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testgroup
pytensor
Commits
15ba1e41
提交
15ba1e41
authored
8月 06, 2015
作者:
Iban Harlouchet
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电子邮件补丁
差异文件
numpydoc for theano/tensor/var.py
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ab2c91ce
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1 个修改的文件
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75 行增加
和
49 行删除
+75
-49
var.py
theano/tensor/var.py
+75
-49
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theano/tensor/var.py
浏览文件 @
15ba1e41
...
@@ -22,8 +22,9 @@ def equal_slices(s1, s2):
...
@@ -22,8 +22,9 @@ def equal_slices(s1, s2):
class
AsTensorError
(
TypeError
):
class
AsTensorError
(
TypeError
):
"""Raised when as_tensor_variable isn't able to create a
"""
TensorVariable.
Raised when as_tensor_variable isn't able to create a TensorVariable.
"""
"""
pass
pass
...
@@ -254,8 +255,9 @@ class _tensor_py_operators:
...
@@ -254,8 +255,9 @@ class _tensor_py_operators:
def
transpose
(
self
,
*
axes
):
def
transpose
(
self
,
*
axes
):
"""
"""
Return `tensor.transpose(self, axes)`
Returns
or `tensor.transpose(self, axes[0])`
-------
`tensor.transpose(self, axes)` or `tensor.transpose(self, axes[0])`.
If only one `axes` argument is provided and it is iterable, then it is
If only one `axes` argument is provided and it is iterable, then it is
assumed to be the entire axes tuple, and passed intact to
assumed to be the entire axes tuple, and passed intact to
...
@@ -298,16 +300,18 @@ class _tensor_py_operators:
...
@@ -298,16 +300,18 @@ class _tensor_py_operators:
def
reshape
(
self
,
shape
,
ndim
=
None
):
def
reshape
(
self
,
shape
,
ndim
=
None
):
"""Return a reshaped view/copy of this variable.
"""Return a reshaped view/copy of this variable.
:param shape: something that can be converted to a symbolic vector of
Parameters
integers
----------
shape
:param ndim: the length of the shape. Passing None here means for
Something that can be converted to a symbolic vector of integers.
theano to try and guess the length of `shape`.
ndim
The length of the shape. Passing None here means for
Theano to try and guess the length of `shape`.
* warning-- t
his has a different signature than numpy's
.. warning:: T
his has a different signature than numpy's
ndarray.reshape!
ndarray.reshape!
i
n numpy you do not need to wrap the shape arguments
I
n numpy you do not need to wrap the shape arguments
in a tuple, in theano you do need to
in a tuple, in theano you do need to.
"""
"""
...
@@ -323,21 +327,29 @@ class _tensor_py_operators:
...
@@ -323,21 +327,29 @@ class _tensor_py_operators:
Reorder the dimensions of this variable, optionally inserting
Reorder the dimensions of this variable, optionally inserting
broadcasted dimensions.
broadcasted dimensions.
:param pattern: list/tuple of int mixed with 'x' for broadcastable
Parameters
dimensions
----------
pattern
List/tuple of int mixed with 'x' for broadcastable dimensions.
Examples
--------
For example, to create a 3D view of a [2D] matrix, call
For example, to create a 3D view of a [2D] matrix, call
``dimshuffle([0,'x',1])``. This will create a 3D view such that the
``dimshuffle([0,'x',1])``. This will create a 3D view such that the
middle dimension is an implicit broadcasted dimension. To do the same
middle dimension is an implicit broadcasted dimension. To do the same
thing on the transpose of that matrix, call
thing on the transpose of that matrix, call ``dimshuffle([1, 'x', 0])``.
``dimshuffle([1, 'x', 0])``.
Notes
-----
This function supports the pattern passed as a tuple, or as a
This function supports the pattern passed as a tuple, or as a
variable-length argument (e.g. ``a.dimshuffle(pattern)`` is equivalent
variable-length argument (e.g. ``a.dimshuffle(pattern)`` is equivalent
to ``a.dimshuffle(*pattern)`` where ``pattern`` is a list/tuple of ints
to ``a.dimshuffle(*pattern)`` where ``pattern`` is a list/tuple of ints
mixed with 'x' characters).
mixed with 'x' characters).
