Re: [Numpy-discussion] detecting shared data

2007-04-12 Thread Robert Kern
Stefan van der Walt wrote: > Would such a scheme cause problems for anyone? Yes. Don't check in tests that fail. If you want to keep around a test file for a feature that's in development, put it elsewhere. You can make a directory in branches/ if you like (it doesn't actually have to be a full br

Re: [Numpy-discussion] Syntax trouble in translating matlab code to numpy

2007-04-12 Thread Robert Kern
Oliver Siemoneit wrote: > # Transform to LMS space > LMS = numpy.zeros_like(RGB) > for i in range(RGB.shape[0]): > for j in range(RGB.shape[1]): > rgb = RGB[i,j,:2] > LMS[i,j,:2] = numpy.dot(rgb2lms, rgb) > > This code fails in the last line with the er

[Numpy-discussion] Syntax trouble in translating matlab code to numpy

2007-04-12 Thread Oliver Siemoneit
Dear numpy experts! I'm just trying to port some matlab algorithm to python which allows an image correction for color blind users. If I succeed this bit of code might be part of the MoinMoin wiki, the wikisoftware scipy.org uses (see for more on that http://moinmoin.wikiwikiweb.de/AccessibleMo

Re: [Numpy-discussion] F2PY and underscore problem

2007-04-12 Thread Zdeněk Hurák
Tyler J Hayes wrote: > I'm not sure if this will help, but have you tried to specify the gfortran > compiler via the option: > > --fcompiler=gnu95 > > when calling f2py in the second line after the ".pyf" file has been > created? Perhaps that will work. Sorry for late response, Tyler. But this

Re: [Numpy-discussion] MacNoob

2007-04-12 Thread Christopher Barker
Anton Sherwood wrote: > When I try to build numpy (or PIL) on MacOS, I get this error: > "gcc: cannot specify -o with -c or -S and multiple compilations" > > Assuming at least one of you is using numpy on MacOS, > how did you get around that? by installing a binary from: pythonmac.org/packages O

Re: [Numpy-discussion] detecting shared data

2007-04-12 Thread Stefan van der Walt
On Thu, Apr 12, 2007 at 11:29:31AM -0400, Anne Archibald wrote: > > Failures may be expressed using > > > > NumpyTestCase.failIf(self, expr, msg=None) > > That's not quite what I mean. There are situations, with the current > code, that it gets the answer wrong (i.e., claims arrays may share > mem

Re: [Numpy-discussion] detecting shared data

2007-04-12 Thread Anne Archibald
On 12/04/07, Stefan van der Walt <[EMAIL PROTECTED]> wrote: > Thank you for taking the time to write those tests! > > Failures may be expressed using > > NumpyTestCase.failIf(self, expr, msg=None) That's not quite what I mean. There are situations, with the current code, that it gets the answer w

Re: [Numpy-discussion] MacNoob

2007-04-12 Thread Vincent Nijs
I think that error went away when I used the latest developer tools from Apple, and made sure I was using gcc4. Take a look at: http://www.scipy.org/Installing_SciPy/Mac_OS_X Vincent On 4/12/07 1:19 AM, "Anton Sherwood" <[EMAIL PROTECTED]> wrote: > When I try to build numpy (or PIL) on MacOS,

Re: [Numpy-discussion] Slicing with index lists

2007-04-12 Thread Robert Kern
Bernhard Voigt wrote: > Dear all! > > in a 2-dim array I would like to select rows specified by a list of > indexes and from these rows I'd like to select columns specified by > another list of indexes. That's what I found as a solution: > > In [90]: a = arange(15).reshape(5,3) > In [91]: a > Out

[Numpy-discussion] Slicing with index lists

2007-04-12 Thread Bernhard Voigt
Dear all! in a 2-dim array I would like to select rows specified by a list of indexes and from these rows I'd like to select columns specified by another list of indexes. That's what I found as a solution: In [90]: a = arange(15).reshape(5,3) In [91]: a Out[91]: array([[ 0, 1, 2], [ 3,

Re: [Numpy-discussion] detecting shared data

2007-04-12 Thread Stefan van der Walt
On Wed, Apr 11, 2007 at 11:06:13PM -0400, Anne Archibald wrote: > On 11/04/07, Bill Baxter <[EMAIL PROTECTED]> wrote: > > >Must be pretty recent. I'm using 1.0.2.dev3520 (enthought egg) and > >the function's not there. > > It is. > > I've never been quite happy with it, though; I realize it's n