//only for GUI
public void InsertQubitAbove(int registerIndex, int row)
{
if (_currentStep != 0)
{
return;
}
SelectedItems = null;
RegisterModel reg = _registers[registerIndex];
reg.InsertQubit(row + 1);
int offset = row + 1;
int i = 0;
for (; i < registerIndex; i++)
{
_registers[i].IncrementOffset();
}
i++;
for (; i < _registers.Count; i++)
{
offset += _registers[i].Qubits.Count;
}
foreach (StepModel step in Steps)
{
int gatesNum = reg.Qubits.Count - row - 2;
for (int j = offset; j < gatesNum + offset;)
{
int prevEnd = step.Gates[j].End;
step.Gates[j].IncrementRow(reg, row);
j = prevEnd + 1;
}
if (offset > 0 && step.Gates[offset - 1].End >= offset)
{
//multiqubit gate
step.Gates.Insert(offset, step.Gates[offset - 1]);
}
else
{
step.Gates.Insert(offset, new EmptyGate(new RegisterRefModel()
{
Register = reg, Offset = row + 1
}));
}
}
}
