Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
C
cython
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
0
Issues
0
List
Boards
Labels
Milestones
Merge Requests
0
Merge Requests
0
Analytics
Analytics
Repository
Value Stream
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Commits
Issue Boards
Open sidebar
Xavier Thompson
cython
Commits
b7e14b9a
Commit
b7e14b9a
authored
Aug 19, 2011
by
Mark Florisson
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
cimport cython in CyUtility, more tests, nogil slicing
parent
8105941c
Changes
10
Expand all
Hide whitespace changes
Inline
Side-by-side
Showing
10 changed files
with
561 additions
and
340 deletions
+561
-340
Cython/Compiler/Code.pxd
Cython/Compiler/Code.pxd
+2
-0
Cython/Compiler/CythonScope.py
Cython/Compiler/CythonScope.py
+10
-5
Cython/Compiler/ExprNodes.py
Cython/Compiler/ExprNodes.py
+14
-14
Cython/Compiler/MemoryView.py
Cython/Compiler/MemoryView.py
+64
-180
Cython/Compiler/UtilityCode.py
Cython/Compiler/UtilityCode.py
+10
-5
Cython/Utility/MemoryView.pyx
Cython/Utility/MemoryView.pyx
+218
-88
Cython/Utility/MemoryView_C.c
Cython/Utility/MemoryView_C.c
+2
-2
tests/run/memoryview.pyx
tests/run/memoryview.pyx
+112
-19
tests/run/memslice.pyx
tests/run/memslice.pyx
+113
-13
tests/run/numpy_memoryview.pyx
tests/run/numpy_memoryview.pyx
+16
-14
No files found.
Cython/Compiler/Code.pxd
View file @
b7e14b9a
...
...
@@ -13,6 +13,8 @@ cdef class UtilityCode(UtilityCodeBase):
cdef
public
dict
_cache
cdef
public
list
specialize_list
cdef
public
object
proto_block
cdef
public
object
name
cdef
public
object
file
cpdef
put_code
(
self
,
output
)
...
...
Cython/Compiler/CythonScope.py
View file @
b7e14b9a
...
...
@@ -75,10 +75,13 @@ class CythonScope(ModuleScope):
Creates some entries for testing purposes and entries for
cython.array() and for cython.view.*.
"""
cython_testscope_utility_code
.
declare_in_scope
(
self
)
cython_test_extclass_utility_code
.
declare_in_scope
(
self
)
cython_testscope_utility_code
.
declare_in_scope
(
self
,
cython_scope
=
self
)
cython_test_extclass_utility_code
.
declare_in_scope
(
self
,
cython_scope
=
self
)
MemoryView
.
cython_array_utility_code
.
declare_in_scope
(
self
)
MemoryView
.
cython_array_utility_code
.
declare_in_scope
(
self
,
cython_scope
=
self
)
#
# The view sub-scope
...
...
@@ -88,9 +91,11 @@ class CythonScope(ModuleScope):
viewscope
.
is_cython_builtin
=
True
viewscope
.
pxd_file_loaded
=
True
cythonview_testscope_utility_code
.
declare_in_scope
(
viewscope
)
cythonview_testscope_utility_code
.
declare_in_scope
(
viewscope
,
cython_scope
=
self
)
view_utility_scope
=
MemoryView
.
view_utility_code
.
declare_in_scope
(
viewscope
)
view_utility_scope
=
MemoryView
.
view_utility_code
.
declare_in_scope
(
viewscope
,
cython_scope
=
self
)
# MemoryView.memview_fromslice_utility_code.from_scope = view_utility_scope
# MemoryView.memview_fromslice_utility_code.declare_in_scope(viewscope)
...
...
Cython/Compiler/ExprNodes.py
View file @
b7e14b9a
...
...
@@ -2432,7 +2432,8 @@ class IndexNode(ExprNode):
import
MemoryView
skip_child_analysis
=
True
indices
=
MemoryView
.
unellipsify
(
indices
,
self
.
base
.
type
.
ndim
)
have_slices
,
indices
=
MemoryView
.
unellipsify
(
indices
,
self
.
base
.
type
.
ndim
)
self
.
memslice_index
=
len
(
indices
)
==
self
.
base
.
type
.
ndim
axes
=
[]
...
...