For more information, see `DimShuffle`.
See Also
--------
DimShuffle
"""
"""
if
(
len
(
pattern
)
==
1
)
and
(
isinstance
(
pattern
[
0
],
(
list
,
tuple
))):
if
(
len
(
pattern
)
==
1
)
and
(
isinstance
(
pattern
[
0
],
(
list
,
tuple
))):
pattern
=
pattern
[
0
]
pattern
=
pattern
[
0
]
...
@@ -524,13 +536,17 @@ class _tensor_py_operators:
...
@@ -524,13 +536,17 @@ class _tensor_py_operators:
"""The rank of this tensor."""
"""The rank of this tensor."""
broadcastable
=
property
(
lambda
self
:
self
.
type
.
broadcastable
)
broadcastable
=
property
(
lambda
self
:
self
.
type
.
broadcastable
)
"""The broadcastable signature of this tensor.
"""
The broadcastable signature of this tensor.
See Also
--------
broadcasting
See :doc:`broadcasting` for details.
"""
"""
dtype
=
property
(
lambda
self
:
self
.
type
.
dtype
)
dtype
=
property
(
lambda
self
:
self
.
type
.
dtype
)
"""
The dtype of this tensor.
"""
"""
The dtype of this tensor.
"""
# extra pseudo-operator symbols
# extra pseudo-operator symbols
def
__dot__
(
left
,
right
):
def
__dot__
(
left
,
right
):
...
@@ -542,13 +558,13 @@ class _tensor_py_operators:
...
@@ -542,13 +558,13 @@ class _tensor_py_operators:
dot
=
__dot__
dot
=
__dot__
def
sum
(
self
,
axis
=
None
,
dtype
=
None
,
keepdims
=
False
,
acc_dtype
=
None
):
def
sum
(
self
,
axis
=
None
,
dtype
=
None
,
keepdims
=
False
,
acc_dtype
=
None
):
"""See `theano.tensor.sum`"""
"""See `theano.tensor.sum`
.
"""
return
theano
.
tensor
.
basic
.
sum
(
self
,
axis
=
axis
,
return
theano
.
tensor
.
basic
.
sum
(
self
,
axis
=
axis
,
dtype
=
dtype
,
keepdims
=
keepdims
,
dtype
=
dtype
,
keepdims
=
keepdims
,
acc_dtype
=
acc_dtype
)
acc_dtype
=
acc_dtype
)
def
prod
(
self
,
axis
=
None
,
dtype
=
None
,
keepdims
=
False
,
acc_dtype
=
None
):
def
prod
(
self
,
axis
=
None
,
dtype
=
None
,
keepdims
=
False
,
acc_dtype
=
None
):
"""See `theano.tensor.prod`"""
"""See `theano.tensor.prod`
.
"""
return
theano
.
tensor
.
basic
.
prod
(
self
,
axis
=
axis
,
return
theano
.
tensor
.
basic
.
prod
(
self
,
axis
=
axis
,
dtype
=
dtype
,
keepdims
=
keepdims
,
dtype
=
dtype
,
keepdims
=
keepdims
,
acc_dtype
=
acc_dtype
)
acc_dtype
=
acc_dtype
)
...
@@ -564,49 +580,49 @@ class _tensor_py_operators:
...
@@ -564,49 +580,49 @@ class _tensor_py_operators:
theano
.
tensor
.
basic
.
abs_
(
self
),
L
)
.
sum
(
axis
=
axis
),
1.0
/
L
)
theano
.
tensor
.
basic
.
abs_
(
self
),
L
)
.
sum
(
axis
=
axis
),
1.0
/
L
)
def
mean
(
self
,
axis
=
None
,
dtype
=
None
,
keepdims
=
False
,
acc_dtype
=
None
):
def
mean
(
self
,
axis
=
None
,
dtype
=
None
,
keepdims
=
False
,
acc_dtype
=
None
):
"""See `theano.tensor.mean`"""
"""See `theano.tensor.mean`
.
