save and load bug.

Sat Dec 27 22:07:38 CST 2008

On Dec 27, 2008, at 10:16 PM, GARY FORBIS wrote:
>
>
> > CC: help-octave at octave.org
> > From: bpabbott at mac.com
> > To: forbisgaryg at msn.com
> > Subject: Re: save and load bug.
> > Date: Sat, 27 Dec 2008 21:51:03 -0500
> >
> >
> > On Dec 27, 2008, at 8:50 PM, GARY FORBIS wrote:
> >
> > > a> I tried a simple version
> > > >
> > > > a = -rand (1, 500);
> > > > save -text test.txt a
> > > > clear all
> > > > load test.txt
> > > > whos a
> > > >
> > > > Running both 3.0.3 and the developers sources load() appears to
> > > work.
> > > >
> > > > I you are unable to produce a simple example which  
> demonstrates the
> > > > problem, can you attach a file that doesn't load so that it  
> may be
> > > > examined?
> > > >
> > > > Ben
> > >
> > > I thought I gave it. Here it is again:
> > >
> > > a=-0.03597396637549816
> > > b=[]
> > > for x=1:500
> > > b=[b,a]
> > > save stest b
> > > load stest
> > > end
> > >
> > > Here it is running:
> > >
> > > octave-3.0.3.exe:13> a=-0.03597396637549816
> > > a = -0.035974
> > > octave-3.0.3.exe:14>
> > > octave-3.0.3.exe:14> b=[]
> > > b = [](0x0)
> > > octave-3.0.3.exe:15> for x=1:500
> > > > b=[b,a]
> > > > save stest b
> > > > load stest
> > > > end
> > > error: load: failed to load matrix constant
> > > error: load: trouble reading ascii file `stest'
> > > error: load: reading file stest
> > > error: evaluating for command near line 15, column 1
> > > octave-3.0.3.exe:15>
> > >
> > > The reason I wrote it that way was because it fails predictably.
> > > Another version:
> > >
> > > a=-0.03597396637549816
> > > b=[]
> > >
> > > for x=1:383
> > > b=[b,a]
> > > end
> > > save stest b
> > > load stest
> > > b=[b,a]
> > > save stest b
> > > load stest
> > >
> > > In this second program the first case loads and the second fails.
> >
> > I tried your examples again ... they both run without error for  
> Octave
> > 3.0.3 and Octave built from the developers sources.
> >
> > What do you get when you type "which load" and "which save"?
> >
> > Ben
> >
>
> octave-3.0.3.exe:1> which load
> load is a built-in command
> octave-3.0.3.exe:2> which save
> save is a built-in command
>
>
> GNU Octave, version 3.0.3
> Copyright (C) 2008 John W. Eaton and others.
> This is free software; see the source code for copying conditions.
> There is ABSOLUTELY NO WARRANTY; not even for MERCHANTIBILITY or
> FITNESS FOR A PARTICULAR PURPOSE.  For details, type `warranty'.
> Octave was configured for "i686-pc-msdosmsvc".
>
> Package Name       | Version | Installation directory
> -------------------+---------+-----------------------
>               ann *|   1.0.1 | ...\Octave\share\octave\packages 
> \ann-1.0.1
>            arpack *|   1.0.6 | ...\Octave\share\octave\packages 
> \arpack-1.0.6
>             audio *|   1.1.2 | ...\Octave\share\octave\packages 
> \audio-1.1.2
>         benchmark *|   1.0.0 | ...\Octave\share\octave\packages 
> \benchmark-1.0.0
>           bioinfo *|   0.1.1 | ...\Octave\share\octave\packages 
> \bioinfo-0.1.1
>     combinatorics *|   1.0.7 | ...\share\octave\packages 
> \combinatorics-1.0.7
>    communications *|   1.0.8 | ...\share\octave\packages 
> \communications-1.0.8
>           control *|   1.0.7 | ...\Octave\share\octave\packages 
> \control-1.0.7
>    data-smoothing *|   1.1.1 | ...\share\octave\packages\data- 
