def test_ugates_cirq():
c1 = Circuit(3)
c1.add(gates.RX(0, 0.1))
c1.add(gates.RZ(1, 0.4))
c1.add(gates.U2(2, 0.5, 0.6))
final_state_c1 = c1()
c2 = circuit_from_qasm(c1.to_qasm())
c2depth = len(cirq.Circuit(c2.all_operations()))
assert c1.depth == c2depth
final_state_c2 = cirq.Simulator().simulate(c2).final_state
np.testing.assert_allclose(final_state_c1, final_state_c2, atol=_atol)
c3 = Circuit.from_qasm(c2.to_qasm())
assert c3.depth == c2depth
final_state_c3 = c3()
np.testing.assert_allclose(final_state_c3, final_state_c2, atol=_atol)
c1 = Circuit(3)
c1.add(gates.RX(0, 0.1))
c1.add(gates.RZ(1, 0.4))
c1.add(gates.U2(2, 0.5, 0.6))
c1.add(gates.CU3(2, 1, 0.2, 0.3, 0.4))
# catches unknown gate "cu3"
with pytest.raises(exception.QasmException):
c2 = circuit_from_qasm(c1.to_qasm())
def test_controlled_by_error():
"""Check that using `to_qasm` with controlled by gates raises error."""
c = Circuit(3)
c.add(gates.H(0))
c.add(gates.Y(1).controlled_by(0, 2))
with pytest.raises(ValueError):
c.to_qasm()
def test_ugates_cirq(backend):
import qibo
original_backend = qibo.get_backend()
qibo.set_backend(backend)
c1 = Circuit(3)
c1.add(gates.RX(0, 0.1))
c1.add(gates.RZ(1, 0.4))
c1.add(gates.U2(2, 0.5, 0.6))
final_state_c1 = c1()
c2 = circuit_from_qasm(c1.to_qasm())
c2depth = len(cirq.Circuit(c2.all_operations()))
assert c1.depth == c2depth
final_state_c2 = cirq.Simulator().simulate(c2).final_state_vector # pylint: disable=no-member
np.testing.assert_allclose(final_state_c1, final_state_c2, atol=_atol)
c3 = Circuit.from_qasm(c2.to_qasm())
assert c3.depth == c2depth
final_state_c3 = c3()
np.testing.assert_allclose(final_state_c3, final_state_c2, atol=_atol)
c1 = Circuit(3)
c1.add(gates.RX(0, 0.1))
c1.add(gates.RZ(1, 0.4))
c1.add(gates.U2(2, 0.5, 0.6))
c1.add(gates.CU3(2, 1, 0.2, 0.3, 0.4))
# catches unknown gate "cu3"
with pytest.raises(exception.QasmException):
c2 = circuit_from_qasm(c1.to_qasm())
qibo.set_backend(original_backend)
def test_empty():
c = Circuit(2)
target = f"""// Generated by QIBO {__version__}
OPENQASM 2.0;
include "qelib1.inc";
qreg q[2];"""
assert_strings_equal(c.to_qasm(), target)
def test_cu1_cirq():
c1 = Circuit(2)
c1.add(gates.RX(0, 0.1234))
c1.add(gates.RZ(1, 0.4321))
c1.add(gates.CU1(0, 1, 0.567))
# catches unknown gate "cu1"
with pytest.raises(exception.QasmException):
c2 = circuit_from_qasm(c1.to_qasm())
def test_crotations_cirq():
c1 = Circuit(3)
c1.add(gates.RX(0, 0.1))
c1.add(gates.RZ(1, 0.4))
c1.add(gates.CRX(0, 2, 0.5))
c1.add(gates.RY(1, 0.3).controlled_by(2))
# catches unknown gate "crx"
with pytest.raises(exception.QasmException):
c2 = circuit_from_qasm(c1.to_qasm())
def test_parametrized_gate():
c = Circuit(2)
c.add(gates.Y(0))
c.add(gates.RY(1, 0.1234))
target = f"""// Generated by QIBO {__version__}
OPENQASM 2.0;
include "qelib1.inc";
qreg q[2];
y q[0];
ry(0.1234) q[1];"""
assert_strings_equal(c.to_qasm(), target)
def test_crotations():
c = Circuit(3)
c.add(gates.RX(0, 0.1))
c.add(gates.RZ(1, 0.4))
c.add(gates.CRX(0, 2, 0.5))
c.add(gates.RY(1, 0.3).controlled_by(2))
target = f"""// Generated by QIBO {__version__}
OPENQASM 2.0;
include "qelib1.inc";
qreg q[3];
rx(0.1) q[0];
rz(0.4) q[1];
crx(0.5) q[0],q[2];
cry(0.3) q[2],q[1];"""
assert_strings_equal(c.to_qasm(), target)
c = Circuit(2)
c.add(gates.CU2(0, 1, 0.1, 0.2))
with pytest.raises(ValueError):
target = c.to_qasm()
def test_simple():
c = Circuit(2)
c.add(gates.H(0))
c.add(gates.H(1))
target = f"""// Generated by QIBO {__version__}
OPENQASM 2.0;
include "qelib1.inc";
qreg q[2];
h q[0];
h q[1];"""
assert_strings_equal(c.to_qasm(), target)
