Source code for xorbits._mars.tensor.arithmetic.positive
# Copyright 2022-2023 XProbe Inc.
# derived from copyright 1999-2021 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.
import numpy as np
from ... import opcodes as OperandDef
from ..utils import infer_dtype
from .core import TensorUnaryOp
from .utils import arithmetic_operand
@arithmetic_operand(sparse_mode="unary")
class TensorPositive(TensorUnaryOp):
_op_type_ = OperandDef.POSITIVE
_func_name = "positive"
[docs]@infer_dtype(np.positive)
def positive(x, out=None, where=None, **kwargs):
"""
Numerical positive, element-wise.
Parameters
----------
x : array_like or scalar
Input tensor.
Returns
-------
y : Tensor or scalar
Returned array or scalar: `y = +x`.
"""
op = TensorPositive(**kwargs)
return op(x, out=out, where=where)