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83 lines
2.5 KiB
83 lines
2.5 KiB
# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# TODO: define framework api
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from paddle.fluid.layer_helper_base import LayerHelperBase
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from paddle.fluid.data_feeder import convert_dtype
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import numpy as np
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__all__ = ['set_default_dtype', 'get_default_dtype']
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def set_default_dtype(d):
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"""
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Set default dtype. The default dtype is initially float32
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Args:
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d(string|np.dtype): the dtype to make the default. It only
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supports float16, float32 and float64.
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Returns:
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None.
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Examples:
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.. code-block:: python
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import paddle
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paddle.set_default_dtype("float32")
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"""
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if isinstance(d, type):
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if d in [np.float16, np.float32, np.float64]:
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d = d.__name__
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else:
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raise TypeError(
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"set_default_dtype only supports [float16, float32, float64] "
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", but received %s" % d.__name__)
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else:
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if d in [
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'float16', 'float32', 'float64', u'float16', u'float32',
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u'float64'
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]:
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# this code is a little bit dangerous, since error could happen
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# when casting no-ascii code to str in python2.
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# but since the set itself is limited, so currently, it is good.
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# however, jointly supporting python2 and python3, (as well as python4 maybe)
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# may still be a long-lasting problem.
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d = str(d)
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else:
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raise TypeError(
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"set_default_dtype only supports [float16, float32, float64] "
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", but received %s" % str(d))
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LayerHelperBase.set_default_dtype(d)
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def get_default_dtype():
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"""
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Get the current default dtype. The default dtype is initially float32.
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Args:
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None.
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Returns:
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The default dtype.
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Examples:
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.. code-block:: python
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import paddle
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paddle.get_default_dtype()
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"""
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return LayerHelperBase.get_default_dtype()
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