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_circuit_draw_line_wrap():
"""Test circuit text draw with line wrap."""
ref_line_wrap_50 = \
'q0: ─H─U1─U1─U1─U1───────────────────────────x───I───f ...\n' \
'q1: ───o──|──|──|──H─U1─U1─U1────────────────|─x─I───| ...\n' \
'q2: ──────o──|──|────o──|──|──H─U1─U1────────|─|─────| ...\n' \
'q3: ─────────o──|───────o──|────o──|──H─U1───|─x───M─| ...\n' \
'q4: ────────────o──────────o───────o────o──H─x───────f ...\n' \
'\n' \
'q0: ... ─o────gf───M─\n' \
'q1: ... ─U3───|──o─M─\n' \
'q2: ... ────X─gf─o─M─\n' \
'q3: ... ────o────o───\n' \
'q4: ... ────o────X───'
ref_line_wrap_30 = \
'q0: ─H─U1─U1─U1─U1──────────────── ...\n' \
'q1: ───o──|──|──|──H─U1─U1─U1───── ...\n' \
'q2: ──────o──|──|────o──|──|──H─U1 ...\n' \
'q3: ─────────o──|───────o──|────o─ ...\n' \
'q4: ────────────o──────────o────── ...\n' \
'\n' \
'q0: ... ───────────x───I───f─o────gf── ...\n' \
'q1: ... ───────────|─x─I───|─U3───|──o ...\n' \
'q2: ... ─U1────────|─|─────|────X─gf─o ...\n' \
'q3: ... ─|──H─U1───|─x───M─|────o────o ...\n' \
'q4: ... ─o────o──H─x───────f────o────X ...\n' \
'\n' \
'q0: ... ─M─\n' \
'q1: ... ─M─\n' \
'q2: ... ─M─\n' \
'q3: ... ───\n' \
'q4: ... ───'
import numpy as np
circuit = Circuit(5)
for i1 in range(5):
circuit.add(gates.H(i1))
for i2 in range(i1 + 1, 5):
circuit.add(gates.CU1(i2, i1, theta=0))
circuit.add(gates.SWAP(0, 4))
circuit.add(gates.SWAP(1, 3))
circuit.add(gates.I(*range(2)))
circuit.add(gates.M(3, collapse=True))
circuit.add(gates.fSim(0, 4, 0, 0))
circuit.add(gates.CU3(0, 1, 0, 0, 0))
circuit.add(gates.TOFFOLI(4, 3, 2))
circuit.add(gates.GeneralizedfSim(0, 2, np.eye(2), 0))
circuit.add(gates.X(4).controlled_by(1, 2, 3))
circuit.add(gates.M(*range(3)))
assert circuit.draw(line_wrap=50) == ref_line_wrap_50
assert circuit.draw(line_wrap=30) == ref_line_wrap_30
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_circuit_draw():
"""Test circuit text draw."""
ref = 'q0: ─H─U1─U1─U1─U1───────────────────────────x───\n' \
'q1: ───o──|──|──|──H─U1─U1─U1────────────────|─x─\n' \
'q2: ──────o──|──|────o──|──|──H─U1─U1────────|─|─\n' \
'q3: ─────────o──|───────o──|────o──|──H─U1───|─x─\n' \
'q4: ────────────o──────────o───────o────o──H─x───'
circuit = Circuit(5)
for i1 in range(5):
circuit.add(gates.H(i1))
for i2 in range(i1 + 1, 5):
circuit.add(gates.CU1(i2, i1, theta=0))
circuit.add(gates.SWAP(0, 4))
circuit.add(gates.SWAP(1, 3))
assert circuit.draw() == ref
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 __new__(cls, q0, q1, theta, trainable=True):
if K.custom_gates:
return CU1(q0, q1, theta, trainable)
else:
from qibo.core import gates
return gates.CU1(q0, q1, theta, trainable)