qiskit.opflow.evolutions.trotterizations.trotter のソースコード

# This code is part of Qiskit.
#
# (C) Copyright IBM 2020, 2023.
#
# This code is licensed under the Apache License, Version 2.0. You may
# obtain a copy of this license in the LICENSE.txt file in the root directory
# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
#
# Any modifications or derivative works of this code must retain this
# copyright notice, and modified files need to carry a notice indicating
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"""Trotter Class"""

from qiskit.opflow.evolutions.trotterizations.suzuki import Suzuki
from qiskit.utils.deprecation import deprecate_func


class Trotter(Suzuki):
    r"""
    Deprecated: Simple Trotter expansion, composing the evolution circuits of each Operator in the sum
    together ``reps`` times and dividing the evolution time of each by ``reps``.
    """

    @deprecate_func(
        since="0.24.0",
        additional_msg="For code migration guidelines, visit https://qisk.it/opflow_migration.",
    )
    def __init__(self, reps: int = 1) -> None:
        r"""
        Args:
            reps: The number of times to repeat the Trotterization circuit.
        """
        super().__init__(order=1, reps=reps)