Source code for mindspore.ops.operations.inner_ops

# Copyright 2020 Huawei Technologies Co., Ltd
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# Licensed under the Apache License, Version 2.0 (the "License");
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# http://www.apache.org/licenses/LICENSE-2.0
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"""inner_ops"""

import numbers
from ..._checkparam import Validator as validator
from ..._checkparam import Rel
from ...common.dtype import tensor, dtype_to_pytype
from ..primitive import prim_attr_register, PrimitiveWithInfer


[docs]class ScalarCast(PrimitiveWithInfer): """ Cast the input scalar to another type. Inputs: - **input_x** (scalar) - The input scalar. Only constant value is allowed. - **input_y** (mindspore.dtype) - The type should cast to be. Only constant value is allowed. Outputs: Scalar. The type is same as the python type corresponding to `input_y`. Examples: >>> scalar_cast = P.ScalarCast() >>> output = scalar_cast(255.0, mindspore.int32) """ @prim_attr_register def __init__(self): pass def __infer__(self, x, t): validator.check_integer('x shape', len(x['shape']), 0, Rel.EQ, self.name) value, to = x['value'], t['value'] if value is not None: validator.check_value_type("value", value, [numbers.Number, bool], self.name) if isinstance(to, type(tensor)): to = to.element_type() np_type = dtype_to_pytype(to) value = np_type(value) out = {'shape': x['shape'], 'dtype': t['value'], 'value': value} return out