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- # Copyright 2020 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: sqrt"""
- import akg.topi
- import akg.tvm
- from akg.utils import validation_check as vc_util
-
-
- @vc_util.check_input_type(akg.tvm.tensor.Tensor)
- def sqrt(data):
- """
- Computes square root of x element-wise.
-
- Args:
- data (tvm.tensor.Tensor): Tensor of type float16, float32.
-
- Returns:
- tvm.tensor.Tensor, has same type and shape as data.
- """
- check_list = ["float16", "float32"]
- dtype = data.dtype
- if not dtype in check_list:
- raise RuntimeError("Sqrt cce only support %s while dtype is %s" % (
- ",".join(check_list), dtype))
-
- shape = [x.value for x in data.shape]
- vc_util.check_shape(shape)
-
- res = akg.topi.sqrt(data)
- return res
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