@@ -2462,24 +2463,19 @@ class IndexNode(ExprNode):
value
=
getattr
(
index
,
attr
)
if
not
value
.
is_none
:
value
=
value
.
coerce_to
(
index_type
,
env
)
value
=
value
.
coerce_to_temp
(
env
)
#
value = value.coerce_to_temp(env)
setattr
(
index
,
attr
,
value
)
new_indices
.
append
(
value
)
elif
index
.
type
.
is_int
:
self
.
memslice_index
=
True
index
=
index
.
coerce_to
(
index_type
,
env
).
coerce_to_temp
(
index_type
)
index
=
index
.
coerce_to
(
index_type
,
env
)
\
#.coerce_to_temp(
# index_type)
indices
[
i
]
=
index
new_indices
.
append
(
index
)
if
access
in
(
'ptr'
,
'generic'
)
and
i
!=
0
:
# If this dimension is to disappear, then how do we
# indicate that we need to dereference in this dimension
# if the previous dimension is already indirect, or if
# the previous dimension was direct but also indexed?
# Basically only a[i, j, k, :] can work, as you can
# set the base pointer to start in the fourth dimension
if
access
in
(
'ptr'
,
'generic'
)
and
i
!=
0
and
have_slices
:
self
.
type
=
error_type
return
error
(
index
.
pos
,
"Indexing of non-leading indirect or generic "
...
...
@@ -2494,6 +2490,8 @@ class IndexNode(ExprNode):
self
.
original_indices
=
indices
self
.
indices
=
new_indices
self
.
env
=
env
elif
self
.
base
.
type
.
is_buffer
:
# Buffer indexing
if
len
(
indices
)
==
self
.
base
.
type
.
ndim
:
...
...
@@ -2893,7 +2891,8 @@ class IndexNode(ExprNode):
self
.
original_indices
,
self
.
base
.
type
,
self
.
type
,
self
.
result
())
self
.
result
(),
have_gil
=
not
self
.
env
.
nogil
)
def
put_nonecheck
(
self
,
code
):
code
.
globalstate
.
use_utility_code
(
raise_noneindex_error_utility_code
)
...
...
@@ -4092,8 +4091,9 @@ class AttributeNode(ExprNode):
def
nogil_check
(
self
,
env
):
if
self
.
is_py_attr
:
self
.
gil_error
()
import
MemoryView
MemoryView
.
err_if_nogil_initialized_check
(
self
.
pos
,
env
,
'attribute'
)
elif
self
.
type
.
is_memoryviewslice
:
import
MemoryView
MemoryView
.
err_if_nogil_initialized_check
(
self
.
pos
,
env
,
'attribute'
)
gil_message
=
"Accessing Python attribute"
...
...
Cython/Compiler/MemoryView.py
View file @
b7e14b9a
This diff is collapsed.
Click to expand it.
Cython/Compiler/UtilityCode.py
View file @
b7e14b9a
...
...
@@ -9,6 +9,7 @@ class NonManglingModuleScope(Symtab.ModuleScope):
def
__init__
(
self
,
prefix
,
*
args
,
**
kw
):
self
.
prefix
=
prefix
self
.
cython_scope
=
None
Symtab
.
ModuleScope
.
__init__
(
self
,
*
args
,
**
kw
)
def
add_imported_entry
(
self
,
name
,
entry
,
pos
):
...
...
@@ -31,9 +32,12 @@ class CythonUtilityCodeContext(StringParseContext):
def
find_module
(
self
,
module_name
,
relative_to
=
None
,
pos
=
None
,
need_pxd
=
1
):
if
module_name
!=
self
.
module_name
:
raise
AssertionError
(
"Not yet supporting any cimports/includes "
"from string code snippets"
)
if
module_name
not
in
self
.
modules
:
raise
AssertionError
(
"Only the cython cimport is supported."
)
else
:
return
self
.
modules
[
module_name
]
if
self
.
scope
is
None
:
self
.
scope
=
NonManglingModuleScope
(
self
.
prefix
,
...
...
@@ -78,7 +82,7 @@ class CythonUtilityCode(Code.UtilityCodeBase):
self
.
requires
=
requires
or
[]
self
.
from_scope
=
from_scope
def
get_tree
(
self
,
entries_only
=
False
):
def
get_tree
(
self
,
entries_only
=
False
,
cython_scope
=
None
):
from
AnalysedTreeTransforms
import
AutoTestDictTransform
# The AutoTestDictTransform creates the statement "__test__ = {}",
# which when copied into the main ModuleNode overwrites
...
...