"""
return
theano
.
tensor
.
basic
.
mean
(
self
,
axis
=
axis
,
return
theano
.
tensor
.
basic
.
mean
(
self
,
axis
=
axis
,
dtype
=
dtype
,
keepdims
=
keepdims
,
dtype
=
dtype
,
keepdims
=
keepdims
,
acc_dtype
=
acc_dtype
)
acc_dtype
=
acc_dtype
)
def
var
(
self
,
axis
=
None
,
keepdims
=
False
):
def
var
(
self
,
axis
=
None
,
keepdims
=
False
):
"""See `theano.tensor.var`"""
"""See `theano.tensor.var`
.
"""
return
theano
.
tensor
.
basic
.
var
(
self
,
axis
,
keepdims
=
keepdims
)
return
theano
.
tensor
.
basic
.
var
(
self
,
axis
,
keepdims
=
keepdims
)
def
std
(
self
,
axis
=
None
,
keepdims
=
False
):
def
std
(
self
,
axis
=
None
,
keepdims
=
False
):
"""See `theano.tensor.std`"""
"""See `theano.tensor.std`
.
"""
return
theano
.
tensor
.
basic
.
std
(
self
,
axis
,
keepdims
=
keepdims
)
return
theano
.
tensor
.
basic
.
std
(
self
,
axis
,
keepdims
=
keepdims
)
def
min
(
self
,
axis
=
None
,
keepdims
=
False
):
def
min
(
self
,
axis
=
None
,
keepdims
=
False
):
"""See `theano.tensor.min`"""
"""See `theano.tensor.min`
.
"""
return
theano
.
tensor
.
basic
.
min
(
self
,
axis
,
keepdims
=
keepdims
)
return
theano
.
tensor
.
basic
.
min
(
self
,
axis
,
keepdims
=
keepdims
)
def
max
(
self
,
axis
=
None
,
keepdims
=
False
):
def
max
(
self
,
axis
=
None
,
keepdims
=
False
):
"""See `theano.tensor.max`"""
"""See `theano.tensor.max`
.
"""
return
theano
.
tensor
.
basic
.
max
(
self
,
axis
,
keepdims
=
keepdims
)
return
theano
.
tensor
.
basic
.
max
(
self
,
axis
,
keepdims
=
keepdims
)
def
argmin
(
self
,
axis
=
None
,
keepdims
=
False
):
def
argmin
(
self
,
axis
=
None
,
keepdims
=
False
):
"""See `theano.tensor.argmin`"""
"""See `theano.tensor.argmin`
.
"""
return
theano
.
tensor
.
basic
.
argmin
(
self
,
axis
,
keepdims
=
keepdims
)
return
theano
.
tensor
.
basic
.
argmin
(
self
,
axis
,
keepdims
=
keepdims
)
def
argmax
(
self
,
axis
=
None
,
keepdims
=
False
):
def
argmax
(
self
,
axis
=
None
,
keepdims
=
False
):
"""See `theano.tensor.argmax`"""
"""See `theano.tensor.argmax`
.
"""
return
theano
.
tensor
.
basic
.
argmax
(
self
,
axis
,
keepdims
=
keepdims
)
return
theano
.
tensor
.
basic
.
argmax
(
self
,
axis
,
keepdims
=
keepdims
)
def
nonzero
(
self
,
return_matrix
=
False
):
def
nonzero
(
self
,
return_matrix
=
False
):
"""See `theano.tensor.nonzero`"""
"""See `theano.tensor.nonzero`
.
"""
return
theano
.
tensor
.
basic
.
nonzero
(
self
,
return_matrix
=
return_matrix
)
return
theano
.
tensor
.
basic
.
nonzero
(
self
,
return_matrix
=
return_matrix
)
def
nonzero_values
(
self
):
def
nonzero_values
(
self
):
"""See `theano.tensor.nonzero_values`"""
"""See `theano.tensor.nonzero_values`
.
