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[Help-gsl] Can I use an error handler that throws exceptions?

From: Jordi Gutierrez Hermoso
Subject: [Help-gsl] Can I use an error handler that throws exceptions?
Date: Sun, 12 Nov 2006 22:09:34 -0600

I wrote my error handler that throws exceptions instead of printing
error messages and calling abort(). I attach the relevant code in case
anyone wants to analyse it.

At any rate, my error handler does indeed throw exceptions, but is
there something I am not understanding about C/C++ or the GSL? I ask
because e.g. in the following code:

#include <iostream>
#include "error.h"

int main(int argc, char** argv){
 using namespace std;


 gsl_vector* thing = gsl_vector_alloc(10);

   gsl_vector_ptr(thing, 100);
   cout << "Exceptions work!" << endl; //Never gets here.

the exception isn't caught, and I end up with something that is worse
than the default GSL error handler, namely, also terminates abruptly
and gives even less information than the default. :-(

Why aren't my exceptions unwound back up to the code that throws them?

Thanks again,
- Jordi G. H.

Attachment: error.cpp
Description: Text Data

Attachment: error.h
Description: Text Data

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