Skip to content
项目
群组
代码片段
帮助
当前项目
正在载入...
登录 / 注册
切换导航面板
P
pytensor
项目
项目
详情
活动
周期分析
仓库
仓库
文件
提交
分支
标签
贡献者
图表
比较
统计图
议题
0
议题
0
列表
看板
标记
里程碑
合并请求
0
合并请求
0
CI / CD
CI / CD
流水线
作业
日程
统计图
Wiki
Wiki
代码片段
代码片段
成员
成员
折叠边栏
关闭边栏
活动
图像
聊天
创建新问题
作业
提交
问题看板
Open sidebar
testgroup
pytensor
Commits
3179ca7a
提交
3179ca7a
authored
9月 11, 2012
作者:
Ian Goodfellow
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
pep8 tensor/basic.py
上级
fd08055e
显示空白字符变更
内嵌
并排
正在显示
1 个修改的文件
包含
19 行增加
和
22 行删除
+19
-22
basic.py
theano/tensor/basic.py
+19
-22
没有找到文件。
theano/tensor/basic.py
浏览文件 @
3179ca7a
...
@@ -474,7 +474,6 @@ def get_constant_value(v):
...
@@ -474,7 +474,6 @@ def get_constant_value(v):
code, but I'm not sure where it is.
code, but I'm not sure where it is.
"""
"""
if
isinstance
(
v
,
Constant
):
if
isinstance
(
v
,
Constant
):
if
getattr
(
v
.
tag
,
'unique_value'
,
None
)
is
not
None
:
if
getattr
(
v
.
tag
,
'unique_value'
,
None
)
is
not
None
:
data
=
v
.
tag
.
unique_value
data
=
v
.
tag
.
unique_value
...
@@ -483,7 +482,7 @@ def get_constant_value(v):
...
@@ -483,7 +482,7 @@ def get_constant_value(v):
# handle case where data is numpy.array([])
# handle case where data is numpy.array([])
if
hasattr
(
data
,
'shape'
)
and
len
(
data
.
shape
)
==
0
or
\
if
hasattr
(
data
,
'shape'
)
and
len
(
data
.
shape
)
==
0
or
\
__builtins__
[
'max'
](
data
.
shape
)
==
0
:
__builtins__
[
'max'
](
data
.
shape
)
==
0
:
assert
numpy
.
all
(
numpy
.
array
([])
==
data
)
assert
numpy
.
all
(
numpy
.
array
([])
==
data
)
return
data
return
data
try
:
try
:
numpy
.
complex
(
data
)
# works for all numeric scalars
numpy
.
complex
(
data
)
# works for all numeric scalars
...
@@ -2126,7 +2125,7 @@ class Shape(Op):
...
@@ -2126,7 +2125,7 @@ class Shape(Op):
# the elements of the tensor variable do not participate
# the elements of the tensor variable do not participate
# in the computation of the shape, so they are not really
# in the computation of the shape, so they are not really
# part of the graph
# part of the graph
return
[
DisconnectedType
()()
]
return
[
DisconnectedType
()()
]
def
R_op
(
self
,
inputs
,
eval_points
):
def
R_op
(
self
,
inputs
,
eval_points
):
return
[
None
]
return
[
None
]
...
@@ -2209,7 +2208,7 @@ class SpecifyShape(Op):
...
@@ -2209,7 +2208,7 @@ class SpecifyShape(Op):
return
[
new_shape
]
return
[
new_shape
]
def
connection_pattern
(
self
,
node
):
def
connection_pattern
(
self
,
node
):
return
[[
True
],[
False
]]
return
[[
True
],
[
False
]]
def
grad
(
self
,
inp
,
grads
):
def
grad
(
self
,
inp
,
grads
):
x
,
s
=
inp
x
,
s
=
inp
...
@@ -3121,7 +3120,6 @@ class Alloc(gof.Op):
...
@@ -3121,7 +3120,6 @@ class Alloc(gof.Op):
def
infer_shape
(
self
,
node
,
input_shapes
):
def
infer_shape
(
self
,
node
,
input_shapes
):
return
[
node
.
inputs
[
1
:]]
return
[
node
.
inputs
[
1
:]]
def
connection_pattern
(
self
,
node
):
def
connection_pattern
(
self
,
node
):
rval
=
[[
True
]]
rval
=
[[
True
]]
...
@@ -3810,7 +3808,6 @@ class Subtensor(Op):
...
