering.d : RaisingLowering.u, (int)b)).ToLadderSequence();
var tmp = new HermitianFermionTerm(ladderOperators);
Assert.True(tmp.IsInCanonicalOrder());
}
public void UniqueIndicesTests(int norbitals, int[] idx, int uniqueIndices)
{
var coefficient = 1.0;
var HermitianFermionTerm = new HermitianFermionTerm(idx.ToLadderSequence());
Assert.True(HermitianFermionTerm.UniqueIndices() == uniqueIndices);
}
public void SerializeHermitianFermionTerm()
{
HermitianFermionTerm term0 = new HermitianFermionTerm(new[] { 1, 2, 3, 4 });
string json = JsonConvert.SerializeObject(term0, Formatting.None);
HermitianFermionTerm term1 = new HermitianFermionTerm(JsonConvert.DeserializeObject <LadderSequence <int> >(json));
Debug.WriteLine(@json);
}
public void EmptyHermitianFermionTerm()
{
var term = new HermitianFermionTerm(new LadderSequence <int>());
var term2 = new HermitianFermionTerm(new LadderSequence <int>());
Dictionary <HermitianFermionTerm, double> dictionary = new Dictionary <HermitianFermionTerm, double>();
dictionary.Add(term, 0.5);
Assert.Equal(0.5, dictionary[term2]);
}
public void GetFermionTermTypeTests(int norbitals, int[] idx, int type)
{
var tmp = new TermType.Fermion[] { Identity,
PP,
PQ,
PQQP,
PQQR,
PQRS };
var fermionTerm = new HermitianFermionTerm(idx.ToLadderSequence());
var fermionTermType = fermionTerm.TermType;
Assert.True(fermionTermType == tmp[type]);
}
void CheckKeyPresence()
{
var hamiltonian = GenerateTestHamiltonian();
var check = new HermitianFermionTerm(new[] { 0, 2, 2, 0 }.ToLadderSequence());
hamiltonian.Add(check, 100.0.ToDoubleCoeff());
var sourceDict = hamiltonian.Terms[TermType.Fermion.PQQP];
var check2 = new HermitianFermionTerm(new[] { 0, 2, 2, 0 }.ToLadderSequence());
var coeff = sourceDict[check2];
Assert.Equal(101.0, coeff.Value);
Assert.Equal(101.0, hamiltonian.Terms[TermType.Fermion.PQQP][check].Value);
// Check using GetTerm method.
Assert.Equal(101.0, hamiltonian.GetTerm(new HermitianFermionTerm(check)).Value);
}
public void Inheritance()
{
var term = new NormalOrderedSequence <int>(new LadderSequence <int>());
var term2 = new HermitianFermionTerm(term);
}