@@ -88,6 +92,7 @@ class CythonUtilityCode(Code.UtilityCodeBase):
import
Pipeline
,
ParseTreeTransforms
context
=
CythonUtilityCodeContext
(
self
.
name
)
context
.
prefix
=
self
.
prefix
context
.
cython_scope
=
cython_scope
#context = StringParseContext(self.name)
tree
=
parse_from_strings
(
self
.
name
,
self
.
impl
,
context
=
context
,
allow_struct_enum_decorator
=
True
)
...
...
@@ -125,13 +130,13 @@ class CythonUtilityCode(Code.UtilityCodeBase):
def
put_code
(
self
,
output
):
pass
def
declare_in_scope
(
self
,
dest_scope
,
used
=
False
):
def
declare_in_scope
(
self
,
dest_scope
,
used
=
False
,
cython_scope
=
None
):
"""
Declare all entries from the utility code in dest_scope. Code will only
be included for used entries. If module_name is given, declare the
type entries with that name.
"""
tree
=
self
.
get_tree
(
entries_only
=
True
)
tree
=
self
.
get_tree
(
entries_only
=
True
,
cython_scope
=
cython_scope
)
entries
=
tree
.
scope
.
entries
entries
.
pop
(
'__name__'
)
...
...
Cython/Utility/MemoryView.pyx
View file @
b7e14b9a
This diff is collapsed.
Click to expand it.
Cython/Utility/MemoryView_C.c
View file @
b7e14b9a
...
...
@@ -284,7 +284,7 @@ static CYTHON_INLINE void __Pyx_INC_MEMVIEW({{memviewslice_name}} *memslice,
if
(
!
memview
)
return
;
/* allow uninitialized memoryview assignment */
if
(
memview
->
acquisition_count
<
=
0
)
if
(
memview
->
acquisition_count
<
0
)
__pyx_fatalerror
(
"Acquisition count is %d (line %d)"
,
memview
->
acquisition_count
,
lineno
);
...
...
@@ -463,4 +463,4 @@ int {{set_function}}(const char *itemp, PyObject *obj) {
Py_DECREF
(
*
(
PyObject
**
)
itemp
);
*
(
PyObject
**
)
itemp
=
obj
;
return
1
;
}
\ No newline at end of file
}
tests/run/memoryview.pyx
View file @
b7e14b9a
...
...
@@ -588,40 +588,122 @@ def assign_temporary_to_object(object[:] mslice):
buf
=
mslice
buf
[
1
]
=
{
3
-
2
:
2
+
(
2
*
4
)
-
2
}
def
test_slicing
(
arg
):
def
print_int_offsets
(
*
args
):
for
item
in
args
:
print
item
/
sizeof
(
int
),
print
def
test_generic_slicing
(
arg
):
"""
Test simple slicing
>>> test_slicing(IntMockBuffer("A", range(8 * 14 * 11), shape=(8, 14, 11)))
>>> test_
generic_
slicing(IntMockBuffer("A", range(8 * 14 * 11), shape=(8, 14, 11)))
acquired A
3 9 2
1232 -44 4
(3, 9, 2)
308 -11 1
-1 -1 -1
released A
Test direct slicing, negative slice oob in dim 2
>>> test_slicing(IntMockBuffer("A", range(1 * 2 * 3), shape=(1, 2, 3)))
>>> test_
generic_
slicing(IntMockBuffer("A", range(1 * 2 * 3), shape=(1, 2, 3)))
acquired A
0 0 2
48 -12 4
(0, 0, 2)
12 -3 1
-1 -1 -1
released A
Test indirect slicing
>>> L = [[range(k * 12 + j * 4, k * 12 + j * 4 + 4) for j in xrange(3)] for k in xrange(5)]
>>> test_slicing(IntMockBuffer("A", L, shape=(5, 3, 4)))
>>> test_
generic_
slicing(IntMockBuffer("A", L, shape=(5, 3, 4)))
acquired A
2 0 2
8 -4 4
0 0 -1
(2, 0, 2)
0 1 -1
released A
>>> stride1 = 21 * 14
>>> stride2 = 21
>>> L = [[range(k * stride1 + j * stride2, k * stride1 + j * stride2 + 21) for j in xrange(14)] for k in xrange(9)]
>>> test_generic_slicing(IntMockBuffer("A", L, shape=(9, 14, 21)))
acquired A
(3, 9, 2)
20 1 -1
released A
"""
cdef
int
[::
view
.
