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Loading files from within c++ (feval)
From: |
Douglas Eck |
Subject: |
Loading files from within c++ (feval) |
Date: |
Thu, 14 Feb 2002 14:28:04 +0100 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.7) Gecko/20011221 |
I'm reluctant to file a bug report but I can't get feval to
work in 2.1.35 in a stand-alone C++ application. What I want
to do is load a .mat file. That .mat file contains
matrices and structs. Is this even possible?
I've tried many permutaitons of this feval call
using the mailing list archives as a guide. None seem
to work. Here's one failed attempt. :
#include <octave/oct.h>
#include <octave/ov-struct.h>
#include <octave/parse.h>
#include <octave/oct-map.h>
#include <math.h>
int main(int argc, char * argv[]) {
octave_value_list args;
args(0) = "tst.mat";
args(1) = "a";
feval("load", args, 0); // no arguments returned
cout << "done" << endl;
I took that from Paul K's posting of a while back. I compiled it using;
g++ -pg -g tstFile.o -o tstFile -L/usr/lib/octave-2.1.35
-L/usr/src/octave-2.1.35/kpathsea \
-lblas -loctave -loctinterp -ldl -lcruft -lg2c -ltermcap -lhdf5 -lreadline
-lkpathsea -lfftw
And I get a segfault. This happens when I run on our alpha or on my pentium box.
Both run Dirk's debian packages.
Here's the segfault message from GNU gdb 5.1
(gdb) run
Starting program: /home/doug/src/tstFile/tstFile
Program received signal SIGSEGV, Segmentation fault.
0x200009aee38 in symbol_table::hash () from
/usr/lib/octave-2.1.35/liboctinterp.so.2.1.35
Cheers,
Doug
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-------------------------------------------------------------
- Loading files from within c++ (feval),
Douglas Eck <=