Re: [ublas] Bug in storage_sparse.hpp

From: Michael Stevens (mail_at_[hidden])
Date: 2005-11-01 04:06:54

On Wednesday, 26. October 2005 01:08, Jan Amtrup wrote:
> Hi,
> there is a bug in storage_sparse.hpp that affects insertion into empty
> sparse vectors and may lead to a memory violation.
> Here's a diff:
>
> [numeric/ublas] % diff storage_sparse.hpp.saved storage_sparse.hpp
> 381c381
> <             if (it->first == p.first)
> ---
>
> >             if (it != end () && it->first == p.first)

I committed the fix. I assume the past the end dereference  was harmless 
unless the data_ pointer was 0.

Thanks,
        Michael

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Michael Stevens Systems Engineering
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