# Copyright 2019 The Cirq Developers
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import abc
from typing import Any, Dict, List, TYPE_CHECKING
import numpy as np

from cirq import protocols
from cirq.value import big_endian_int_to_digits, linear_dict

if TYPE_CHECKING:
    import cirq


class StabilizerState(metaclass=abc.ABCMeta):
    """Interface for quantum stabilizer state representations.

    This interface is used for CliffordTableau and StabilizerChForm quantum
    state representations, allowing simulators to act on them abstractly.
    """

    @abc.abstractmethod
    def apply_x(self, axis: int, exponent: float = 1, global_shift: float = 0):