generic
,
::
view
.
generic
,
:]
_a
=
arg
a
=
_a
b
=
a
[
2
:
8
:
2
,
-
4
:
1
:
-
1
,
1
:
3
]
print
b
.
shape
[
0
],
b
.
shape
[
1
],
b
.
shape
[
2
]
print
b
.
strides
[
0
],
b
.
strides
[
1
],
b
.
strides
[
2
]
print
b
.
suboffsets
[
0
],
b
.
suboffsets
[
1
],
b
.
suboffsets
[
2
]
print
b
.
shape
if
b
.
suboffsets
[
0
]
<
0
:
print_int_offsets
(
*
b
.
strides
)
print_int_offsets
(
*
b
.
suboffsets
)
cdef
int
i
,
j
,
k
for
i
in
range
(
b
.
shape
[
0
]):
for
j
in
range
(
b
.
shape
[
1
]):
for
k
in
range
(
b
.
shape
[
2
]):
itemA
=
a
[
2
+
2
*
i
,
-
4
-
j
,
1
+
k
]
itemB
=
b
[
i
,
j
,
k
]
assert
itemA
==
itemB
,
(
i
,
j
,
k
,
itemA
,
itemB
)
def
test_indirect_slicing
(
arg
):
"""
Test indirect slicing
>>> L = [[range(k * 12 + j * 4, k * 12 + j * 4 + 4) for j in xrange(3)] for k in xrange(5)]
>>> test_indirect_slicing(IntMockBuffer("A", L, shape=(5, 3, 4)))
acquired A
(5, 3, 2)
0 0 -1
58
released A
>>> stride1 = 21 * 14
>>> stride2 = 21
>>> L = [[range(k * stride1 + j * stride2, k * stride1 + j * stride2 + 21) for j in xrange(14)] for k in xrange(9)]
>>> test_indirect_slicing(IntMockBuffer("A", L, shape=(9, 14, 21)))
acquired A
(5, 14, 3)
0 16 -1
2412
released A
"""
cdef
int
[::
view
.
indirect
,
::
view
.
indirect
,
:]
_a
=
arg
a
=
_a
b
=
a
[
-
5
:,
...,
-
5
:
100
:
2
]
print
b
.
shape
print_int_offsets
(
*
b
.
suboffsets
)
print
b
[
4
,
2
,
1
]
def
test_direct_slicing
(
arg
):
"""
Fused types would be convenient to test this stuff!
Test simple slicing
>>> test_direct_slicing(IntMockBuffer("A", range(8 * 14 * 11), shape=(8, 14, 11)))
acquired A
(3, 9, 2)
308 -11 1
-1 -1 -1
released A
Test direct slicing, negative slice oob in dim 2
>>> test_direct_slicing(IntMockBuffer("A", range(1 * 2 * 3), shape=(1, 2, 3)))
acquired A
(0, 0, 2)
12 -3 1
-1 -1 -1
released A
"""
cdef
int
[:,
:,
:]
_a
=
arg
a
=
_a
b
=
a
[
2
:
8
:
2
,
-
4
:
1
:
-
1
,
1
:
3
]
print
b
.
shape
print_int_offsets
(
*
b
.
strides
)
print_int_offsets
(
*
b
.
suboffsets
)
cdef
int
i
,
j
,
k
for
i
in
range
(
b
.
shape
[
0
]):
...
...
@@ -631,13 +713,14 @@ def test_slicing(arg):
itemB
=
b
[
i
,
j
,
k
]
assert
itemA
==
itemB
,
(
i
,
j
,
k
,
itemA
,
itemB
)
def
test_slicing_and_indexing
(
arg
):
"""
>>> a = IntStridedMockBuffer("A", range(10 * 3 * 5), shape=(10, 3, 5))
>>> test_slicing_and_indexing(a)
acquired A
5 2
60 8
(5, 2)
15 2
126 113
[111]
released A
...
...
@@ -648,8 +731,8 @@ def test_slicing_and_indexing(arg):
c
=
b
[
4
:
1
:
-
1
,
::
-
1
]
d
=
c
[
2
,
1
:
2
]
print
b
.
shape
[
0
],
b
.
shape
[
1
]
print
b
.
strides
[
0
],
b
.
strides
[
1
]
print
b
.
shape
print
_int_offsets
(
*
b
.
strides
)
cdef
int
i
,
j
for
i
in
range
(
b
.
shape
[
0
]):
...
...
