Error in `xcorr` (Signal package) "out of memory or dimension too large for Octave's index type"

[Fabcap77]

I need to calculate the autocorrelation coefficients for a vector of 744
elements, but `xcorr` fails returning this error message:

   error: out of memory or dimension too large for Octave's index type
   error: called from:
   error:   /home/$user/octave/signal-1.3.2/xcorr.m at line 203, column 7

The behaviour can be reproduced with:

   var = stdnormal_rnd(744);
   [r, lg] = xcorr(var, length(var)/2-1);

Can nybody help to fix this problem?



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