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Batuhan Osman TASKAYA
cpython
Commits
a72f0cda
Kaydet (Commit)
a72f0cda
authored
Haz 23, 2015
tarafından
Antoine Pitrou
Dosyalara gözat
Seçenekler
Dosyalara Gözat
İndir
Sade Fark
Issue #24489: ensure a previously set C errno doesn't disturb cmath.polar().
üst
5376ba96
6bc217dd
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4 changed files
with
58 additions
and
11 deletions
+58
-11
test_cmath.py
Lib/test/test_cmath.py
+41
-10
NEWS
Misc/NEWS
+2
-0
_testcapimodule.c
Modules/_testcapimodule.c
+13
-0
cmathmodule.c
Modules/cmathmodule.c
+2
-1
No files found.
Lib/test/test_cmath.py
Dosyayı görüntüle @
a72f0cda
from
test.support
import
requires_IEEE_754
from
test.support
import
requires_IEEE_754
,
cpython_only
from
test.test_math
import
parse_testfile
,
test_file
from
test.test_math
import
parse_testfile
,
test_file
import
test.test_math
as
test_math
import
test.test_math
as
test_math
import
unittest
import
unittest
...
@@ -382,17 +382,48 @@ class CMathTests(unittest.TestCase):
...
@@ -382,17 +382,48 @@ class CMathTests(unittest.TestCase):
self
.
rAssertAlmostEqual
(
expected
.
imag
,
actual
.
imag
,
self
.
rAssertAlmostEqual
(
expected
.
imag
,
actual
.
imag
,
msg
=
error_message
)
msg
=
error_message
)
def
assertCISEqual
(
self
,
a
,
b
):
def
check_polar
(
self
,
func
):
eps
=
1E-7
def
check
(
arg
,
expected
):
if
abs
(
a
[
0
]
-
b
[
0
])
>
eps
or
abs
(
a
[
1
]
-
b
[
1
])
>
eps
:
got
=
func
(
arg
)
self
.
fail
((
a
,
b
))
for
e
,
g
in
zip
(
expected
,
got
):
self
.
rAssertAlmostEqual
(
e
,
g
)
check
(
0
,
(
0.
,
0.
))
check
(
1
,
(
1.
,
0.
))
check
(
-
1
,
(
1.
,
pi
))
check
(
1
j
,
(
1.
,
pi
/
2
))
check
(
-
3
j
,
(
3.
,
-
pi
/
2
))
inf
=
float
(
'inf'
)
check
(
complex
(
inf
,
0
),
(
inf
,
0.
))
check
(
complex
(
-
inf
,
0
),
(
inf
,
pi
))
check
(
complex
(
3
,
inf
),
(
inf
,
pi
/
2
))
check
(
complex
(
5
,
-
inf
),
(
inf
,
-
pi
/
2
))
check
(
complex
(
inf
,
inf
),
(
inf
,
pi
/
4
))
check
(
complex
(
inf
,
-
inf
),
(
inf
,
-
pi
/
4
))
check
(
complex
(
-
inf
,
inf
),
(
inf
,
3
*
pi
/
4
))
check
(
complex
(
-
inf
,
-
inf
),
(
inf
,
-
3
*
pi
/
4
))
nan
=
float
(
'nan'
)
check
(
complex
(
nan
,
0
),
(
nan
,
nan
))
check
(
complex
(
0
,
nan
),
(
nan
,
nan
))
check
(
complex
(
nan
,
nan
),
(
nan
,
nan
))
check
(
complex
(
inf
,
nan
),
(
inf
,
nan
))
check
(
complex
(
-
inf
,
nan
),
(
inf
,
nan
))
check
(
complex
(
nan
,
inf
),
(
inf
,
nan
))
check
(
complex
(
nan
,
-
inf
),
(
inf
,
nan
))
def
test_polar
(
self
):
def
test_polar
(
self
):
self
.
assertCISEqual
(
polar
(
0
),
(
0.
,
0.
))
self
.
check_polar
(
polar
)
self
.
assertCISEqual
(
polar
(
1.
),
(
1.
,
0.
))
self
.
assertCISEqual
(
polar
(
-
1.
),
(
1.
,
pi
))
@cpython_only
self
.
assertCISEqual
(
polar
(
1
j
),
(
1.
,
pi
/
2
))
def
test_polar_errno
(
self
):
self
.
assertCISEqual
(
polar
(
-
1
j
),
(
1.