@@ -659,4 +742,14 @@ def test_slicing_and_indexing(arg):
assert
itemA
==
itemB
,
(
i
,
j
,
itemA
,
itemB
)
print
c
[
1
,
1
],
c
[
2
,
0
]
print
[
d
[
i
]
for
i
in
range
(
d
.
shape
[
0
])]
\ No newline at end of file
print
[
d
[
i
]
for
i
in
range
(
d
.
shape
[
0
])]
def
test_oob
():
"""
>>> test_oob()
Traceback (most recent call last):
...
IndexError: Index out of bounds (axis 1)
"""
cdef
int
[:,
:]
a
=
IntMockBuffer
(
"A"
,
range
(
4
*
9
),
shape
=
(
4
,
9
))
print
a
[:,
20
]
tests/run/memslice.pyx
View file @
b7e14b9a
...
...
@@ -2,6 +2,7 @@
from
__future__
import
unicode_literals
cimport
cython
from
cython
cimport
view
__test__
=
{}
...
...
@@ -1158,40 +1159,127 @@ def test_cdef_function2():
cdef
_function2
(
global_A
,
global_B
)
def
print_int_offsets
(
*
args
):
for
item
in
args
:
print
item
/
sizeof
(
int
),
print
@
testcase
def
test_slicing
(
arg
):
def
test_
generic_
slicing
(
arg
):
"""
Test simple slicing
>>> test_slicing(IntMockBuffer("A", range(8 * 14 * 11), shape=(8, 14, 11)))
>>> test_
generic_
slicing(IntMockBuffer("A", range(8 * 14 * 11), shape=(8, 14, 11)))
acquired A
3 9 2
1232 -44 4
308 -11 1
-1 -1 -1
released A
Test direct slicing, negative slice oob in dim 2
>>> test_slicing(IntMockBuffer("A", range(1 * 2 * 3), shape=(1, 2, 3)))
>>> test_
generic_
slicing(IntMockBuffer("A", range(1 * 2 * 3), shape=(1, 2, 3)))
acquired A
0 0 2
48 -12 4
12 -3 1
-1 -1 -1
released A
Test indirect slicing
>>> L = [[range(k * 12 + j * 4, k * 12 + j * 4 + 4) for j in xrange(3)] for k in xrange(5)]
>>> test_slicing(IntMockBuffer("A", L, shape=(5, 3, 4)))
>>> test_
generic_
slicing(IntMockBuffer("A", L, shape=(5, 3, 4)))
acquired A
2 0 2
8 -4 4
0 0 -1
0 1 -1
released A
>>> stride1 = 21 * 14
>>> stride2 = 21
>>> L = [[range(k * stride1 + j * stride2, k * stride1 + j * stride2 + 21) for j in xrange(14)] for k in xrange(9)]
>>> test_generic_slicing(IntMockBuffer("A", L, shape=(9, 14, 21)))
acquired A
3 9 2
20 1 -1
released A
"""
cdef
int
[::
view
.
generic
,
::
view
.
generic
,
:]
a
=
arg
cdef
int
[::
view
.
generic
,
::
view
.
generic
,
:]
b
=
a
[
2
:
8
:
2
,
-
4
:
1
:
-
1
,
1
:
3
]
print
b
.
shape
[
0
],
b
.
shape
[
1
],
b
.
shape
[
2
]
print
b
.
strides
[
0
],
b
.
strides
[
1
],
b
.
strides
[
2
]
print
b
.
suboffsets
[
0
],
b
.
suboffsets
[
1
],
b
.
suboffsets
[
2
]
if
b
.
suboffsets
[
0
]
<
0
:
print_int_offsets
(
b
.
strides
[
0
],
b
.
strides
[
1
],
b
.
strides
[
2
])
print_int_offsets
(
b
.
suboffsets
[
0
],
b
.
suboffsets
[
1
],
b
.
suboffsets
[
2
])
cdef
int
i
,
j
,
k
for
i
in
range
(
b
.
shape
[
0
]):
for
j
in
range
(
b
.
shape
[
1
]):
for
k
in
range
(
b
.
