search

quantastica / quantum-circuit

Quantum Circuit Simulator implemented in JavaScript
MIT License
243 stars 47 forks source link

Export to Cirq - classical control is not implemented #25

Open perak opened 5 years ago

perak commented 5 years ago

Good example is teleportation circuit:

QASM:

OPENQASM 2.0;
include "qelib1.inc";
qreg q[3];
creg c0[1];
creg c1[1];
rx (pi/4) q[0];
h q[1];
cx q[1], q[2];
cx q[0], q[1];
h q[0];
measure q[1] -> c1[0];
if(c1==1) x q[2];
measure q[0] -> c0[0];
if(c0==1) z q[2];

When exported to Cirq, code currently looks like this:

import cirq
import numpy as np

q = [cirq.NamedQubit('q' + str(i)) for i in range(3)]

circuit = cirq.Circuit.from_ops(
    cirq.Rx(np.pi / 4)(q[0]),
    cirq.H(q[1]),
    cirq.CNOT(q[1], q[2]),
    cirq.CNOT(q[0], q[1]),
    cirq.H(q[0]),
    cirq.measure(q[1], key='c10'),

    # Export to cirq WARNING: classical control not implemented yet.
    cirq.X(q[2]),

    cirq.measure(q[0], key='c00'),

    # Export to cirq WARNING: classical control not implemented yet.
    cirq.Z(q[2])
)

simulator = cirq.Simulator()
result = simulator.run(circuit)
print(result)