On Thu, Feb 11, 2010 at 15:03, Friedrich Romstedt
wrote:
> Robert Kern:
>> def numpy_ops(**ops):
>> old_ops = np.set_numeric_ops(**ops)
>> try:
>> yield
>> finally:
>> np.set_numeric_ops(**old_ops)
>>
>>
>> wi
ement
from contextlib import contextmanager
import numpy as np
@contextmanager
def numpy_ops(**ops):
old_ops = np.set_numeric_ops(**ops)
try:
yield
finally:
np.set_numeric_ops(**old_ops)
with numpy_ops(multiply=...):
print np.array([1, 2, 3]) * np.array([1, 2, 3])
--
Robert K
d b are computed. If they overlap then
this function returns True. Otherwise, it returns False.
A return of True does not necessarily mean that the two arrays
share any element. It just means that they *might*.
One example where this function returns True when a 100% accurate
functi
On Wed, Feb 10, 2010 at 15:57, David Carmean wrote:
> On Tue, Feb 09, 2010 at 04:49:30PM -0600, John Hunter wrote:
>> On Tue, Feb 9, 2010 at 4:43 PM, Fernando Perez wrote:
>> > On Tue, Feb 9, 2010 at 5:02 PM, Robert Kern wrote:
>> >>
>> >> numpy.lib.
On Tue, Feb 9, 2010 at 18:02, wrote:
> On Tue, Feb 9, 2010 at 6:52 PM, Robert Kern wrote:
>> On Tue, Feb 9, 2010 at 17:47, Ralf Gommers
>> wrote:
>>>
>>>
>>> On Wed, Feb 10, 2010 at 6:02 AM, Robert Kern wrote:
>>>>
>>>>
>&
On Tue, Feb 9, 2010 at 17:47, Ralf Gommers wrote:
>
>
> On Wed, Feb 10, 2010 at 6:02 AM, Robert Kern wrote:
>>
>>
>> For some reason, numpy.lib.recfunctions isn't in the documentation
>> editor. I'm not sure why.
>>
> Because it's not in
ormed by dropping the fields not in the key for the
two arrays and concatenating the result. This array is then sorted, and
the common entries selected. The output is constructed by
filling the fields
with the selected entries. Matching is not preserved if there are some
dupli
On Mon, Feb 8, 2010 at 21:27, Darren Dale wrote:
> On Mon, Feb 8, 2010 at 10:24 PM, Robert Kern wrote:
>> On Mon, Feb 8, 2010 at 21:23, Darren Dale wrote:
>>> On Mon, Feb 8, 2010 at 10:10 PM, Robert Kern wrote:
>>>> On Mon, Feb 8, 2010 at 20:50, Darren Dale wrote
On Mon, Feb 8, 2010 at 21:23, Darren Dale wrote:
> On Mon, Feb 8, 2010 at 10:10 PM, Robert Kern wrote:
>> On Mon, Feb 8, 2010 at 20:50, Darren Dale wrote:
>>> On Mon, Feb 8, 2010 at 7:52 PM, Robert Kern wrote:
>>>> On Mon, Feb 8, 2010 at 18:43, Darren Dale wrote
taining shared ownership
and responsibility isn't majority rule, but consensus among
implementors. We just don't have that right now, but we need to get
stuff done anyways.
--
Robert Kern
"I have come to believe that the whole world i
On Mon, Feb 8, 2010 at 20:50, Darren Dale wrote:
> On Mon, Feb 8, 2010 at 7:52 PM, Robert Kern wrote:
>> On Mon, Feb 8, 2010 at 18:43, Darren Dale wrote:
>>> On Mon, Feb 8, 2010 at 7:25 PM, Robert Kern wrote:
>>>> Here's the problem that I don'
On Mon, Feb 8, 2010 at 18:43, Darren Dale wrote:
> On Mon, Feb 8, 2010 at 7:25 PM, Robert Kern wrote:
>> Here's the problem that I don't think many people appreciate: logical
>> arguments suck just as much as personal experience in answering these
>> questions. Yo
in the face, but without real data to premise them on, they are
no better than the gut feelings. They can often be significantly worse
if the strength of the logic gets confused with the strength of the
premise.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
eni
ate to address deficiencies in the
breadth and depth of the already-too-extensive discussion. You should
have spoken up sooner. We need to make a decision now.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrib
g a final vote), we move on to a vote from the steering
committee to formalize that majority.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it
nsensus means everyone, not just a strong majority.
