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Gwenaël Samain
cython
Commits
d125223d
Commit
d125223d
authored
May 14, 2009
by
Dag Sverre Seljebotn
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Buffer support for complex numbers
parent
f8e7386d
Changes
3
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3 changed files
with
24 additions
and
3 deletions
+24
-3
Cython/Compiler/Buffer.py
Cython/Compiler/Buffer.py
+1
-1
Cython/Compiler/PyrexTypes.py
Cython/Compiler/PyrexTypes.py
+1
-1
tests/run/bufaccess.pyx
tests/run/bufaccess.pyx
+22
-1
No files found.
Cython/Compiler/Buffer.py
View file @
d125223d
...
@@ -635,7 +635,7 @@ def get_type_information_cname(code, dtype, maxdepth=None):
...
@@ -635,7 +635,7 @@ def get_type_information_cname(code, dtype, maxdepth=None):
typegroup
=
'U'
typegroup
=
'U'
else
:
else
:
typegroup
=
'I'
typegroup
=
'I'
elif
complex_possible
:
elif
complex_possible
or
dtype
.
is_complex
:
typegroup
=
'C'
typegroup
=
'C'
elif
dtype
.
is_float
:
elif
dtype
.
is_float
:
typegroup
=
'R'
typegroup
=
'R'
...
...
Cython/Compiler/PyrexTypes.py
View file @
d125223d
...
@@ -142,7 +142,7 @@ class PyrexType(BaseType):
...
@@ -142,7 +142,7 @@ class PyrexType(BaseType):
return
1
return
1
def
is_simple_buffer_dtype
(
self
):
def
is_simple_buffer_dtype
(
self
):
return
(
self
.
is_int
or
self
.
is_float
or
self
.
is_pyobject
or
return
(
self
.
is_int
or
self
.
is_float
or
self
.
is_
complex
or
self
.
is_
pyobject
or
self
.
is_extension_type
or
self
.
is_ptr
)
self
.
is_extension_type
or
self
.
is_ptr
)
def
struct_nesting_depth
(
self
):
def
struct_nesting_depth
(
self
):
...
...
tests/run/bufaccess.pyx
View file @
d125223d
...
@@ -1333,10 +1333,31 @@ cdef class LongComplexMockBuffer(MockBuffer):
...
@@ -1333,10 +1333,31 @@ cdef class LongComplexMockBuffer(MockBuffer):
cdef
get_itemsize
(
self
):
return
sizeof
(
LongComplex
)
cdef
get_itemsize
(
self
):
return
sizeof
(
LongComplex
)
cdef
get_default_format
(
self
):
return
b"Zg"
cdef
get_default_format
(
self
):
return
b"Zg"
#cdef extern from "complex.h":
# pass
@
testcase
def
complex_dtype
(
object
[
long
double
complex
]
buf
):
"""
>>> complex_dtype(LongComplexMockBuffer(None, [(0, -1)]))
-1j
"""
print
buf
[
0
]
@
testcase
def
complex_inplace
(
object
[
long
double
complex
]
buf
):
"""
>>> complex_inplace(LongComplexMockBuffer(None, [(0, -1)]))
(1+1j)
"""
buf
[
0
]
=
buf
[
0
]
+
1
+
2j
print
buf
[
0
]
@
testcase
@
testcase
def
complex_struct_dtype
(
object
[
LongComplex
]
buf
):
def
complex_struct_dtype
(
object
[
LongComplex
]
buf
):
"""
"""
Note that the format string is "Zg" rather than "2g"...
Note that the format string is "Zg" rather than "2g", yet a struct
is accessed.
>>> complex_struct_dtype(LongComplexMockBuffer(None, [(0, -1)]))
>>> complex_struct_dtype(LongComplexMockBuffer(None, [(0, -1)]))
0.0 -1.0
0.0 -1.0
"""
"""
...
...
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