def test_ugates():
c = Circuit(3)
c.add(gates.RX(0, 0.1))
c.add(gates.RZ(1, 0.4))
c.add(gates.U2(2, 0.5, 0.6))
c.add(gates.CU1(0, 1, 0.7))
c.add(gates.CU3(2, 1, 0.2, 0.3, 0.4))
target = f"""// Generated by QIBO {__version__}
OPENQASM 2.0;
include "qelib1.inc";
qreg q[3];
rx(0.1) q[0];
rz(0.4) q[1];
u2(0.5, 0.6) q[2];
cu1(0.7) q[0],q[1];
cu3(0.2, 0.3, 0.4) q[2],q[1];"""
assert_strings_equal(c.to_qasm(), target)
c = Circuit(2)
c.add(gates.CU2(0, 1, 0.1, 0.2))
with pytest.raises(ValueError):
target = c.to_qasm()
def test_czpow():
c = Circuit(2)
c.add(gates.RX(0, 0.1234))
c.add(gates.RZ(1, 0.4321))
c.add(gates.CZPow(0, 1, 0.567))
target = f"""// Generated by QIBO {__version__}
OPENQASM 2.0;
include "qelib1.inc";
qreg q[2];
rx(0.1234) q[0];
rz(0.4321) q[1];
crz(0.567) q[0],q[1];"""
assert_strings_equal(c.to_qasm(), target)
def test_measurements():
c = Circuit(2)
c.add(gates.X(0))
c.add(gates.Y(1))
c.add(gates.M(0, 1))
target = f"""// Generated by QIBO {__version__}
OPENQASM 2.0;
include "qelib1.inc";
qreg q[2];
creg register0[2];
x q[0];
y q[1];
measure q[0] -> register0[0];
measure q[1] -> register0[1];"""
assert_strings_equal(c.to_qasm(), target)
def test_parametrized_gate_cirq():
c1 = Circuit(2)
c1.add(gates.Y(0))
c1.add(gates.RY(1, 0.1234))
final_state_c1 = c1()
c2 = circuit_from_qasm(c1.to_qasm())
c2depth = len(cirq.Circuit(c2.all_operations()))
assert c1.depth == c2depth
final_state_c2 = cirq.Simulator().simulate(c2).final_state
np.testing.assert_allclose(final_state_c1, final_state_c2, atol=_atol)
c3 = Circuit.from_qasm(c2.to_qasm())
final_state_c3 = c3()
np.testing.assert_allclose(final_state_c3, final_state_c2, atol=_atol)
def test_multiple_measurements():
c = Circuit(5)
c.add(gates.M(0, 2, 4, register_name="a"))
c.add(gates.M(1, 3, register_name="b"))
target = f"""// Generated by QIBO {__version__}
OPENQASM 2.0;
include "qelib1.inc";
qreg q[5];
creg a[3];
creg b[2];
measure q[0] -> a[0];
measure q[2] -> a[1];
measure q[4] -> a[2];
measure q[1] -> b[0];
measure q[3] -> b[1];"""
assert_strings_equal(c.to_qasm(), target)
def test_simple_cirq(backend):
c1 = Circuit(2)
c1.add(gates.H(0))
c1.add(gates.H(1))
final_state_c1 = c1()
c2 = circuit_from_qasm(c1.to_qasm())
c2depth = len(cirq.Circuit(c2.all_operations()))
assert c1.depth == c2depth
final_state_c2 = cirq.Simulator().simulate(c2).final_state_vector # pylint: disable=no-member
np.testing.assert_allclose(final_state_c1, final_state_c2, atol=_atol)
c3 = Circuit.from_qasm(c2.to_qasm())
assert c3.depth == c2depth
final_state_c3 = c3()
np.testing.assert_allclose(final_state_c3, final_state_c2, atol=_atol)
def test_multiqubit_gates():
c = Circuit(2)
c.add(gates.H(0))
c.add(gates.CNOT(0, 1))
c.add(gates.X(1))
c.add(gates.SWAP(0, 1))
c.add(gates.X(0).controlled_by(1))
# `controlled_by` here falls back to CNOT and should work
target = f"""// Generated by QIBO {__version__}
OPENQASM 2.0;
include "qelib1.inc";
qreg q[2];
h q[0];
cx q[0],q[1];
x q[1];
swap q[0],q[1];
cx q[1],q[0];"""
assert_strings_equal(c.to_qasm(), target)
def test_multiqubit_gates_cirq():
c1 = Circuit(2)
c1.add(gates.H(0))
c1.add(gates.CNOT(0, 1))
c1.add(gates.X(1))
c1.add(gates.SWAP(0, 1))
c1.add(gates.X(0).controlled_by(1))
final_state_c1 = c1()
c2 = circuit_from_qasm(c1.to_qasm())
c2depth = len(cirq.Circuit(c2.all_operations()))
assert c1.depth == c2depth
final_state_c2 = cirq.Simulator().simulate(c2).final_state
np.testing.assert_allclose(final_state_c1, final_state_c2, atol=_atol)
c3 = Circuit.from_qasm(c2.to_qasm())
assert c3.depth == c2depth
final_state_c3 = c3()
np.testing.assert_allclose(final_state_c3, final_state_c2, atol=_atol)
