Re: MacOS X 10.3.9 build but load-save.m test failure

David Bateman wrote:

> If you do this
>
> % mv binary.mat binary.mat.gz
> % gunzip binary.mat.gz
> % octave
> octave:1> load binary.mat

On Sparc/Solaris:
[dima@kochia test]$ cp binary.mat test11.mat.gz
[dima@kochia test]$ gunzip test11.mat.gz
[dima@kochia test]$ octave
GNU Octave, version 2.9.2 (sparc-sun-solaris2.8).
....

octave:1> load test11.mat
error: load: trouble reading binary file `test11.mat'
octave:1> whos

*** dynamically linked functions:

  Prot Name                  Size                     Bytes  Class
  ==== ====                  ====                     =====  =====
   r-- __gnuplot_init__     -1x-1                         0  dynamically-linked 
function
   r-- __gnuplot_set__      -1x-1                         0  dynamically-linked 
function
   r-- dispatch             -1x-1                         0  dynamically-linked 
function
   r-- gset                 -1x-1                         0  dynamically-linked 
function

Total is 4 elements using 0 bytes

*** local user variables:

  Prot Name                     Size                     Bytes  Class
  ==== ====                     ====                     =====  =====
   rw- __nargin__               1x1                          8  scalar
   rwd a10                      2x7                         14  string
   rwd a11                      2x2                          4  int8 matrix
   rwd a12                      2x2                          8  int16 matrix
   rwd a13                      2x2                         16  int32 matrix
   rwd a14                      2x2                         32  int64 matrix
   rwd a15                      2x2                          4  uint8 matrix
   rwd a16                      2x2                          8  uint16 matrix
   rwd a17                      2x2                         16  uint32 matrix
   rwd a18                      2x2                         32  uint64 matrix
   rwd a2                       3x3                         72  matrix
   rwd a3                       1x1                         16  complex scalar
   rwd a4                       3x3                        144  complex matrix
   rwd a5                       1x1                          1  bool
   rwd a6                       1x10                        10  bool matrix
   rwd a7                       1x10                        24  range
   rwd a8                       1x1                         24  struct
   rwd a9                       1x2                         24  cell
   rwd default_save_format      1x6                          6  string

Total is 96 elements using 463 bytes

*** globally visible user variables:

  Prot Name        Size                     Bytes  Class
  ==== ====        ====                     =====  =====
   rwd a1          1x1                          8  scalar

Total is 1 element using 8 bytes

octave:2>


> what happens? what is the reponse to whos? This will confirm that the 
> problem is particular to the zlib code in the binary load issue? As 
> crash happened at binary.mat,  you didn't test the loading of the 
> mat5.mat and mat7.may files.. What does
>
> octave:1> load mat5.mat

That seems to be working:

octave:1> load mat5.mat
octave:2> whos

*** dynamically linked functions:

  Prot Name                  Size                     Bytes  Class
  ==== ====                  ====                     =====  =====
   r-- __gnuplot_init__     -1x-1                         0  dynamically-linked 
function
   r-- __gnuplot_set__      -1x-1                         0  dynamically-linked 
function
   r-- dispatch             -1x-1                         0  dynamically-linked 
function
   r-- gset                 -1x-1                         0  dynamically-linked 
function

Total is 4 elements using 0 bytes

*** local user variables:

  Prot Name                     Size                     Bytes  Class
  ==== ====                     ====                     =====  =====
   rw- __nargin__               1x1                          8  scalar
   rwd a10                      2x7                         14  sq_string
   rwd a11                      2x2                          4  int8 matrix
   rwd a12                      2x2                          8  int16 matrix
   rwd a13                      2x2                         16  int32 matrix
   rwd a14                      2x2                         32  int64 matrix
   rwd a15                      2x2                          4  uint8 matrix
   rwd a16                      2x2                          8  uint16 matrix
   rwd a17                      2x2                         16  uint32 matrix
   rwd a18                      2x2                         32  uint64 matrix
   rwd a19                    100x100                     1604  sparse matrix
   rwd a2                       3x3                         72  matrix
   rwd a20                    100x100                     4384  sparse complex 
matrix
   rwd a3                       1x1                         16  complex scalar
   rwd a4                       3x3                        144  complex matrix
   rwd a5                       1x1                          1  bool
   rwd a6                       1x10                        10  bool matrix
   rwd a7                       1x10                        80  matrix
   rwd a8                       1x1                         24  struct
   rwd a9                       1x2                         24  cell
   rwd default_save_format      1x6                          6  string

Total is 395 elements using 6507 bytes

*** globally visible user variables:

  Prot Name        Size                     Bytes  Class
  ==== ====        ====                     =====  =====
   rwd a1          1x1                          8  scalar

Total is 1 element using 8 bytes


> and
>
> octave:2> load mat7.mat

That is also looks fine:

octave:1> load mat7.mat
octave:2> whos

*** dynamically linked functions:

  Prot Name                  Size                     Bytes  Class
  ==== ====                  ====                     =====  =====
   r-- __gnuplot_init__     -1x-1                         0  dynamically-linked 
function
   r-- __gnuplot_set__      -1x-1                         0  dynamically-linked 
function
   r-- dispatch             -1x-1                         0  dynamically-linked 
function
   r-- gset                 -1x-1                         0  dynamically-linked 
function

Total is 4 elements using 0 bytes

*** local user variables:

  Prot Name                     Size                     Bytes  Class
  ==== ====                     ====                     =====  =====
   rw- __nargin__               1x1                          8  scalar
   rwd a10                      2x7                         14  sq_string
   rwd a11                      2x2                          4  int8 matrix
   rwd a12                      2x2                          8  int16 matrix
   rwd a13                      2x2                         16  int32 matrix
   rwd a14                      2x2                         32  int64 matrix
   rwd a15                      2x2                          4  uint8 matrix
   rwd a16                      2x2                          8  uint16 matrix
   rwd a17                      2x2                         16  uint32 matrix
   rwd a18                      2x2                         32  uint64 matrix
   rwd a19                    100x100                     1604  sparse matrix
   rwd a2                       3x3                         72  matrix
   rwd a20                    100x100                     4384  sparse complex 
matrix
   rwd a3                       1x1                         16  complex scalar
   rwd a4                       3x3                        144  complex matrix
   rwd a5                       1x1                          1  bool
   rwd a6                       1x10                        10  bool matrix
   rwd a7                       1x10                        80  matrix
   rwd a8                       1x1                         24  struct
   rwd a9                       1x2                         24  cell
   rwd default_save_format      1x6                          6  string

Total is 395 elements using 6507 bytes

*** globally visible user variables:

  Prot Name        Size                     Bytes  Class
  ==== ====        ====                     =====  =====
   rwd a1          1x1                          8  scalar

Total is 1 element using 8 bytes


> gives. In particular what does "whos" give.
>
> Matlab v7 files are a different issue than the other files. Individual 
> data elements are zipped seperately with a header giving its size. So 
> like you I suspect its an endianness issue in this header. However there 
> are too many variable in this file to effectively debug the problem, so 
> if someone with 2.9.2 on OS X can send me the file produced by
>
> a = eye(10);
> save -v7 mat7.mat a

I will do it in a private email.

> it would allow me to much more effectively debug the problem...
>
> Regards
> David

Dmitri.
--



-------------------------------------------------------------
Octave is freely available under the terms of the GNU GPL.

Octave's home on the web:  http://www.octave.org
How to fund new projects:  http://www.octave.org/funding.html
Subscription information:  http://www.octave.org/archive.html
-------------------------------------------------------------