Re: reshape array failed on windows

[Junqian Gordon Xu]

On 12/07/2009 11:48 PM, Jaroslav Hajek wrote:
> On Tue, Dec 8, 2009 at 4:32 AM, Junqian Gordon Xu <address@hidden> wrote:
> > On 12/07/2009 07:45 PM, John W. Eaton wrote:
> > > On  7-Dec-2009, Junqian Gordon Xu wrote:
> > >
> > > | Tested the same reshape function on Octave 3.2.3 on Debian/Linux, which
> > > | worked fine.
> > > |
> > > | Maybe this is a regression of the reshape function compiled for windows.
> > > |
> > > | Gordon
> > > |
> > > | On 12/07/2009 07:27 PM, Junqian Xu wrote:
> > > | > Octave 3.2.3 windows
> > > | >
> > > | > fid=fopen('file_name','r');
> > > | > temp=fread(fid,Inf,'short');
> > > | >
> > > | > I can verify temp reads the integer values fine as in matlab. However
> > > | > matlab is able to do
> > > | >
> > > | > reshape(temp,256,256)
> > > | >
> > > | > But in Octave, it returns an error of
> > > | >
> > > | > error: reshape: can't reshape 0x1 array to 256x256 array.
> > > | >
> > > | > Maybe I'm missing something very basic here.
> > > | >
> > > | > Gordon
> > >
> > > I expect that the problem is not with reshape.  It looks like the size
> > > of temp is 0x1, so I think the values were not read correctly from the
> > > file.
> > >
> > > jwe
> > But the fopen and fread lines are exactly the same for linux and windows.
> >
> > Gordon
>
> Have you checked that the file is opened correctly (fid != -1)?

Yes, the file opens correctly. fid = 8
> You wrote:
> "I can verify temp reads the integer values fine as in matlab."
>
> How did you verify that? Do the values display correctly at that point?

If I don't use ";", The on screen display of the values is correct.

Would the mailing list accept attached file?

Gordon