def test_toffoli():
c = Circuit(3)
c.add(gates.Y(0))
c.add(gates.TOFFOLI(0, 1, 2))
c.add(gates.X(1))
c.add(gates.TOFFOLI(0, 2, 1))
c.add(gates.Z(2))
c.add(gates.TOFFOLI(1, 2, 0))
target = f"""// Generated by QIBO {__version__}
OPENQASM 2.0;
include "qelib1.inc";
qreg q[3];
y q[0];
ccx q[0],q[1],q[2];
x q[1];
ccx q[0],q[2],q[1];
z q[2];
ccx q[1],q[2],q[0];"""
assert_strings_equal(c.to_qasm(), target)
def test_parametrized_gate_cirq(backend):
import qibo
original_backend = qibo.get_backend()
qibo.set_backend(backend)
c1 = Circuit(2)
c1.add(gates.Y(0))
c1.add(gates.RY(1, 0.1234))
final_state_c1 = c1()
c2 = circuit_from_qasm(c1.to_qasm())
c2depth = len(cirq.Circuit(c2.all_operations()))
assert c1.depth == c2depth
final_state_c2 = cirq.Simulator().simulate(c2).final_state_vector
np.testing.assert_allclose(final_state_c1, final_state_c2, atol=_atol)
c3 = Circuit.from_qasm(c2.to_qasm())
final_state_c3 = c3()
np.testing.assert_allclose(final_state_c3, final_state_c2, atol=_atol)
qibo.set_backend(original_backend)
def test_toffoli_cirq():
c1 = Circuit(3)
c1.add(gates.Y(0))
c1.add(gates.TOFFOLI(0, 1, 2))
c1.add(gates.X(1))
c1.add(gates.TOFFOLI(0, 2, 1))
c1.add(gates.Z(2))
c1.add(gates.TOFFOLI(1, 2, 0))
final_state_c1 = c1()
c2 = circuit_from_qasm(c1.to_qasm())
c2depth = len(cirq.Circuit(c2.all_operations()))
assert c1.depth == c2depth
final_state_c2 = cirq.Simulator().simulate(c2).final_state
np.testing.assert_allclose(final_state_c1, final_state_c2, atol=_atol)
c3 = Circuit.from_qasm(c2.to_qasm())
assert c3.depth == c2depth
final_state_c3 = c3()
np.testing.assert_allclose(final_state_c3, final_state_c2, atol=_atol)
def test_multiqubit_gates_cirq(backend):
import qibo
original_backend = qibo.get_backend()
qibo.set_backend(backend)
c1 = Circuit(2)
c1.add(gates.H(0))
c1.add(gates.CNOT(0, 1))
c1.add(gates.X(1))
c1.add(gates.SWAP(0, 1))
c1.add(gates.X(0).controlled_by(1))
final_state_c1 = c1()
c2 = circuit_from_qasm(c1.to_qasm())
c2depth = len(cirq.Circuit(c2.all_operations()))
assert c1.depth == c2depth
final_state_c2 = cirq.Simulator().simulate(c2).final_state_vector # pylint: disable=no-member
np.testing.assert_allclose(final_state_c1, final_state_c2, atol=_atol)
c3 = Circuit.from_qasm(c2.to_qasm())
assert c3.depth == c2depth
final_state_c3 = c3()
np.testing.assert_allclose(final_state_c3, final_state_c2, atol=_atol)
qibo.set_backend(original_backend)
def test_toffoli_cirq(backend):
import qibo
original_backend = qibo.get_backend()
qibo.set_backend(backend)
c1 = Circuit(3)
c1.add(gates.Y(0))
c1.add(gates.TOFFOLI(0, 1, 2))
c1.add(gates.X(1))
c1.add(gates.TOFFOLI(0, 2, 1))
c1.add(gates.Z(2))
c1.add(gates.TOFFOLI(1, 2, 0))
final_state_c1 = c1()
c2 = circuit_from_qasm(c1.to_qasm())
c2depth = len(cirq.Circuit(c2.all_operations()))
assert c1.depth == c2depth
final_state_c2 = cirq.Simulator().simulate(c2).final_state_vector # pylint: disable=no-member
np.testing.assert_allclose(final_state_c1, final_state_c2, atol=_atol)
c3 = Circuit.from_qasm(c2.to_qasm())
assert c3.depth == c2depth
final_state_c3 = c3()
np.testing.assert_allclose(final_state_c3, final_state_c2, atol=_atol)
qibo.set_backend(original_backend)
def test_unknown_gate_error():
""""Check that using `to_qasm` with not supported gates raises error."""
c = Circuit(2)
c.add(gates.Flatten(4 * [0]))
with pytest.raises(ValueError):
c.to_qasm()
def test_capital_in_register_name_error():
"""Check that using capital letter in register name raises error."""
c = Circuit(2)
c.add(gates.M(0, 1, register_name="Abc"))
with pytest.raises(NameError):
c.to_qasm()