# Copyright 1999-2018 Alibaba Group Holding Ltd.
#
# 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
#
#      http://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.

from .abs import abs, DataFrameAbs
from .add import add, DataFrameAdd


def _install():
    from ..operands import DATAFRAME_TYPE
    from .add import add, radd
    for cls in DATAFRAME_TYPE:
        setattr(cls, '__add__', add)
        setattr(cls, '__radd__', radd)
        setattr(cls, 'add', add)
        setattr(cls, 'radd', radd)


_install()
del _install
