1# Copyright 2018 The Cirq Developers
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#     https://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14"""A combination of several optimizations targeting XmonDevice."""
15from typing import Callable, cast, Optional, TYPE_CHECKING
16
17import cirq
18from cirq_google.optimizers import optimized_for_sycamore
19
20if TYPE_CHECKING:
21    import cirq_google
22
23
24def optimized_for_xmon(
25    circuit: cirq.Circuit,
26    new_device: Optional['cirq_google.XmonDevice'] = None,
27    qubit_map: Callable[[cirq.Qid], cirq.GridQubit] = lambda e: cast(cirq.GridQubit, e),
28    allow_partial_czs: bool = False,
29) -> cirq.Circuit:
30    if allow_partial_czs:
31        return optimized_for_sycamore(
32            circuit, new_device=new_device, qubit_map=qubit_map, optimizer_type='xmon_partial_cz'
33        )
34    else:
35        return optimized_for_sycamore(
36            circuit, new_device=new_device, qubit_map=qubit_map, optimizer_type='xmon'
37        )
38