Ah yes, I just copied wrong. But this wouldn&#39;t be the source of the problem, as the program terminates before it tries to accumulate y or z.<div><br></div><div>The program dies in attempting the command </div><div>acc(x);<br>

<div>--- <br>Rafael Calsaverini<br>Dep. de Física Geral, Sala 336<br>Instituto de Física - Universidade de São Paulo<br><br><a href="mailto:rafael.calsaverini@gmail.com">rafael.calsaverini@gmail.com</a><br><a href="http://stoa.usp.br/calsaverini/weblog">http://stoa.usp.br/calsaverini/weblog</a><br>

CEL: (11) 7525-6222<br>USP: (11) 3091-6803<br><br>
<br><br><div class="gmail_quote">On Wed, Dec 1, 2010 at 15:06, Tim Odenthal <span dir="ltr">&lt;<a href="mailto:Tim.Odenthal@biw.kuleuven.be">Tim.Odenthal@biw.kuleuven.be</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">

<br>
On Wednesday 01 December 2010 18:00:10 Rafael Calsaverini wrote:<br>
[...]<br>
<div class="im">&gt;  ublas::vector&lt;double&gt; x(3), y(3), z(3);<br>
&gt;<br>
&gt;   x[0] = 1;  x[1] = 1;  x[2] = 1;<br>
&gt;   x[0] = 1;  x[1] = 1;  x[2] = 2;<br>
&gt;   x[0] = 2;  x[1] = 1;  x[2] = 1;<br>
</div>[...]<br>
<br>
I really don&#39;t know about basic problems, but I hope you initialized y and z<br>
in your real code?<br>
<br>
Have a nice day<br>
Tim<br>
<div class="im">_______________________________________________<br>
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</div>Sent to: <a href="mailto:rafael.calsaverini@gmail.com">rafael.calsaverini@gmail.com</a><br>
</blockquote></div><br></div></div>