|
|
Ublas : |
Subject: [ublas] unsubscribe
From: R Kannan (ltbuckling+ublas_at_[hidden])
Date: 2012-05-19 17:58:43
On 4 May 2012 08:27, Hoerentrup Jobst <jobst.hoerentrup_at_[hidden]>wrote:
> Dear ublas experts,
>
> I am a newbie to ublas, but I have the impression there might be a bug in
> axpy_prod:
>
> operation.hpp, line 76:
>
> Instead of
>
> if (init)
> v.assign (zero_vector<value_type> (e1.size1 ()));
>
> I believe it should rather be
>
> if (init)
> v.assign (zero_vector<value_type> (e1.size2 ()));
>
>
> Reason: The length of the result vector should match the number
> of matrix columns, not rows.
>
> Line 76 is just one example, there are a few more places
> with the same potential bug.
>
> Ublas looks relatively mature to me, so am I missing something?
>
> Many thanks,
>
> Jobst
>
> ---
>
> Jobst Hörentrup
> Technicolor R&I Germany
>
> jobst.hoerentrup_at_[hidden]
>
> Deutsche Thomson OHG
> Karl-Wiechert-Allee 74
> 30625 Hannover, Germany
>
>
> Offene Handelsgesellschaft, Sitz Hannover,
> Registergericht Hannover HRA 24616
> Generalbevollmächtigte:
> David Christophe Chambeaud, Dr. Peter Jax,
> Horst Kuhn, Vincent Rimbeau
> Persönlich haftende Gesellschafterinnen:
> Société Francaise d' Investissement et d 'Arbitrage
> S.O.F.I.A. Issy-les-Moulineaux, Handelsregister R.C.S. Nanterre 785610932
> Technicolor International SAS, Issy-les-Moulineaux,
> Handelsregister R.C.S. Nanterre 439290735
>
>
> _______________________________________________
> ublas mailing list
> ublas_at_[hidden]
> http://lists.boost.org/mailman/listinfo.cgi/ublas
> Sent to: ltbuckling+ublas_at_[hidden]
>