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!2365 fix parameter cast issue 

Merge pull request !2365 from wangqiuliang/fix-parameter-cast-issue
This commit is contained in:
mindspore-ci-bot 2020-06-20 14:36:33 +08:00 committed by Gitee
parent f3f95b255b 396c18b92b
commit f8020f1814
1 changed files with 6 additions and 1 deletions
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7
mindspore/ops/operations/array_ops.py
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@ -28,6 +28,7 @@ from ..._checkparam import Validator as validator
from ..._checkparam import Rel
from ...common import dtype as mstype
from ...common.tensor import Tensor
from ...common.parameter import Parameter
from ..operations.math_ops import _infer_shape_reduce
from .._utils import get_concat_offset
from ..primitive import Primitive, PrimitiveWithInfer, prim_attr_register, _run_op
@ -186,11 +187,15 @@ class Cast(PrimitiveWithInfer):
self.init_prim_io_names(inputs=['x', 'dst_type'], outputs=['output'])
def check_elim(self, x, dtype):
if isinstance(x, (Tensor, numbers.Number)):
if isinstance(x, (Tensor, numbers.Number, Parameter)):
if isinstance(x, Tensor) and x.dtype == dtype:
return (True, x)
if isinstance(x, numbers.Number):
return (True, Tensor(x, dtype=dtype))
if isinstance(x, Parameter):
data = x.default_input
if data.dtype == dtype:
return (True, x)
return (False, None)
raise ValueError(f"Expecting (Tensor, dtype), got : ({x}, {dtype})")