> smoothing-1.1.1
>          database *|   1.0.1 | ...\Octave\share\octave\packages 
> \database-1.0.1
>      econometrics *|   1.0.7 | ...\share\octave\packages 
> \econometrics-1.0.7
>         financial *|   0.3.0 | ...\Octave\share\octave\packages 
> \financial-0.3.0
>             fixed *|   0.7.8 | ...\Octave\share\octave\packages 
> \fixed-0.7.8
>               ftp *|   1.0.1 | ...\Octave\share\octave\packages 
> \ftp-1.0.1
>                ga *|   0.9.4 | ...\Octave\share\octave\packages 
> \ga-0.9.4
>           general *|   1.0.7 | ...\Octave\share\octave\packages 
> \general-1.0.7
>               gsl *|   1.0.7 | ...\Octave\share\octave\packages 
> \gsl-1.0.7
>             ident *|   1.0.6 | ...\Octave\share\octave\packages 
> \ident-1.0.6
>             image *|   1.0.8 | ...\Octave\share\octave\packages 
> \image-1.0.8
> informationtheory *|   0.1.6 | ...\octave\packages 
> \informationtheory-0.1.6
>                io *|   1.0.7 | ...\Octave\share\octave\packages 
> \io-1.0.7
>              irsa *|   1.0.6 | ...\Octave\share\octave\packages 
> \irsa-1.0.6
>              java *|   1.2.5 | ...\Octave\share\octave\packages 
> \java-1.2.5
>          jhandles  |   0.3.4 | ...\Octave\share\octave\packages 
> \jhandles-0.3.4
>    linear-algebra *|   1.0.6 | ...\share\octave\packages\linear- 
> algebra-1.0.6
>     miscellaneous *|   1.0.7 | ...\share\octave\packages 
> \miscellaneous-1.0.7
> missing-functions *|   1.0.1 | ...\octave\packages\missing- 
> functions-1.0.1
>              nnet *|   0.1.8 | ...\Octave\share\octave\packages 
> \nnet-0.1.8
>            octcdf *|  1.0.11 | ...\Octave\share\octave\packages 
> \octcdf-1.0.11
>            odebvp *|   1.0.5 | ...\Octave\share\octave\packages 
> \odebvp-1.0.5
>            odepkg *|   0.6.4 | ...\Octave\share\octave\packages 
> \odepkg-0.6.4
>             optim *|   1.0.4 | ...\Octave\share\octave\packages 
> \optim-1.0.4
>          outliers *|  0.13.8 | ...\Octave\share\octave\packages 
> \outliers-0.13.8
> physicalconstants *|   0.1.6 | ...\octave\packages 
> \physicalconstants-0.1.6
>              plot *|   1.0.6 | ...\Octave\share\octave\packages 
> \plot-1.0.6
>            signal *|   1.0.8 | ...\Octave\share\octave\packages 
> \signal-1.0.8
>           sockets *|   1.0.5 | ...\Octave\share\octave\packages 
> \sockets-1.0.5
>           specfun *|   1.0.7 | ...\Octave\share\octave\packages 
> \specfun-1.0.7
>    special-matrix *|   1.0.6 | ...\share\octave\packages\special- 
> matrix-1.0.6
>           splines *|   1.0.6 | ...\Octave\share\octave\packages 
> \splines-1.0.6
>        statistics *|   1.0.7 | ...\share\octave\packages 
> \statistics-1.0.7
>           strings *|   1.0.6 | ...\Octave\share\octave\packages 
> \strings-1.0.6
>            struct *|   1.0.6 | ...\Octave\share\octave\packages 
> \struct-1.0.6
>          symbolic *|   1.0.7 | ...\Octave\share\octave\packages 
> \symbolic-1.0.7
>              time *|   1.0.8 | ...\Octave\share\octave\packages 
> \time-1.0.8
>             video *|   1.0.1 | ...\Octave\share\octave\packages 
> \video-1.0.1
>           windows *|   1.0.6 | ...\Octave\share\octave\packages 
> \windows-1.0.6
>
> octave-3.0.3.exe:8> save vars
> error: octave_base_value::save_ascii(): wrong type argument `swig_ref'
>   (I have reloaded GNU Octave 4 times.  It always complains.  I  
> don't know if
>    it's something about my hardware.  Is this a symptom of a real  