@@ -3810,7 +3808,6 @@ class Subtensor(Op):
else
:
else
:
return
scal
.
as_scalar
(
a
)
return
scal
.
as_scalar
(
a
)
def
make_node
(
self
,
x
,
*
inputs
):
def
make_node
(
self
,
x
,
*
inputs
):
x
=
as_tensor_variable
(
x
)
x
=
as_tensor_variable
(
x
)
inputs
=
tuple
(
self
.
my_as_scalar
(
a
)
for
a
in
inputs
)
inputs
=
tuple
(
self
.
my_as_scalar
(
a
)
for
a
in
inputs
)
...
@@ -3908,7 +3905,7 @@ class Subtensor(Op):
...
@@ -3908,7 +3905,7 @@ class Subtensor(Op):
def
connection_pattern
(
self
,
node
):
def
connection_pattern
(
self
,
node
):
rval
=
[
[
True
]
]
rval
=
[
[
True
]
]
for
ipt
in
node
.
inputs
[
1
:]:
for
ipt
in
node
.
inputs
[
1
:]:
rval
.
append
([
False
])
rval
.
append
([
False
])
...
@@ -4569,7 +4566,7 @@ class IncSubtensor(Op):
...
@@ -4569,7 +4566,7 @@ class IncSubtensor(Op):
def
connection_pattern
(
self
,
node
):
def
connection_pattern
(
self
,
node
):
rval
=
[
[
True
],
[
True
]
]
rval
=
[
[
True
],
[
True
]
]
for
ipt
in
node
.
inputs
[
2
:]:
for
ipt
in
node
.
inputs
[
2
:]:
rval
.
append
([
False
])
rval
.
append
([
False
])
...
@@ -4979,7 +4976,7 @@ class Join(Op):
...
@@ -4979,7 +4976,7 @@ class Join(Op):
gz
,
=
grads
gz
,
=
grads
axis
,
tensors
=
axis_and_tensors
[
0
],
axis_and_tensors
[
1
:]
axis
,
tensors
=
axis_and_tensors
[
0
],
axis_and_tensors
[
1
:]
rval
=
[
grad_undefined
(
self
,
0
,
axis
)
]
rval
=
[
grad_undefined
(
self
,
0
,
axis
)
]
if
'float'
in
tensors
[
0
]
.
dtype
or
'complex'
in
tensors
[
0
]
.
dtype
:
if
'float'
in
tensors
[
0
]
.
dtype
or
'complex'
in
tensors
[
0
]
.
dtype
:
# assume that this is differentiable
# assume that this is differentiable
...
@@ -4994,7 +4991,7 @@ class Join(Op):
...
@@ -4994,7 +4991,7 @@ class Join(Op):
else
:
else
:
# the output has integer type, so the gradient through it
# the output has integer type, so the gradient through it
# is 0
# is 0
rval
=
rval
+
[
tensor
.
zeros_like
()
for
tensor
in
tensors
]
rval
=
rval
+
[
tensor
.
zeros_like
()
for
tensor
in
tensors
]
return
rval
return
rval
...
@@ -5239,6 +5236,7 @@ def vertical_stack(*args):
...
@@ -5239,6 +5236,7 @@ def vertical_stack(*args):
assert
arg
.
type
.
ndim
==
2
assert
arg
.
type
.
ndim
==
2
return
concatenate
(
args
,
axis
=
0
)
return
concatenate
(
args
,
axis
=
0
)
class
Reshape
(
Op
):
class
Reshape
(
Op
):
"""Perform a reshape operation of the input x to the new shape shp.
"""Perform a reshape operation of the input x to the new shape shp.
...
@@ -5657,7 +5655,7 @@ class ARange(Op):
...
@@ -5657,7 +5655,7 @@ class ARange(Op):
def
connection_pattern
(
self
,
node
):
def
connection_pattern
(
self
,
node
):
return
[
[
True
],
[
False
],
[
True
]
]
return
[
[
True
],
[
False
],
[
True
]
]
def
grad
(
self
,
inputs
,
grads
):
def
grad
(
self
,
inputs
,
grads
):
start
,
stop
,
step
=
inputs
start
,
stop
,
step
=
inputs
...
@@ -5667,9 +5665,9 @@ class ARange(Op):
...
@@ -5667,9 +5665,9 @@ class ARange(Op):
# no gradient through them
# no gradient through them
# stop does not affect the output values,
# stop does not affect the output values,
# just the output shape, so it is disconnected
# just the output shape, so it is disconnected
return
[
start
.
zeros_like
(),
return
[
start
.
zeros_like
(),
DisconnectedType
()(),
DisconnectedType
()(),
step
.
zeros_like
()
]
step
.
zeros_like
()]
def
R_op
(
self
,
inputs
,
eval_points
):
def
R_op
(
self
,
inputs
,
eval_points
):
return
[
None
]
return
[
None
]
...
