[Numpy-discussion] numpy failure under Windows Vista 64 bit

"Klaus Nökel" klaus.noekel@gmx...
Wed May 20 08:36:27 CDT 2009


David,

> 
> Klaus Noekel wrote:
> > I doubt that the DLL was not physically present and rather suspect a 
> > dependency on some other DLL that was missing. The INSTALL.TXT 
> > unfortunately was not helpful. Can anybody please explain what other 
> > dependencies exist? Anything else I need to install?
> >   
> 
> This exact problem is specific to IDLE - I don't know what triggers it.
> Today, the best solution for a 64 bits numpy on windows is to built it
> yourself with MS compilers - the distributed one is built with mingw
> compilers, and there still seems to be some stability problems with
> those. Unfortunately, as the mingw debugger does not work either on 64
> bits archs, finding the problem is quite hard.
> 

I don't believe that the problem is specific to IDLE. Python also crashes when I put nothing but "import numpy" in a file and execute it with python.exe. 

Regarding the note on building numpy myself: the discussion in this forum scared me a little, because of the challenge to build LAPACK with a compatible Fortran compiler etc. That and the fact that I do not have MSVC 2008 (only 2005) keeps me from trying it. Any chance that a MS-based installer will materialize soon? Or are there any mingw-specific runtime libraries that I need to install so that the mingw-based numpy works?

Thanks for your help!
Klaus Noekel



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