> problem?)
>
> in cygwin:
>
> # Created by Octave 3.0.3, Sat Dec 27 19:10:15 2008 Pacific Standard  
> Time <unknown at unknown>
> # name: SQL_ENSURE
> # type: global scalar
> 1
> # name: SQL_FILE_USAGE
> # type: global scalar
> 84
> # name: SQL_C_UBIGINT
> # type: global scalar
> -27
> # name: SQL_API_ODBC3_ALL_FUNCTIONS
> # type: global scalar
> 999
> # name: ODBCVER
> # type: global scalar
> 849
> # name: SQLITE_MISUSE
> # type: global scalar
> 21
> # name: SQL_AT_DROP_COLUMN_DEFAULT
> # type: global scalar
> 512
> # name: SQL_SRVC_DEFAULT
> # type: global scalar
> 4
> # name: SQL_SET_NULL
> # type: global scalar
> 2
> # name: SQL_NC_END
> # type: global scalar
> 4
> # name: SQL_C_DEFAULT
> # type: global scalar
> 99
> # name: SQLITE_EMPTY
> # type: global scalar
> 16
> # name: SQL_PC_NOT_PSEUDO
> # type: global scalar
> 1
> # name: SQL_SQL92_ROW_VALUE_CONSTRUCTOR
> # type: global scalar
> 163
> # name: SQL_HANDLE_STMT
> # type: global scalar
> 3
> # name: SQL_AD_DROP_DOMAIN_CONSTRAINT
> # type: global scalar
> 4
> # name: SQL_DI_CREATE_INDEX
> # type: global scalar
> 1
> # name: SQL_DRIVER_HENV
> # type: global scalar
> 4
> # name: SQL_ATTR_AUTOCOMMIT
> # type: global scalar
> 102
> # name: SQL_SO_KEYSET_DRIVEN
> # type: global scalar
> 2
> # name: SQL_FN_CVT_CONVERT
> # type: global scalar
> 1
> # name: SQL_CDO_CONSTRAINT_NAME_DEFINITION
> # type: global scalar
> 16
> # name: SQLITE_BUSY
> # type: global scalar
> 5
> # name: SQL_API_SQLDESCRIBECOL
> # type: global scalar
> 8
> # name: SQL_FN_STR_SUBSTRING
> # type: global scalar
> 2048
> # name: SQL_OU_PRIVILEGE_DEFINITION
> # type: global scalar
> 16
> # name: SQL_API_SQLGETINFO
> # type: global scalar
> 45
> # name: SQL_DIAG_DYNAMIC_UPDATE_CURSOR
> # type: global scalar
> 81
> # name: SQL_ISV_REFERENTIAL_CONSTRAINTS
> # type: global scalar
> 4096
> # name: SQL_API_SQLTABLES
> # type: global scalar
> 54
> # name: SQL_BP_DROP
> # type: global scalar
> 4
> # name: SQL_ORDER_BY_COLUMNS_IN_SELECT
> # type: global scalar
> 90
> # name: __nargin__
> # type: scalar
> 0
> # name: SQL_PARAM_INPUT_OUTPUT
> # type: global scalar
> 2
> # name: SQL_DELETE
> # type: global scalar
> 3
> # name: SQL_SRJO_RIGHT_OUTER_JOIN
> # type: global scalar
> 256
> # name: SQL_FN_NUM_ATAN2
> # type: global scalar
> 16
> # name: SQL_SCROLL_OPTIONS
> # type: global scalar
> 44
> # name: SQL_API_SQLEXECUTE
> # type: global scalar
> 12
> # name: SQL_DIAG_DELETE_WHERE
> # type: global scalar
> 19
> # name: SQL_ROWSET_SIZE_DEFAULT
> # type: global scalar
> 1
> # name: SQL_SETPOS_MAX_LOCK_VALUE
> # type: global scalar
> 2
> # name: SQL_HANDLE_SENV
> # type: global scalar
> 5
> # name: SQL_AF_DISTINCT
> # type: global scalar
> 32
> # name: SQL_GETDATA_EXTENSIONS
> # type: global scalar
> 81
> # name: SQL_ACCESSIBLE_PROCEDURES
> # type: global scalar
> 20
> # name: SQL_DESC_PRECISION
> # type: global scalar
> 1005
> # name: SQL_API_SQLALLOCHANDLESTD
> # type: global scalar
> 73
> # name: SQL_OUTER_JOINS
> # type: global scalar
> 38
> # name: SQL_FETCH_FIRST
> # type: global scalar
> 2
> # name: sqlite3_index_info_aConstraintUsage
> # type: global swig_ref
>
> I wonder how many more variables there are.

ok, I'm at a loss as to what may be wrong.

I've cc'd the list again.

Hopefully someone will notice your post with the have an idea as to  
what might be wrong.

Ben