shape
[
2
]):
itemA
=
a
[
2
+
2
*
i
,
-
4
-
j
,
1
+
k
]
itemB
=
b
[
i
,
j
,
k
]
assert
itemA
==
itemB
,
(
i
,
j
,
k
,
itemA
,
itemB
)
@
testcase
def
test_indirect_slicing
(
arg
):
"""
Test indirect slicing
>>> L = [[range(k * 12 + j * 4, k * 12 + j * 4 + 4) for j in xrange(3)] for k in xrange(5)]
>>> test_indirect_slicing(IntMockBuffer("A", L, shape=(5, 3, 4)))
acquired A
5 3 2
0 0 -1
58
56
released A
>>> stride1 = 21 * 14
>>> stride2 = 21
>>> L = [[range(k * stride1 + j * stride2, k * stride1 + j * stride2 + 21) for j in xrange(14)] for k in xrange(9)]
>>> test_indirect_slicing(IntMockBuffer("A", L, shape=(9, 14, 21)))
acquired A
5 14 3
0 16 -1
2412
2410
released A
"""
cdef
int
[::
view
.
indirect
,
::
view
.
indirect
,
:]
a
=
arg
cdef
int
[::
view
.
indirect
,
::
view
.
indirect
,
:]
b
=
a
[
-
5
:,
...,
-
5
:
100
:
2
]
cdef
int
[::
view
.
indirect
,
::
view
.
indirect
]
c
=
b
[...,
0
]
print
b
.
shape
[
0
],
b
.
shape
[
1
],
b
.
shape
[
2
]
print_int_offsets
(
b
.
suboffsets
[
0
],
b
.
suboffsets
[
1
],
b
.
suboffsets
[
2
])
print
b
[
4
,
2
,
1
]
print
c
[
4
,
2
]
@
testcase
def
test_direct_slicing
(
arg
):
"""
Fused types would be convenient to test this stuff!
Test simple slicing
>>> test_direct_slicing(IntMockBuffer("A", range(8 * 14 * 11), shape=(8, 14, 11)))
acquired A
3 9 2
308 -11 1
-1 -1 -1
released A
Test direct slicing, negative slice oob in dim 2
>>> test_direct_slicing(IntMockBuffer("A", range(1 * 2 * 3), shape=(1, 2, 3)))
acquired A
0 0 2
12 -3 1
-1 -1 -1
released A
"""
cdef
int
[:,
:,
::
1
]
a
=
arg
cdef
int
[:,
:,
:]
b
=
a
[
2
:
8
:
2
,
-
4
:
1
:
-
1
,
1
:
3
]
print
b
.
shape
[
0
],
b
.
shape
[
1
],
b
.
shape
[
2
]
print_int_offsets
(
b
.
strides
[
0
],
b
.
strides
[
1
],
b
.
strides
[
2
])
print_int_offsets
(
b
.
suboffsets
[
0
],
b
.
suboffsets
[
1
],
b
.
suboffsets
[
2
])
cdef
int
i
,
j
,
k
for
i
in
range
(
b
.
shape
[
0
]):
...
...
@@ -1208,7 +1296,7 @@ def test_slicing_and_indexing(arg):
>>> test_slicing_and_indexing(a)
acquired A
5 2
60 8
15 2
126 113
[111]
released A
...
...
@@ -1219,7 +1307,7 @@ def test_slicing_and_indexing(arg):
cdef
int
[:]
d
=
c
[
2
,
1
:
2
]
print
b
.
shape
[
0
],
b
.
shape
[
1
]
print
b
.
strides
[
0
],
b
.
strides
[
1
]
print
_int_offsets
(
b
.
strides
[
0
],
b
.
strides
[
1
])
cdef
int
i
,
j
for
i
in
range
(
b
.
shape
[
0
]):
...
...
@@ -1229,4 +1317,16 @@ def test_slicing_and_indexing(arg):
assert
itemA
==
itemB
,
(
i
,
j
,
itemA
,
itemB
)
print
c
[
1
,
1
],
c
[
2
,
0
]
print
[
d
[
i
]
for
i
in
range
(
d
.
shape
[
0
])]
\ No newline at end of file
print
[
d
[
i
]
for
i
in
range
(
d
.
shape
[
0
])]
@
testcase
def
test_oob
():
"""
>>> test_oob()
Traceback (most recent call last):
...
IndexError: Index out of bounds (axis 1)
"""
cdef
int
[:,
:]
a
=
IntMockBuffer
(
"A"
,
range
(
4
*
9
),
shape
=
(
4
,
9
))
print
a
[:,
20
]
tests/run/numpy_memoryview.pyx
View file @
b7e14b9a
...
...
