Re: [ublas] unbounded array resize bug

From: Gunter Winkler (guwi17_at_[hidden])
Date: 2005-08-21 03:53:08

Am Sonntag, 21. August 2005 05:43 schrieb Vyacheslav E. Andrejev:
> Hello,
>
> There is a bug in unbounded_array::resize_internal. Pointer to new
> allocated memory is assigned to unbounded_array::data_ member only if
> previous size wasn't zero:
>
>                 if (size_) {
>                     const iterator i_end = end();
>                     for (iterator i = begin(); i != i_end; ++i) {
>                         iterator_destroy (i);
>                     }
>                     alloc_.deallocate (data_, size_);
>                     data_ = data;
>                 }
>
> Therefore if I'm going to resize vector with zero size (created by
> default constructor for example), data_ remains zero pointer.

I already provided a patch: See my posting 
'Re: [ublas] warning in unbounded_array::resize_internal(...), new 
patch'

mfg
Gunter