From help-request at octave dot org Mon Nov 28 13:48:12 2005
Subject: Re: Problem building 2.9.4 on x86_64
From: Tim Davis <davis at cise dot ufl dot edu>
To: Orion Poplawski <orion at cora dot nwra dot com>
Cc: help at octave dot org
Date: Mon, 28 Nov 2005 13:31:45 -0600

You cannot typecast the long * down to int *.
You need to call cholmod_l_row_subtree instead, when compiling
with -m64.  The 4th argument of that function is long *, not int *.

Likewise for all other CHOLMOD routines.  You need cholmod_l_*
when compiling in 64-bit mode with 64-bit integers.

Orion Poplawski wrote:
> I get the following error:
> 
> g++ -c -I/usr/include/glpk -fPIC -I. -I.. -I../liboctave -I../src
> -I../libcruft/misc  -DHAVE_CONFIG_H  -Wall -W -Wshadow -O2 -g -pipe
> -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -m64 -mtune=nocona -D_GNU_SOURCE
> ./DLD-FUNCTIONS/spdet.cc -o pic/spdet.o
> ./DLD-FUNCTIONS/spchol.cc: In function 'octave_value_list
> Fsymbfact(const octave_value_list&, int)':
> ./DLD-FUNCTIONS/spchol.cc:612: error: cannot convert 'octave_idx_type*'
> to 'int*' for argument '4' to 'int cholmod_row_subtree(cholmod_sparse*,
> cholmod_sparse*, size_t, int*, cholmod_sparse*, cholmod_common*)'
> 
> This is because on x86_64 octave_idx_type is a 64-bit int.  I suppose
> this is really a ufsparse issue so I'm CCing Tim Davis.  Not sure I can
> safely cast to an int*.  Certainly limits the size of the arrays.
> 



-------------------------------------------------------------
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
-------------------------------------------------------------