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mindspore/mindspore/_akg/ops/math/equal.py

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# 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: equal"""
import _akg.tvm
import _akg.topi
from _akg.utils.dsl_create import produce_shapes
from _akg.utils import validation_check as vc_util
@vc_util.check_input_type(_akg.tvm.tensor.Tensor, _akg.tvm.tensor.Tensor)
def equal(input1, input2):
"""
check whether input1 equals to input2.
Args:
input1 (tvm.tensor.Tensor): Tensor.
input2 (tvm.tensor.Tensor): Tensor.
Returns:
tvm.tensor.Tensor. If input1 equal to input2 return True, else return False.
"""
shape1 = [x.value for x in input1.shape]
shape2 = [x.value for x in input2.shape]
vc_util.check_shape(shape1)
vc_util.check_shape(shape2)
shape1, shape2, shape = produce_shapes(shape1, shape2)
vc_util.elemwise_dtype_check(input1.dtype, input2.dtype)
dtype = input1.dtype
# get equal compute
t_value = _akg.tvm.compute(shape, lambda *indice: _akg.tvm.const(1, dtype), "T")
f_value = _akg.tvm.compute(shape, lambda *indice: _akg.tvm.const(0, dtype), "F")
input1_bro = _akg.topi.broadcast_to(input1, shape)
input2_bro = _akg.topi.broadcast_to(input2, shape)
c_out = _akg.tvm.compute(shape, lambda *indice: _akg.tvm.expr.Select(input1_bro[indice] == input2_bro[indice],
t_value[indice], f_value[indice]), name="C")
res = _akg.tvm.compute(shape, lambda *indice: c_out(*indice).astype("bool"), name="res")
return res