def test_circuit_set_parameters_with_dictionary(trainable):
"""Check updating parameters of circuit with list."""
params = [0.123, 0.456, 0.789]
c1 = Circuit(3)
c1.add(gates.X(0))
c1.add(gates.X(2))
if trainable:
c1.add(gates.U1(0, theta=0, trainable=trainable))
else:
c1.add(gates.U1(0, theta=params[0], trainable=trainable))
c2 = Circuit(3)
c2.add(gates.RZ(1, theta=0))
c2.add(gates.CZ(1, 2))
c2.add(gates.CU1(0, 2, theta=0))
c2.add(gates.H(2))
c = c1 + c2
if trainable:
params_dict = {c.queue[i]: p for i, p in zip([2, 3, 5], params)}
c.set_parameters(params_dict)
assert c.queue[2].parameters == params[0]
else:
params_dict = {c.queue[3]: params[1], c.queue[5]: params[2]}
c.set_parameters(params_dict)
assert c.queue[3].parameters == params[1]
assert c.queue[5].parameters == params[2]
# test not passing all parametrized gates
c.set_parameters({c.queue[5]: 0.7891})
if trainable:
assert c.queue[2].parameters == params[0]
assert c.queue[3].parameters == params[1]
assert c.queue[5].parameters == 0.7891
def test_cu1():
c = Circuit(2)
c.add(gates.RX(0, 0.1234))
c.add(gates.RZ(1, 0.4321))
c.add(gates.CU1(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];
cu1(0.567) q[0],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_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()