public static double GetMappingCost(Mapping mapping, Architecture architecture, LogicalCircuit circuit)
{
// Parameters to calculate the weight of each gate
double p1 = circuit.NbCnotGates / Math.Min(circuit.NbGates, MAX_NB_GATES_IN_COST);
double p2 = 0.1;
double cost = 0;
int NbOfGatesLookedAt = 0;
for (int i = 0; i < circuit.NbCnotGates; i++)
{
double weight = 1 / (++NbOfGatesLookedAt / p1 + p2);
if (circuit.Gates[i] is CNOT)
{
cost += architecture.GetCost(mapping.Map[((CNOT)circuit.Gates[i]).GetControlQubit()], mapping.Map[((CNOT)circuit.Gates[i]).GetTargetQubit()]);
}
if (NbOfGatesLookedAt > MAX_NB_GATES_IN_COST)
{
return(cost);
}
}
return(cost);
}