"""
return
theano
.
tensor
.
basic
.
nonzero_values
(
self
)
return
theano
.
tensor
.
basic
.
nonzero_values
(
self
)
def
sort
(
self
,
axis
=-
1
,
kind
=
'quicksort'
,
order
=
None
):
def
sort
(
self
,
axis
=-
1
,
kind
=
'quicksort'
,
order
=
None
):
"""See `theano.tensor.sort`"""
"""See `theano.tensor.sort`
.
"""
return
theano
.
tensor
.
sort
(
self
,
axis
,
kind
,
order
)
return
theano
.
tensor
.
sort
(
self
,
axis
,
kind
,
order
)
def
argsort
(
self
,
axis
=-
1
,
kind
=
'quicksort'
,
order
=
None
):
def
argsort
(
self
,
axis
=-
1
,
kind
=
'quicksort'
,
order
=
None
):
"""See `theano.tensor.argsort`"""
"""See `theano.tensor.argsort`
.
"""
return
theano
.
tensor
.
argsort
(
self
,
axis
,
kind
,
order
)
return
theano
.
tensor
.
argsort
(
self
,
axis
,
kind
,
order
)
def
clip
(
self
,
a_min
,
a_max
):
def
clip
(
self
,
a_min
,
a_max
):
...
@@ -614,17 +630,17 @@ class _tensor_py_operators:
...
@@ -614,17 +630,17 @@ class _tensor_py_operators:
return
theano
.
tensor
.
basic
.
clip
(
self
,
a_min
,
a_max
)
return
theano
.
tensor
.
basic
.
clip
(
self
,
a_min
,
a_max
)
def
conj
(
self
):
def
conj
(
self
):
"""See `theano.tensor.conj`"""
"""See `theano.tensor.conj`
.
"""
return
theano
.
tensor
.
basic
.
conj
(
self
)
return
theano
.
tensor
.
basic
.
conj
(
self
)
conjugate
=
conj
conjugate
=
conj
def
repeat
(
self
,
repeats
,
axis
=
None
):
def
repeat
(
self
,
repeats
,
axis
=
None
):
"""See `theano.tensor.repeat`"""
"""See `theano.tensor.repeat`
.
"""
return
theano
.
tensor
.
extra_ops
.
repeat
(
self
,
repeats
,
axis
)
return
theano
.
tensor
.
extra_ops
.
repeat
(
self
,
repeats
,
axis
)
def
round
(
self
,
mode
=
"half_away_from_zero"
):
def
round
(
self
,
mode
=
"half_away_from_zero"
):
"""See `theano.tensor.round`"""
"""See `theano.tensor.round`
.
"""
return
theano
.
tensor
.
basic
.
round
(
self
,
mode
)
return
theano
.
tensor
.
basic
.
round
(
self
,
mode
)
def
trace
(
self
):
def
trace
(
self
):
...
@@ -646,12 +662,13 @@ class _tensor_py_operators:
...
@@ -646,12 +662,13 @@ class _tensor_py_operators:
return
theano
.
tensor
.
extra_ops
.
cumprod
(
self
,
axis
)
return
theano
.
tensor
.
extra_ops
.
cumprod
(
self
,
axis
)
def
ptp
(
self
,
axis
=
None
):
def
ptp
(
self
,
axis
=
None
):
"""
see 'theano.tensor.ptp'
"""
"""
See 'theano.tensor.ptp'.
"""
return
theano
.
tensor
.
ptp
(
self
,
axis
)
return
theano
.
tensor
.
ptp
(
self
,
axis
)
def
swapaxes
(
self
,
axis1
,
axis2
):
def
swapaxes
(
self
,
axis1
,
axis2
):
"""Return 'tensor.swapaxes(self, axis1, axis2)
"""
Return 'tensor.swapaxes(self, axis1, axis2).
If a matrix is provided with the right axes, its transpose
If a matrix is provided with the right axes, its transpose
will be returned.
will be returned.
...
@@ -660,32 +677,38 @@ class _tensor_py_operators:
...
@@ -660,32 +677,38 @@ class _tensor_py_operators:
return
theano
.
tensor
.
basic
.
swapaxes
(
self
,
axis1
,
axis2
)
return
theano
.
tensor
.
basic
.
swapaxes
(
self
,
axis1
,
axis2
)
def
fill
(
self
,
value
):
def
fill
(
self
,
value
):
"""Fill inputted tensor with the assigned value"""
"""Fill inputted tensor with the assigned value
.