http://producingoss.com/en/consensus-democracy.html
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had
On Mon, Feb 8, 2010 at 16:10, Matthew Brett wrote:
> On Mon, Feb 8, 2010 at 2:07 PM, Robert Kern wrote:
>> On Mon, Feb 8, 2010 at 16:05, Darren Dale wrote:
>>> On Mon, Feb 8, 2010 at 5:05 PM, Jarrod Millman wrote:
>>>> On Mon, Feb 8, 2010 at 1:57 PM, Charles R Ha
1.5.0
>>> b) 2.0.0
>>
>> My vote goes to b.
>
> You don't matter. Nor do I.
Jarrod is on the steering committee.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad
2,), (3,), (4,)]
>>>
>>> timeit np.array(x).reshape(-1) # <-- slow
> 1000 loops, best of 3: 832 us per loop
>>> timeit np.array([z[0] for z in x])
> 1 loops, best of 3: 106 us per loop # <-- fast
When array() gets a sequence of sequences, it has to do more wo
7;age', 'weight')
In [7]: names = r.dtype.names
In [8]: [dict(zip(names, record)) for record in r]
Out[8]:
[{'age': 31, 'name': 'Bill', 'weight': 260.0},
{'age': 15, 'name': 'Fre
anges in minor releases
* There will be no API changes in bugfix releases
"""
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
/* Clear the error state since we are handling the error. */
PyErr_Clear();
/* ... set up for the sans-numpy case. */
}
else {
Py_DECREF(mod);
import_array();
/* ... set up for the with-numpy case. */
}
--
Robert Kern
"I have come to believe that the whole world is
> things makes numpy 1.4.x backward compatible, at least as far as scipy
> is concerned. So it seems the PyArray_Funcs change is the only
> ABI-incompatible change.
Except for the Cython bit.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigm
On Tue, Feb 2, 2010 at 21:08, David Cournapeau wrote:
> Robert Kern wrote:
>> On Tue, Feb 2, 2010 at 20:23, Neil Martinsen-Burrell
>> wrote:
>>This is useful feature for more than just datetime
>> support and should be complete and useful at this time.
>
> Could
, we implemented it by
adding a general feature to dtype objects such that they can hold
arbitrary metadata. This is useful feature for more than just datetime
support and should be complete and useful at this time.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a h
ched debug output; I wasn't
> able to make a lot of sense out of it. At over 2400 lines, it's a bit
> lengthy.
Don't use CFLAGS. Please show the dump without that flag. Also, please
show me the command line(s) that you are using to try to install
numpy.
--
Robert Kern
"
On Thu, Jan 28, 2010 at 10:31, Keith Goodman wrote:
> I noticed that & (logical and) does support float dtype:
& is not logical_and(). It is bitwise_and().
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our
xhibits the difference.
In [28]: x = np.random.random_integers(0,10,size=5000)
In [29]: %timeit m = x > 0
10 loops, best of 3: 19.1 us per loop
In [30]: %timeit m = x > 1
10 loops, best of 3: 19.3 us per loop
The difference is in the array[mask]. There are necessarily fewer True
uaranteed? In a quick test, it seems to work.
In any case, I suspect that needing to do both x and y will make doing
the QR once and some two pairs of dot products a better proposition
than two QR decompositons.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a h
On Tue, Jan 19, 2010 at 15:12, Gael Varoquaux
wrote:
> On Tue, Jan 19, 2010 at 02:58:32PM -0600, Robert Kern wrote:
>> > I am not sure that what I am doing is optimal.
>
>> If confounds is orthonormal, then there is no need to use lstsq().
>
>> y = y - np.dot(n
On Tue, Jan 19, 2010 at 14:47, Gael Varoquaux
wrote:
> On Tue, Jan 19, 2010 at 02:22:30PM -0600, Robert Kern wrote:
>> > y = y - np.dot(confounds.T, linalg.lstsq(confounds.T, y)[0])
>
>> > with np = numpy and linalg = scipy.linalg where scipy calls ATLAS.
>
>> For
ors that are perpendicular to the space spanned by the 10
orthonormal vectors in confounds?
> Most of the time is spent in linalg.lstsq. The length of the vectors is
> 810, and there are about 10 confounds.
Exactly what are the shapes? y.shape = (810, N); confounds.shape = (810, 10)?
--
Robe
ond column comes first. You
can think of the procedure as "sort by the second column, now sort by
the first column; where there are ties in the first column, the order
is left alone from the previous sort on the second column".
--
Robert Kern
"I have come to believe that the
would create a
weird special case in the semantics, and slow down common assignments
that don't have the issue.
It would be nice to have a fast in-place roll(), though this is not
how one should implement it.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harm
lways one step behind the LHS pointer, thus it always reads the data
that just got modified in the previous step. The data you expected it
to read has already been wiped out.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made
posed as being
used, no, it is not the key point. We will not incorporate Eigen2 code
into numpy, particularly not as the default linear algebra
implementation, because we wish to keep numpy's source as being only
BSD. This is a policy decision of the numpy team, not a legal
incompatibility.
On Mon, Jan 18, 2010 at 10:26, Benoit Jacob wrote:
> 2010/1/18 Robert Kern :
>> On Mon, Jan 18, 2010 at 09:35, Benoit Jacob wrote:
>>
>>> Sorry for continuing the licensing noise on your list --- I though
>>> that now that I've started, I should let you kno
oprietary license even if I allow them to do that with the
application as a whole. For us to use Eigen2 in numpy such that our
users could use, modify and redistribute numpy+Eigen2, in its
entirety, under the terms of the BSD license, we would have to get
permission from you to distribute Eigen2 under
On Sun, Jan 17, 2010 at 13:18, Benoit Jacob wrote:
> 2010/1/17 Robert Kern :
>> On Sun, Jan 17, 2010 at 12:11, Benoit Jacob wrote:
>>> 2010/1/17 Robert Kern :
>>>> On Sun, Jan 17, 2010 at 08:52, Benoit Jacob
>>>> wrote:
>>>>> 2010/1/1
On Sun, Jan 17, 2010 at 12:11, Benoit Jacob wrote:
> 2010/1/17 Robert Kern :
>> On Sun, Jan 17, 2010 at 08:52, Benoit Jacob wrote:
>>> 2010/1/17 David Cournapeau :
>>
>>>> There are several issues with eigen2 for NumPy usage:
>>>> - using it as a
d
the BSD license that we, as a matter of policy, do not wish to impose
on numpy users.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
--
the Box Plot quartiles, and ranges. I think that's the
> simplest set for Box plots. I don't need to draw anything.
Use scipy.stats.scoreatpercentile()
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own
On Fri, Jan 15, 2010 at 08:46, Ralf Gommers wrote:
> Is it necessary to have OS X to build the dmg installer, or could you build
> that from linux with some modifications to the build script?
No, you need OS X to build and package the OS X binaries.
--
Robert Kern
"I have come
Using .newbyteorder() to swap the byte order
to the non-native byte order should and does cause the resulting dtype
to not be considered builtin.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is mad
On Tue, Jan 12, 2010 at 12:31, Sebastian Walter
wrote:
> On Tue, Jan 12, 2010 at 7:09 PM, Robert Kern wrote:
>> On Tue, Jan 12, 2010 at 12:05, Sebastian Walter
>> wrote:
>>> Hello,
>>> I have a question about the augmented assignment statements *=, +=, etc.
>
py arrays in-place, so the usual
casting rules for assignment into an array apply. Namely, the array
being assigned into keeps its dtype.
If you do not want in-place modification, do not use augmented assignment.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a har
gs ?
> (Whisper, how'd it get past testing ?)
It's not a bug, but it is a known issue. We tried very hard to keep
numpy 1.4 binary compatible; however, Pyrex and Cython impose
additional runtime checks above and beyond binary compatibility.
--
Robert Kern
"I have come to believ
On Mon, Jan 11, 2010 at 18:03, Jankins wrote:
> It is very simple code:
>
> import networkx as nx
> import scipy.sparse.linalg as linalg
>
> G = nx.Graph()
> G.add_star(range(9))
> M= nx.to_scipy_sparse_matrix(G)
> print linalg.eigen(M)
>
> Thanks.
Please post th
as "__call__" method. Why couldn't I call
> scipy.sparse.linalg.eigen(...)?
Please show the complete code and the complete traceback.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to inte
implementation for numpy when their is no blas installed. I think
> the license would allow to include it in numpy directly.
It is licensed under the LGPLv3, so it is not compatible with the numpy license.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a ha
ts.
>
> I'd forgotten about that.
It's not really true, though. MacPorts took /opt/local/, but
/opt// probably hasn't been.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to
ot;:
x = Numeric.array(thestr,"O")
else:
x = Numeric.fromstring(thestr, typecode)
x.shape = shape
if LittleEndian != Endian:
return x.byteswapped()
else:
return x
Numeric.array_constructor = patched_array_constructor
After you have done that, cPi
#x27;s not quite the same. That is the R equivalent of Python's recent
per-user site-packages feature (every user get's their own sandbox),
not virtualenv (every project gets it's own sandbox). The former
feature has a long history in the multiuser UNIX world and is not
really contro
ype([('a','l'),('b','l'),('c','l')])
>
> In [254]: y.dtype=dt
>
> Is it okay?
> The problem is that it's not easy to rebuild the array.
> I tried with:
>
> y.astype(dt)
> np.array(y, dt)
> np.array(y.tolist
On Wed, Dec 30, 2009 at 13:10, René Dudfield wrote:
> On Wed, Dec 30, 2009 at 7:08 PM, Robert Kern wrote:
>> On Wed, Dec 30, 2009 at 12:47, René Dudfield wrote:
>>> 500+ packages on pypi. Provide a counter point, otherwise the
>>> evidence is against you
ver farms, not interactive experimenters.
>
> 500+ packages on pypi. Provide a counter point, otherwise the
> evidence is against your position - overwhelmingly.
Linux distributions, which are much, much more popular than any
collection of packages on PyPI you might care to name. Isolated
envir
modules in scipy, but shouldn't have
affected anything in matplotlib. The traceback may help us identify
the issue you are seeing.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though
s forced to use math.cos().
> Why one but not the other?
Presumably you have imported it somewhere. Please show your program,
and we may be able to point it out to you.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by
e in the math module. You want math.cos(). The
same goes for radians() and acos() and sin().
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
--
On Sun, Dec 20, 2009 at 22:44, Wayne Watson
wrote:
> 1.2.0. Did you find the description in the reference manual?
No, he found it using help(numpy.dot) using a more recent version of
numpy. I highly recommend upgrading.
--
Robert Kern
"I have come to believe that the whole world is a
ticular files under test/ that just contain
doctests); they're a handy way to write certain tests although they
have well known and annoying limits for numerical work. I just don't
want documentation examples to be doctests.
--
Robert Kern
"I have come to believe tha
On Fri, Dec 18, 2009 at 11:57, Skipper Seabold wrote:
> On Fri, Dec 18, 2009 at 12:52 PM, Robert Kern wrote:
>> On Fri, Dec 18, 2009 at 11:46, Keith Goodman wrote:
>>> I am using the numpy 1.3 binary from Ubuntu 9.10. Is this already
>>> known, fixed, reproduci
#x27;np.int64' object has no attribute 'argsort'
Why would you expect that? On OS X with an SVN checkout ~1.4:
In [1]: np.array(121).argsort(0).argsort(0)
Out[1]: 0
In [6]: np.int64.argsort
Out[6]:
--
Robert Kern
"I have come to believe that the whole world is an enigma, a ha
On Thu, Dec 17, 2009 at 17:41, Pierre GM wrote:
> On Dec 17, 2009, at 6:35 PM, Robert Kern wrote:
>> On Thu, Dec 17, 2009 at 16:11, Pierre GM wrote:
>>> Here's the catch: IIUC, each individual element of a nD structured array is
>>> a void, provided the element
Here's the catch: IIUC, each individual element of a nD structured array is a
> void, provided the element can be accessed, ie that n>0. A 0D array cannot be
> indexed, so I don't know how capture the object below. The sad trick I found
> was to do a .reshape(1)[0], but that l
uld be appropriate:
.. [1] G. H. Golub and C. F. Van Loan, _Matrix Computations_.
Baltimore: Johns Hopkins University Press, 1996.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to inter
cial
%y
In [2]: %timeit numpy.i0(1.0)
1000 loops, best of 3: 921 µs per loop
In [3]: %timeit special.i0(1.0)
10 loops, best of 3: 5.6 µs per loop
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our
: _npy_cexp
Referenced from: /Library/Python/2.6/site-packages/
numpy-1.4.0.dev7726-py2.6-macosx-10.6-universal.egg/
numpy/core/umath.so
Expected in: flat namespace
in /Library/Python/2.6/site-packages/
numpy-1.4.0.dev7726-py2.6-macosx-10.6-universal.egg
/numpy/core/umath.so
--
Robert Kern
"
t; y = x.copy()
> old_shape = y.shape
> if y.shape == ():
> # We need element access.
> y.shape = (1,)
> t = y.dtype.type
> if issubclass(t, _nx.complexfloating):
> return nan_to_num(y.real) + 1j * nan_to_num(y.imag)
Almost! You need to handle the sh
gt; array([ Inf])
Right. This is the problem I was referring to: "I think that sequences should be
coerced to arrays for output and this check should be more explicit
about what it handles. [1.0] will have a problem if you don't."
--
Robert Kern
"I have come to believe that t
On Fri, Dec 11, 2009 at 17:44, Keith Goodman wrote:
> On Fri, Dec 11, 2009 at 2:22 PM, Robert Kern wrote:
>> On Fri, Dec 11, 2009 at 16:09, Keith Goodman wrote:
>>> On Fri, Dec 11, 2009 at 1:14 PM, Robert Kern wrote:
>>>> On Fri, Dec 11, 2009 at 14:41, Keith Goo
On Fri, Dec 11, 2009 at 16:09, Keith Goodman wrote:
> On Fri, Dec 11, 2009 at 1:14 PM, Robert Kern wrote:
>> On Fri, Dec 11, 2009 at 14:41, Keith Goodman wrote:
>>> On Fri, Dec 11, 2009 at 12:08 PM, Bruce Southey wrote:
>>
>>>> So I agree that it should
nan float objects in object arrays and
float columns in structured arrays, but the current code does not
handle either of those anyways.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
th
>> bool(np.NINF)
> True
> >>> bool(np.NaN)
> True
> >>> bool(np.PZERO)
> False
> >>> bool(np.NZERO)
> False
No, that's the other way around, converting floats to bools.
Converting bools to floats is trivial: True->1.0, False->0.
y
>> and prevent people from wasting days. (Hopefully, we can avoid wasting
>> days discussing this issue too :-) ).
>
> Yes. We can even make it a PendingDeprecationWarning, when we become
> convinced that this feature should go away in entirety.
PendingDeprecationWarnings are o
need to bug report to ubuntu. Anybody feels like doing it, or
> do I need to go ahead :).
It's your problem. :-)
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had
.a
> python setup.py build_ext --inplace
If you are building numpy inplace, you will also have to delete the
inplace headers.
nuke:
rm -rf build
rm -f numpy/core/include/numpy/__multiarray_api.c
numpy/core/include/numpy/__multiarray_api.h
numpy/core/include/numpy/__ufunc_api.c
num
the case, I think that it means that we need to all use the
> same version of numpy (1.3).
>
> Does anybody know if the cython folks are going to work around that
> anytime soon (I am not on the cython mailing list, so I am not asking
> there)?
Yes.
--
Robert Kern
"I have come to
On Wed, Dec 9, 2009 at 14:03, Mark Sienkiewicz wrote:
> Robert Kern wrote:
>> On Tue, Dec 8, 2009 at 15:36, Mark Sienkiewicz wrote:
>>
>>>
>>> ( Presumably, some other version of gfortan does accept -arch, or this
>>> code wouldn't be here, right?
On Wed, Dec 9, 2009 at 01:41, Anne Archibald wrote:
> 2009/12/8 Robert Kern :
>> olderr = np.seterr(divide='ignore', invalid='ignore')
>> try:
>> result = self.f(da, db, *args, **kwargs)
>> finally:
>> np.seterr(**olderr)
>
>
['horizon']==i][2]
assigns to the copy, which then gets thrown away.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
-- Umberto Eco
re.
> However, future versions of numpy will target PEP 3118 – The Revised
> Buffer Protocol. PEP 3118 was incorporated into Python 2.6 and 3.0, and
> we hope to incorporate it into numpy 1.5
> ...
>
> """
The Cython information is still nice. Also, it should not be a
On Tue, Dec 8, 2009 at 15:44, Christopher Barker wrote:
> Robert Kern wrote:
>>> The array interface was made for this sort of thing, but is deprecated:
>>>
>>> http://docs.scipy.org/doc/numpy/reference/arrays.interface.html
>
>> I think the wording
r this
> code wouldn't be here, right? )
Right. The -arch flag was added by Apple to GCC and their patch really
should be applied to all builds of GCC compilers for the Mac. It is
deeply disappointing that Fink ignored this. The only Mac gfortran
build that I can recommend is here:
http://
On Tue, Dec 8, 2009 at 15:25, Pierre GM wrote:
> On Dec 8, 2009, at 12:54 PM, Robert Kern wrote:
>>
>> As far as I can tell, the faulty global seterr() has been in place
>> since 1.1.0, so fixing it at all should be considered a feature
>> change. It's not likely t
On Tue, Dec 8, 2009 at 14:52, Dag Sverre Seljebotn
wrote:
> Robert Kern wrote:
>> On Tue, Dec 8, 2009 at 12:38, Pauli Virtanen wrote:
>>> - We need to cache the buffer protocol format string somewhere,
>>> if we do not want to regenerate it on each buffer acquisi
I don't think that we actually
decided to deprecate the interface. PEP 3118 is not yet implemented by
numpy, and the PEP 3118 API won't be available to Python's <2.6
(Cython's workarounds notwithstanding).
Pauli, did we discuss this before you wrote that warning and I'm
On Tue, Dec 8, 2009 at 12:38, Pauli Virtanen wrote:
> ti, 2009-12-08 kello 12:14 -0600, Robert Kern kirjoitti:
>> On Tue, Dec 8, 2009 at 12:08, Pauli Virtanen wrote:
>> > ke, 2009-12-09 kello 02:47 +0900, David Cournapeau kirjoitti:
>> > [clip]
>> >>
is not cheap!
> We should maybe convince the Cython people to disable this check, at
> least for Numpy.
They appear to be. See the latest messages in the thread "Checking
extension type sizes".
--
Robert Kern
"I have come to believe that the whole world is an enigma, a
On Tue, Dec 8, 2009 at 11:41, David Cournapeau wrote:
> On Wed, Dec 9, 2009 at 1:21 AM, Robert Kern wrote:
>
>> The default has always been "print", not "warn" (except for underflow,
>> which was "ignore").
>
> Ah, ok, that explains
ArrayDescr -- and this breaks
>> previously compiled Cython modules.
>
> It seems that it is partly a cython problem.
It's *entirely* a Cython problem.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
ow,
which was "ignore"). However, "warn" is better for the reasons you
state (except for underflow, which should remain "ignore").
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enig
the correct length, but it is an
> array of tuples and no longer a record array. Am I missing a step?
It's still a structured array (albeit a masked one); however, it is no
longer a recarray. recarray is just a convenience class that provide
attribute access. Use C['datetime'] to a
at least turned into a >= check, but it got no traction.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
-- Umberto Eco
___
il the approach
> advocated in: http://hdl.handle.net/1877/438
> is generally accepted.
We are not changing the behavior of numpy.std() or numpy.var() at this
point in time.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible
e in that
application. Look at the file GPL_EXCEPTION.TXT .
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth.&quo
case, you might want to use column_stack() which
explicitly treats 1D arrays like columns. Otherwise, just use column
vectors explicitly.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
ators like +-/* and array broadcasting works
on them, too. So, if d.shape == (N, 10), let's say, then you could do:
np.argwhere(d > [1,1,1,1,1,2,2,2,2,2])
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own
aces internal to
matplotlib, I don't know.
With some care, you can use gc.get_referrers() to find the objects
that are holding direct references to your memmap.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terri
On Thu, Nov 19, 2009 at 01:43, David Cournapeau
wrote:
> Robert Kern wrote:
>
>> One can have a proprietary application statically linked
>> with an LGPL library. The only detail there is that, in order to
>> satisfy the "user must be able to relink the applicati
901 - 1000 of 2838 matches
Mail list logo
