# Copyright 2019 Huawei Technologies Co., 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.

"""operator dsl function:not_equal"""

import akg.tvm
from akg.utils import validation_check as vc_util

def not_equal(data1, data2):
    # check shapes
    vc_util.check_shape(data1.shape)
    vc_util.check_shape(data2.shape)

    # check types
    check_list = ["float16"]
    if not (data1.dtype.lower() in check_list):
        raise RuntimeError("not_equal only support %s while dtype is %s" % (",".join(check_list), data1.dtype))
    if not (data2.dtype.lower() in check_list):
        raise RuntimeError("not_equal only support %s while dtype is %s" % (",".join(check_list), data2.dtype))

    res = akg.topi.not_equal(data1, data2)
    return res