"""
return
theano
.
tensor
.
basic
.
fill
(
self
,
value
)
return
theano
.
tensor
.
basic
.
fill
(
self
,
value
)
def
choose
(
self
,
a
,
choices
,
out
=
None
,
mode
=
'raise'
):
def
choose
(
self
,
a
,
choices
,
out
=
None
,
mode
=
'raise'
):
"""Construct an array from an index array and a set of arrays to choose from."""
"""
Construct an array from an index array and a set of arrays to choose
from.
"""
return
theano
.
tensor
.
basic
.
choose
(
self
,
a
,
choices
,
out
=
None
,
return
theano
.
tensor
.
basic
.
choose
(
self
,
a
,
choices
,
out
=
None
,
mode
=
'raise'
)
mode
=
'raise'
)
def
squeeze
(
self
):
def
squeeze
(
self
):
"""Remove broadcastable dimensions from
"""
the shape of an array.
Remove broadcastable dimensions from the shape of an array.
It returns the input array, but with the broadcastable dimensions
removed. This is always `x` itself or a view into `x`.
It returns the input array, but with the
broadcastable dimensions removed. This is
always `x` itself or a view into `x`.
"""
"""
return
theano
.
tensor
.
extra_ops
.
squeeze
(
self
)
return
theano
.
tensor
.
extra_ops
.
squeeze
(
self
)
def
compress
(
self
,
a
,
axis
=
None
):
def
compress
(
self
,
a
,
axis
=
None
):
"""Return selected slices only
"""Return selected slices only."""
"""
return
theano
.
tensor
.
extra_ops
.
compress
(
self
,
a
,
axis
=
axis
)
return
theano
.
tensor
.
extra_ops
.
compress
(
self
,
a
,
axis
=
axis
)
class
TensorVariable
(
_tensor_py_operators
,
Variable
):
class
TensorVariable
(
_tensor_py_operators
,
Variable
):
"""Subclass to add the tensor operators to the basic `Variable` class."""
"""
Subclass to add the tensor operators to the basic `Variable` class.
"""
def
__init__
(
self
,
type
,
owner
=
None
,
index
=
None
,
name
=
None
):
def
__init__
(
self
,
type
,
owner
=
None
,
index
=
None
,
name
=
None
):
super
(
TensorVariable
,
self
)
.
__init__
(
type
,
owner
=
owner
,
super
(
TensorVariable
,
self
)
.
__init__
(
type
,
owner
=
owner
,
...
@@ -721,9 +744,11 @@ TensorType.Variable = TensorVariable
...
@@ -721,9 +744,11 @@ TensorType.Variable = TensorVariable
class
TensorConstantSignature
(
tuple
):
class
TensorConstantSignature
(
tuple
):
"""A Signature object for comparing TensorConstant instances
"""
A Signature object for comparing TensorConstant instances.
An instance is a pair: (Type instance, ndarray).
An instance is a pair: (Type instance, ndarray).
"""
"""
def
__eq__
(
self
,
other
):
def
__eq__
(
self
,
other
):
if
type
(
self
)
!=
type
(
other
):
if
type
(
self
)
!=
type
(
other
):
...
@@ -814,6 +839,7 @@ class TensorConstant(_tensor_py_operators, Constant):
...
@@ -814,6 +839,7 @@ class TensorConstant(_tensor_py_operators, Constant):
"""Subclass to add the tensor operators to the basic `Constant` class.
"""Subclass to add the tensor operators to the basic `Constant` class.
To create a TensorConstant, use the `constant` function in this module.
To create a TensorConstant, use the `constant` function in this module.
"""
"""
def
__init__
(
self
,
type
,
data
,
name
=
None
):
def
__init__
(
self
,
type
,
data
,
name
=
None
):
Constant
.
__init__
(
self
,
type
,
data
,
name
)
Constant
.
__init__
(
self
,
type
,
data
,
name
)
...
...
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