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Add Prod observable support #100

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Apr 16, 2024
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2 changes: 1 addition & 1 deletion .github/workflows/tests.yml
Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,7 @@ jobs:
run: |
python -m pip install --upgrade pip
pip install -r requirements.txt
pip install wheel pytest pytest-cov pytest-mock flaky --upgrade
pip install wheel pytest pytest-benchmark pytest-cov pytest-mock flaky --upgrade

- name: Install Plugin
run: |
Expand Down
5 changes: 4 additions & 1 deletion pennylane_ionq/device.py
Original file line number Diff line number Diff line change
Expand Up @@ -85,6 +85,7 @@ class IonQDevice(QubitDevice):
distribution has peaks. See `IonQ Debiasing and Sharpening
<https://ionq.com/resources/debiasing-and-sharpening>`_ for details.
"""

# pylint: disable=too-many-instance-attributes
name = "IonQ PennyLane plugin"
short_name = "ionq"
Expand All @@ -100,7 +101,7 @@ class IonQDevice(QubitDevice):

# Note: unlike QubitDevice, IonQ does not support QubitUnitary,
# and therefore does not support the Hermitian observable.
observables = {"PauliX", "PauliY", "PauliZ", "Hadamard", "Identity"}
observables = {"PauliX", "PauliY", "PauliZ", "Hadamard", "Identity", "Prod"}

def __init__(
self,
Expand Down Expand Up @@ -285,6 +286,7 @@ class SimulatorDevice(IonQDevice):
api_key (str): The IonQ API key. If not provided, the environment
variable ``IONQ_API_KEY`` is used.
"""

name = "IonQ Simulator PennyLane plugin"
short_name = "ionq.simulator"

Expand Down Expand Up @@ -329,6 +331,7 @@ class QPUDevice(IonQDevice):
your expected output distribution has peaks. See `IonQ Debiasing and Sharpening
<https://ionq.com/resources/debiasing-and-sharpening>`_ for details.
"""

name = "IonQ QPU PennyLane plugin"
short_name = "ionq.qpu"

Expand Down
6 changes: 6 additions & 0 deletions pennylane_ionq/ops.py
Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@ class GPI(Operation): # pylint: disable=too-few-public-methods
phi (float): phase :math:`\phi`
wires (Sequence[int]): the subsystems the operation acts on
"""

num_params = 1
num_wires = 1
grad_method = None
Expand All @@ -53,6 +54,7 @@ class GPI2(Operation): # pylint: disable=too-few-public-methods
phi (float): phase :math:`\phi`
wires (Sequence[int]): the subsystems the operation acts on
"""

num_params = 1
num_wires = 1
grad_method = None
Expand All @@ -76,6 +78,7 @@ class MS(Operation): # pylint: disable=too-few-public-methods
phi1 (float): phase of the second qubit :math:`\phi`
wires (Sequence[int]): the subsystems the operation acts on
"""

num_params = 2
num_wires = 2
grad_method = None
Expand All @@ -101,6 +104,7 @@ class XX(Operation):
phi (float): rotation angle :math:`\phi`
wires (Sequence[int]): the subsystems the operation acts on
"""

num_params = 1
num_wires = 2
grad_method = "A"
Expand All @@ -123,6 +127,7 @@ class YY(Operation):
phi (float): rotation angle :math:`\phi`
wires (Sequence[int]): the subsystems the operation acts on
"""

num_params = 1
num_wires = 2
grad_method = "A"
Expand All @@ -145,6 +150,7 @@ class ZZ(Operation):
phi (float): rotation angle :math:`\phi`
wires (Sequence[int]): the subsystems the operation acts on
"""

num_params = 1
num_wires = 2
grad_method = "A"
1 change: 0 additions & 1 deletion tests/test_api_client.py
Original file line number Diff line number Diff line change
Expand Up @@ -358,7 +358,6 @@ def __init__(self, client=None, api_key=None):
res = WithID(api_key="test")
res.reload()


def test_create_created(self, monkeypatch):
"""
Tests a successful Job creatioin with a mock POST response. Asserts that all fields on
Expand Down
5 changes: 3 additions & 2 deletions tests/test_device.py
Original file line number Diff line number Diff line change
Expand Up @@ -218,11 +218,12 @@ def test_probability(self):
assert np.array_equal(dev.probability(shot_range=(0, 2)), [0, 0, 0, 1])

uniform_prob = [0.25] * 4
with patch("pennylane_ionq.device.SimulatorDevice.prob", new_callable=PropertyMock) as mock_prob:
with patch(
"pennylane_ionq.device.SimulatorDevice.prob", new_callable=PropertyMock
) as mock_prob:
mock_prob.return_value = uniform_prob
assert np.array_equal(dev.probability(), uniform_prob)


@pytest.mark.parametrize("backend", ["harmony", "aria-1", "aria-2", "forte-1", None])
def test_backend_initialization(self, backend):
"""Test that the device initializes with the correct backend."""
Expand Down
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