@@ -6,13 +6,15 @@ Test slicing for memoryviews and memoryviewslices
"""
cimport
numpy
as
np
import
numpy
import
numpy
as
np
ctypedef
np
.
int32_t
dtype_t
def
get_array
():
# We need to type our array to get a __pyx_get_buffer() that typechecks
# for np.ndarray and calls __getbuffer__ in numpy.pxd
cdef
np
.
ndarray
[
in
t
,
ndim
=
3
]
a
a
=
n
umpy
.
arange
(
8
*
14
*
11
).
reshape
(
8
,
14
,
11
)
cdef
np
.
ndarray
[
dtype_
t
,
ndim
=
3
]
a
a
=
n
p
.
arange
(
8
*
14
*
11
,
dtype
=
np
.
int32
).
reshape
(
8
,
14
,
11
)
return
a
a
=
get_array
()
...
...
@@ -31,11 +33,11 @@ def test_partial_slicing(array):
"""
>>> test_partial_slicing(a)
"""
cdef
in
t
[:,
:,
:]
a
=
array
cdef
dtype_
t
[:,
:,
:]
a
=
array
obj
=
array
[
4
]
cdef
in
t
[:,
:]
b
=
a
[
4
,
:]
cdef
in
t
[:,
:]
c
=
a
[
4
]
cdef
dtype_
t
[:,
:]
b
=
a
[
4
,
:]
cdef
dtype_
t
[:,
:]
c
=
a
[
4
]
ae
(
b
.
shape
[
0
],
c
.
shape
[
0
],
obj
.
shape
[
0
])
ae
(
b
.
shape
[
1
],
c
.
shape
[
1
],
obj
.
shape
[
1
])
...
...
@@ -46,15 +48,15 @@ def test_ellipsis(array):
"""
>>> test_ellipsis(a)
"""
cdef
in
t
[:,
:,
:]
a
=
array
cdef
dtype_
t
[:,
:,
:]
a
=
array
cdef
in
t
[:,
:]
b
=
a
[...,
4
]
cdef
dtype_
t
[:,
:]
b
=
a
[...,
4
]
b_obj
=
array
[...,
4
]
cdef
in
t
[:,
:]
c
=
a
[
4
,
...]
cdef
dtype_
t
[:,
:]
c
=
a
[
4
,
...]
c_obj
=
array
[
4
,
...]
cdef
in
t
[:,
:]
d
=
a
[
2
:
8
,
...,
2
]
cdef
dtype_
t
[:,
:]
d
=
a
[
2
:
8
,
...,
2
]
d_obj
=
array
[
2
:
8
,
...,
2
]
ae
(
tuple
([
b
.
shape
[
i
]
for
i
in
range
(
2
)]),
b_obj
.
shape
)
...
...
@@ -75,7 +77,7 @@ def test_ellipsis(array):
for
j
in
range
(
d
.
shape
[
1
]):
ae
(
d
[
i
,
j
],
d_obj
[
i
,
j
])
cdef
in
t
[:]
e
=
a
[...,
5
,
6
]
cdef
dtype_
t
[:]
e
=
a
[...,
5
,
6
]
e_obj
=
array
[...,
5
,
6
]
ae
(
e
.
shape
[
0
],
e_obj
.
shape
[
0
])
ae
(
e
.
strides
[
0
],
e_obj
.
strides
[
0
])
...
...
@@ -88,7 +90,7 @@ def test_partial_slicing_memoryview(array):
"""
>>> test_partial_slicing_memoryview(a)
"""
cdef
in
t
[:,
:,
:]
_a
=
array
cdef
dtype_
t
[:,
:,
:]
_a
=
array
a
=
_a
obj
=
array
[
4
]
...
...
@@ -104,7 +106,7 @@ def test_ellipsis_memoryview(array):
"""
>>> test_ellipsis_memoryview(a)
"""
cdef
in
t
[:,
:,
:]
_a
=
array
cdef
dtype_
t
[:,
:,
:]
_a
=
array
a
=
_a
b
=
a
[...,
4
]
...
...
@@ -137,4 +139,4 @@ def test_ellipsis_memoryview(array):
e
=
a
[...,
5
,
6
]
e_obj
=
array
[...,
5
,
6
]
ae
(
e
.
shape
[
0
],
e_obj
.
shape
[
0
])
ae
(
e
.
strides
[
0
],
e_obj
.
strides
[
0
])
\ No newline at end of file
ae
(
e
.
strides
[
0
],
e_obj
.
strides
[
0
])
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment