Re: [Numpy-discussion] Subversion

Charles R Harris wrote: > Subversion seems to be down. I get the following message: > > Authentication realm: mpi4py.scipy.org > > > mpi4py? And I am asked for my password, which doesn't work. Scipy.org > also seems to be do

[Numpy-discussion] Subversion

Subversion seems to be down. I get the following message:Authentication realm: mpi4py.scipy.orgmpi4py? And I am asked for my password, which doesn't work. Scipy.org also seems to be down. You folks having trouble there?Chuck ---

Re: [Numpy-discussion] A reimplementation of MaskedArray

On Monday 16 October 2006 22:08, Michael Sorich wrote: > Does this new MA class allow masking of rearray like arrays? Excellent question! Which is to say, I have no idea... I don't use recordarray, so I didn't think about testing them. So, a first test indicates that it doesn't work either. The

Re: [Numpy-discussion] A reimplementation of MaskedArray

Does this new MA class allow masking of rearray like arrays? The numpy (1.0b5) version does not seem to. e.g. from numpy import * desc = [('name','S30'),('age',int8),('weight',float32)] a = array([('Bill',31,260.0),('Fred', 15, 145.0)], dtype=desc) print a[0] print a['name'] a2 = ma.array([('Bil

Re: [Numpy-discussion] Why doesn't array(a, dtype=single, copy=0) downcast a double array.

On 10/16/06, Travis Oliphant <[EMAIL PROTECTED]> wrote: Charles R Harris wrote:> It seems to me that since the behaviour when copy=0 is to make a copy> only if necessary, it should find it necessary and make the downcast.> After all, array(a, dtype=single, copy=1) does just that without > complaint

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Re: [Numpy-discussion] What does Fortran order mean?

On 10/16/06, Charles R Harris <[EMAIL PROTECTED]> wrote: > Travis, > I note that > >>> a = arange(6).reshape(2,3,order='F') > >>> a > array([[0, 1, 2], >[3, 4, 5]]) > > Shouldn't that be 3x2? Or maybe [[0,2,4],[1,3,5]]? Reshape is making a copy, Are you sure? octave:1> a = 0:5 a = 0 1

[Numpy-discussion] What does Fortran order mean?

Travis,I note that>>> a = arange(6).reshape(2,3,order='F')>>> aarray([[0, 1, 2],   [3, 4, 5]])Shouldn't that be 3x2? Or maybe [[0,2,4],[1,3,5]]? Reshape is making a copy, but flat, flatten, and tostring all show the elements in 'C' order. I ask because I wonder if changing the order can be used

[Numpy-discussion] RD;回复

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Re: [Numpy-discussion] Why doesn't array(a, dtype=single, copy=0) downcast a double array.

Charles R Harris wrote: > It seems to me that since the behaviour when copy=0 is to make a copy > only if necessary, it should find it necessary and make the downcast. > After all, array(a, dtype=single, copy=1) does just that without > complaint. Some common code in linalg could be replaced if

[Numpy-discussion] Why doesn't array(a, dtype=single, copy=0) downcast a double array.

It seems to me that since the behaviour when copy=0 is to make a copy only if necessary, it should find it necessary and make the downcast. After all, array(a, dtype=single, copy=1) does just that without complaint. Some common code in linalg could be replaced if array and asarray would do that ope

Re: [Numpy-discussion] Usage of NotImplemented in Numexpr

Ivan Vilata i Balaguer wrote: > En/na Tim Hochberg ha escrit:: > > >> Ivan Vilata i Balaguer wrote: >> >>> for i, x in enumerate(args): >>> if isConstant(x): >>> args[i] = ConstantNode(x) >>> elif not isinstance(x, ExpressionNode): >>> raise TypeE

Re: [Numpy-discussion] Usage of NotImplemented in Numexpr

En/na Tim Hochberg ha escrit:: > Ivan Vilata i Balaguer wrote: >> >> for i, x in enumerate(args): >> if isConstant(x): >> args[i] = ConstantNode(x) >> elif not isinstance(x, ExpressionNode): >> raise TypeError( "unsupported object type: %s", >>

Re: [Numpy-discussion] Usage of NotImplemented in Numexpr

Ivan Vilata i Balaguer wrote: > Looking at the ``ophelper()`` decorator in the ``expressions`` module of > Numexpr, I see the following code is used to check/replace arguments of > operators:: > > for i, x in enumerate(args): > if isConstant(x): > args[i] = x = ConstantNode(

[Numpy-discussion] F2PY Troubles...

Hello NG, I am using the latest Numpy release 1.0rc2 which includes F2PY. I have switched to Python 2.5 so this is the only alternative I have (IIUC). With Python 2.4, I was able to build a very simple fortran extension without problems. My extension contains 4 subroutines that scan a file an

[Numpy-discussion] Seguridad Banamex

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[Numpy-discussion] Usage of NotImplemented in Numexpr

Looking at the ``ophelper()`` decorator in the ``expressions`` module of Numexpr, I see the following code is used to check/replace arguments of operators:: for i, x in enumerate(args): if isConstant(x): args[i] = x = ConstantNode(x) if not isinstance(x, ExpressionN