Re: [ublas] bug in sparse vector inner product?

From: choon (teochoonhui_at_[hidden])
Date: 2007-07-08 08:35:16

hi,

Gunter Winkler wrote:
> 
> Am Donnerstag, 5. Juli 2007 12:42 schrieb choon:
> 
>>   //cout << ublas::inner_prod(v1,v2) << endl;   // <-- failed to
>> compile 
> 
>> cout << ublas::inner_prod(v1,v3) << endl;   // <-- this 
>> works; feature or bug?
> 
> The cause of this behavior is that the vector implementation is 
> essentially a loop: for ( i=0; i < result.size(); ++i ) ...
> Thus the size is checked before computation. The sparse implementation 
> is based on forward iterators. Thus there is no size check. I can 
> simply add the check if necessary.
> 
> 

It will be nice to have an assertion check ;-)

Thanks,
Choon
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