,
-
pi
/
2
))
# Issue #24489: check a previously set C errno doesn't disturb polar()
from
_testcapi
import
set_errno
def
polar_with_errno_set
(
z
):
set_errno
(
11
)
try
:
return
polar
(
z
)
finally
:
set_errno
(
0
)
self
.
check_polar
(
polar_with_errno_set
)
def
test_phase
(
self
):
def
test_phase
(
self
):
self
.
assertAlmostEqual
(
phase
(
0
),
0.
)
self
.
assertAlmostEqual
(
phase
(
0
),
0.
)
...
...
Misc/NEWS
Dosyayı görüntüle @
a72f0cda
...
@@ -24,6 +24,8 @@ Core and Builtins
...
@@ -24,6 +24,8 @@ Core and Builtins
Library
Library
-------
-------
-
Issue
#
24489
:
ensure
a
previously
set
C
errno
doesn
't disturb cmath.polar().
- Issue #24408: Fixed AttributeError in measure() and metrics() methods of
- Issue #24408: Fixed AttributeError in measure() and metrics() methods of
tkinter.Font.
tkinter.Font.
...
...
Modules/_testcapimodule.c
Dosyayı görüntüle @
a72f0cda
...
@@ -1795,6 +1795,18 @@ raise_exception(PyObject *self, PyObject *args)
...
@@ -1795,6 +1795,18 @@ raise_exception(PyObject *self, PyObject *args)
return
NULL
;
return
NULL
;
}
}
static
PyObject
*
set_errno
(
PyObject
*
self
,
PyObject
*
args
)
{
int
new_errno
;
if
(
!
PyArg_ParseTuple
(
args
,
"i:set_errno"
,
&
new_errno
))
return
NULL
;
errno
=
new_errno
;
Py_RETURN_NONE
;
}
static
PyObject
*
static
PyObject
*
test_set_exc_info
(
PyObject
*
self
,
PyObject
*
args
)
test_set_exc_info
(
PyObject
*
self
,
PyObject
*
args
)
{
{
...
@@ -3510,6 +3522,7 @@ test_PyTime_AsMicroseconds(PyObject *self, PyObject *args)
...
@@ -3510,6 +3522,7 @@ test_PyTime_AsMicroseconds(PyObject *self, PyObject *args)
static
PyMethodDef
TestMethods
[]
=
{
static
PyMethodDef
TestMethods
[]
=
{
{
"raise_exception"
,
raise_exception
,
METH_VARARGS
},
{
"raise_exception"
,
raise_exception
,
METH_VARARGS
},
{
"raise_memoryerror"
,
(
PyCFunction
)
raise_memoryerror
,
METH_NOARGS
},
{
"raise_memoryerror"
,
(
PyCFunction
)
raise_memoryerror
,
METH_NOARGS
},
{
"set_errno"
,
set_errno
,
METH_VARARGS
},
{
"test_config"
,
(
PyCFunction
)
test_config
,
METH_NOARGS
},
{
"test_config"
,
(
PyCFunction
)
test_config
,
METH_NOARGS
},
{
"test_sizeof_c_types"
,
(
PyCFunction
)
test_sizeof_c_types
,
METH_NOARGS
},
{
"test_sizeof_c_types"
,
(
PyCFunction
)
test_sizeof_c_types
,
METH_NOARGS
},
{
"test_datetime_capi"
,
test_datetime_capi
,
METH_NOARGS
},
{
"test_datetime_capi"
,
test_datetime_capi
,
METH_NOARGS
},
...
...
Modules/cmathmodule.c
Dosyayı görüntüle @
a72f0cda
...
@@ -986,9 +986,10 @@ cmath_polar_impl(PyModuleDef *module, Py_complex z)
...
@@ -986,9 +986,10 @@ cmath_polar_impl(PyModuleDef *module, Py_complex z)
{
{
double
r
,
phi
;
double
r
,
phi
;
errno
=
0
;
PyFPE_START_PROTECT
(
"polar function"
,
return
0
)
PyFPE_START_PROTECT
(
"polar function"
,
return
0
)
phi
=
c_atan2
(
z
);
/* should not cause any exception */
phi
=
c_atan2
(
z
);
/* should not cause any exception */
r
=
_Py_c_abs
(
z
);
/* sets errno to ERANGE on overflow
; otherwise 0
*/
r
=
_Py_c_abs
(
z
);
/* sets errno to ERANGE on overflow */
PyFPE_END_PROTECT
(
r
)
PyFPE_END_PROTECT
(
r
)
if
(
errno
!=
0
)
if
(
errno
!=
0
)
return
math_error
();
return
math_error
();
...
...
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