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Boxiang Sun
cython
Commits
ddc455d5
Commit
ddc455d5
authored
Jul 28, 2008
by
Dag Sverre Seljebotn
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Very basic indirect/suboffset testcase... it is working! (buffer stuff)
parent
5949fc5d
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44 additions
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19 deletions
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-19
tests/run/bufaccess.pyx
tests/run/bufaccess.pyx
+44
-19
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tests/run/bufaccess.pyx
View file @
ddc455d5
...
...
@@ -293,24 +293,6 @@ def tuple_buffer_assignment2(tup):
cdef
object
[
int
]
x
,
y
x
,
y
=
tup
@
testcase
def
printbuf_int_2d
(
o
,
shape
):
"""
>>> printbuf_int_2d(C, (2,3))
acquired C
0 1 2
3 4 5
released C
"""
# should make shape builtin
cdef
object
[
int
,
2
]
buf
buf
=
o
cdef
int
i
,
j
for
i
in
range
(
shape
[
0
]):
for
j
in
range
(
shape
[
1
]):
print
buf
[
i
,
j
],
print
@
testcase
def
get_int_2d
(
object
[
int
,
2
]
buf
,
int
i
,
int
j
):
"""
...
...
@@ -441,6 +423,46 @@ TODO
uc
[
0
]
=
<
int
>
3.14
print
uc
[
0
]
#
# Testing that accessing data using various types of buffer access
# all works.
#
@
testcase
def
printbuf_int_2d
(
o
,
shape
):
"""
Strided:
>>> printbuf_int_2d(IntMockBuffer("A", range(6), (2,3)), (2,3))
acquired A
0 1 2
3 4 5
released A
>>> printbuf_int_2d(IntMockBuffer("A", range(100), (3,3), strides=(20,5)), (3,3))
acquired A
0 5 10
20 25 30
40 45 50
released A
Indirect:
>>> printbuf_int_2d(IntMockBuffer("A", [[1,2],[3,4]]), (2,2))
acquired A
1 2
3 4
released A
"""
# should make shape builtin
cdef
object
[
int
,
2
]
buf
buf
=
o
cdef
int
i
,
j
for
i
in
range
(
shape
[
0
]):
for
j
in
range
(
shape
[
1
]):
print
buf
[
i
,
j
],
print
@
testcase
def
printbuf_float
(
o
,
shape
):
"""
...
...
@@ -510,7 +532,11 @@ cdef class MockBuffer:
self
.
ndim
=
len
(
datashape
)
shape
=
datashape
self
.
buffer
=
self
.
create_indirect_buffer
(
data
,
shape
)
suboffsets
=
[
0
]
*
(
self
.
ndim
-
1
)
+
[
-
1
]
strides
=
[
sizeof
(
void
*
)]
*
(
self
.
ndim
-
1
)
+
[
self
.
itemsize
]
self
.
suboffsets
=
self
.
list_to_sizebuf
(
suboffsets
)
# printf("%ld; %ld %ld %ld %ld %ld", i0, s0, o0, i1, s1, o1);
else
:
# strided and/or simple access
self
.
buffer
=
self
.
create_buffer
(
data
)
...
...
@@ -542,7 +568,6 @@ cdef class MockBuffer:
cdef
void
*
create_indirect_buffer
(
self
,
data
,
shape
):
cdef
void
**
buf
assert
shape
[
0
]
==
len
(
data
)
if
len
(
shape
)
==
1
:
return
self
.
create_buffer
(
data
)
...
...
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