@@ -5903,8 +5901,8 @@ class PermuteRowElements(Op):
...
@@ -5903,8 +5901,8 @@ class PermuteRowElements(Op):
# are non-integer, so the gradient with respect to them is
# are non-integer, so the gradient with respect to them is
# undefined
# undefined
return
[
gx
,
grad_undefined
(
self
,
1
,
y
),
return
[
gx
,
grad_undefined
(
self
,
1
,
y
),
grad_undefined
(
self
,
1
,
inverse
)]
grad_undefined
(
self
,
1
,
inverse
)]
_permute_row_elements
=
PermuteRowElements
()
_permute_row_elements
=
PermuteRowElements
()
...
@@ -5970,10 +5968,10 @@ class AdvancedSubtensor1(Op):
...
@@ -5970,10 +5968,10 @@ class AdvancedSubtensor1(Op):
def
connection_pattern
(
self
,
node
):
def
connection_pattern
(
self
,
node
):
rval
=
[
[
True
]
]
rval
=
[
[
True
]
]
for
ipt
in
node
.
inputs
[
1
:]:
for
ipt
in
node
.
inputs
[
1
:]:
rval
.
append
([
False
])
rval
.
append
([
False
])
return
rval
return
rval
...
@@ -6081,10 +6079,9 @@ class AdvancedIncSubtensor1(Op):
...
@@ -6081,10 +6079,9 @@ class AdvancedIncSubtensor1(Op):
return
self
.
make_node
(
eval_points
[
0
],
eval_points
[
1
],
return
self
.
make_node
(
eval_points
[
0
],
eval_points
[
1
],
*
inputs
[
2
:])
.
outputs
*
inputs
[
2
:])
.
outputs
def
connection_pattern
(
self
,
node
):
def
connection_pattern
(
self
,
node
):
rval
=
[[
True
],
[
True
]
]
rval
=
[[
True
],
[
True
]]
for
ipt
in
node
.
inputs
[
2
:]:
for
ipt
in
node
.
inputs
[
2
:]:
rval
.
append
([
False
])
rval
.
append
([
False
])
...
@@ -6099,7 +6096,7 @@ class AdvancedIncSubtensor1(Op):
...
@@ -6099,7 +6096,7 @@ class AdvancedIncSubtensor1(Op):
gx
=
g_output
gx
=
g_output
gy
=
advanced_subtensor1
(
g_output
,
*
idx_list
)
gy
=
advanced_subtensor1
(
g_output
,
*
idx_list
)
return
[
gx
,
gy
]
+
[
DisconnectedType
()()]
*
len
(
idx_list
)
return
[
gx
,
gy
]
+
[
DisconnectedType
()()]
*
len
(
idx_list
)
advanced_inc_subtensor1
=
AdvancedIncSubtensor1
()
advanced_inc_subtensor1
=
AdvancedIncSubtensor1
()
...
@@ -6190,7 +6187,7 @@ class AdvancedSubtensor(Op):
...
@@ -6190,7 +6187,7 @@ class AdvancedSubtensor(Op):
def
connection_pattern
(
self
,
node
):
def
connection_pattern
(
self
,
node
):
rval
=
[
[
True
]
]
rval
=
[
[
True
]
]
for
ipt
in
node
.
inputs
[
1
:]:
for
ipt
in
node
.
inputs
[
1
:]:
rval
.
append
([
False
])
rval
.
append
([
False
])
...
@@ -6290,7 +6287,7 @@ class AdvancedIncSubtensor(Op):
...
@@ -6290,7 +6287,7 @@ class AdvancedIncSubtensor(Op):
def
connection_pattern
(
self
,
node
):
def
connection_pattern
(
self
,
node
):
rval
=
[
[
True
],
[
True
]
]
rval
=
[
[
True
],
[
True
]
]
for
ipt
in
node
.
inputs
[
2
:]:
for
ipt
in
node
.
inputs
[
2
:]:
rval
.
append
([
False
])
rval
.
append
([
False
])
...
...
编写
预览
Markdown
格式
0%
重试
或
添加新文件
添加附件
取消
您添加了
0
人
到此讨论。请谨慎行事。
请先完成此评论的编辑!
取消
请
注册
或者
登录
后发表评论