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体验新版 GitCode,发现更多精彩内容 >>
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2c1e2caa
编写于
6月 12, 2018
作者:
Q
qiaolongfei
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python/paddle/fluid/layers/control_flow.py
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python/paddle/fluid/layers/control_flow.py
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...
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@@ -60,15 +60,14 @@ def split_lod_tensor(input, mask, level=0):
This function takes in an input that contains the complete lod information,
and takes in a mask which is used to mask certain parts of the input.
The output is the true branch and the false branch with the mask applied to
the input at a certain level in the tensor.
Mainly used in IfElse to split data into two parts. Related API: IfElse.
the input at a certain level in the tensor. Mainly used in IfElse to split
data into two parts.
Args:
input(tuple|list|None): The input tensor that contains complete
lod information needed to construct the output.
mask(list): A bool column vector which masks the input.
level(int): The specific lod level to
rank
.
level(int): The specific lod level to
split
.
Returns:
Variable: The true branch of tensor as per the mask applied to input.
...
...
@@ -108,8 +107,9 @@ def merge_lod_tensor(in_true, in_false, x, mask, level=0):
This function takes in an input :math:`x`, the True branch, the False
branch and a binary :math:`mask`. Using this information, this function
merges the True and False branches of the tensor into a single Output
at a certain lod level indiacted by :math:`level`.
merges the True and False branches of the tensor into a single tensor as
output at a certain lod level indicated by :math:`level`. Used in IfElse
to merge the output if True block and False Block.
Args:
in_true(tuple|list|None): The True branch to be merged.
...
...
@@ -117,7 +117,7 @@ def merge_lod_tensor(in_true, in_false, x, mask, level=0):
x(tuple|list|None): The input tensor that contains complete
lod information needed to construct the output.
mask(list): A bool column vector which masks the input.
level(int): The specific lod level to
rank
.
level(int): The specific lod level to
merge
.
Returns:
Variable: The merged output tensor.
...
...
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